The iOS app development companies in California focus on crafting innovative mobile applications that cater to both consumer and enterprise needs. These firms range from startups to established companies, providing a variety of services such as custom app development, user interface design, and ongoing support. The industry is rapidly evolving, driven by trends in artificial intelligence, augmented reality, and user experience enhancements. As the demand for mobile solutions thrives, these companies are pioneering technology that fosters engagement and efficiency. With California as a tech hub, these firms often attract global talent, enabling them to stay competitive on the world stage.

This list features a mix of iOS app development firms headquartered in California, ranging from small teams of under 10 to larger organizations with hundreds of employees. Founded between 2001 and 2022, these companies specialize in various domains, from finance to healthcare. Many have a significant portion of their teams operating internationally, suggesting an emphasis on diverse skill sets and cost efficiencies. Companies such as Bitcot and Thunkable highlight how the industry adapts to both enterprise-level needs and creative innovations for independent developers.

Continue reading to explore the top iOS app development companies in California.

Top 25 iOS App Development Companies in California

1. MoveoApps

• Website: moveoapps.com
• Ownership type: Private
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: moveoapps

MoveoApps, based in San Diego, California, is a mobile app and web development company founded in 2014. With a team of 22 employees, the company specializes in creating tailored applications for various platforms, including iOS and Android. MoveoApps focuses on enhancing the digital presence of businesses through high-performance apps. They utilize an agile development approach, which allows them to respond effectively to client requirements and market changes. The company offers a wide array of services, including iPhone app development, Android app development, web application development, and hybrid app development. Their commitment to quality and client satisfaction is evident in their process, which emphasizes collaboration and iterative feedback. Although they have not reported any funding, their operational model and service offerings indicate a strong presence in the app development industry.

2. Software Developers Inc (SDI)

• Website: softwaredevelopersinc.com
• Ownership type: Private
• Headquarters: Saratoga, California, United States (USA)
• Employee distribution: India 52%, United States (USA) 32%, Dominican Republic 4%, Other 13%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: software-developers-inc

Software Developers Inc (SDI) is a software development firm based in Saratoga, California, founded in 2009. The company focuses on mobile app development, web development, and AI solutions, catering to businesses that require custom software to improve their operations and user engagement. With a workforce of approximately 200 professionals, including programmers and designers, SDI has built a reputation for delivering tailored solutions to meet client needs. They have successfully developed and launched over 2000 apps across major app stores, showcasing their capability in mobile app development. SDI's team is well-versed in various platforms and frameworks, ensuring they can meet the demands of modern app development. Their client base includes over 4000 businesses, reflecting their extensive experience in the industry. SDI operates with a global workforce, with a significant portion of their team located in India, which allows them to leverage a broad talent pool while maintaining a presence in the competitive Silicon Valley market.

3. TechAhead

• Website: techaheadcorp.com
• Ownership type: Private
• Headquarters: Agoura Hills, California, United States (USA)
• Employee distribution: India 98%, United States (USA) 2%
• Founded year: 2009
• Headcount: 201-500
• LinkedIn: techahead

TechAhead, founded in 2009 and based in Agoura Hills, California, is a digital solutions provider that specializes in mobile app development, web app development, artificial intelligence, and Internet of Things (IoT) solutions. With a workforce of approximately 289 employees, the company primarily serves clients in sectors such as healthcare and finance, offering customized software solutions and consulting services aimed at enhancing operational efficiency and user engagement. TechAhead has developed a reputation for its innovative approach, particularly in mobile app development, where it leverages the latest technologies to create user-friendly applications. The firm has also been recognized with various awards for its contributions to app development, underscoring its commitment to quality and client satisfaction. Despite having a significant portion of its workforce based in India, TechAhead maintains a strong presence in the U.S. market, catering to a global clientele.

4. Trango Tech

• Website: trangotech.com
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: Pakistan 49%, United States (USA) 47%, United Arab Emirates 4%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: trangotech

Trango Tech, founded in 2017 and based in San Jose, California, is a technology services firm that specializes in mobile app development, e-commerce solutions, and IT staff augmentation. With a workforce of 51-200 employees, the company serves a variety of industries, including retail, healthcare, and e-commerce. Trango Tech is particularly focused on mobile app development, offering services for iOS, Android, and cross-platform applications. Their portfolio includes game app development, AR and VR solutions, and MVP startup development, showcasing their capability to cater to different client needs. The company also emphasizes post-launch support and maintenance, which is essential for ensuring the longevity and performance of their applications. With a significant portion of their workforce located in Pakistan and the USA, Trango Tech demonstrates a global approach to technology services, enhancing their ability to deliver tailored solutions to clients across various markets.

5. Cmolds

• Website: cmolds.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: Pakistan 73%, United Arab Emirates 15%, United Kingdom (UK) 7%, Other 5%
• Founded year: 2009
• Headcount: 501-1000
• LinkedIn: cmoldscreate

Cmolds, founded in 2009 and based in San Francisco, California, is a mobile app development company that specializes in creating custom applications for both iOS and Android platforms. With a workforce of around 500 to 1000 employees, the company has established itself as a player in the mobile app development industry. Cmolds provides a wide array of services, including mobile app development, product strategy, design consultancy, and quality assurance. They cater to various sectors such as healthcare, e-commerce, education, and entertainment, showcasing their ability to adapt to different business needs. Their approach emphasizes a thorough understanding of client requirements, ensuring that each app is tailored to enhance the client's digital presence. The company has not reported any funding, indicating a self-sustained growth model. Their portfolio features numerous case studies that highlight their successful projects, further solidifying their position in the app development market.

6. Uptech

• Website: uptech.team
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: Ukraine 85%, Senegal 3%, United States (USA) 3%, Other 9%
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: uptech-team

Uptech is a software development company based in Los Angeles, California, founded in 2016. With a team of approximately 136 employees, the company specializes in mobile and web app development, offering services that include UX/UI design, IT staff augmentation, and various mobile development frameworks such as React Native and Flutter. Uptech has worked with clients in sectors like E-commerce, Fintech, and Healthcare, focusing on creating user-friendly applications that meet specific business needs. Their commitment to transparency and collaboration has earned them a reputation for delivering high-quality products. Uptech has successfully developed applications that have achieved significant user engagement and recognition, such as the Dollar Shave Club app, which won a Webby Award. The company operates with a global workforce, with a significant portion of its team based in Ukraine, reflecting a strategic approach to talent acquisition and project execution.

7. Thunkable

• Website: thunkable.com
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 76%, Canada 24%
• Latest funding: Series B, $30.0M, February 2022
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: thunkable

Thunkable is a software company based in San Francisco, California, founded in 2015. It specializes in a no-code app development platform that empowers users to create mobile applications without any programming knowledge. The platform is designed for a wide range of users, including startups, educators, and IT professionals, who are looking to quickly develop and publish apps across various platforms. Thunkable's services are particularly valuable in the current market, where the demand for mobile applications continues to grow. The company has successfully raised $30 million in Series B funding as of February 2022, which underscores its relevance and potential in the app development industry. With a focus on user-friendly design and functionality, Thunkable enables creators to build custom mobile apps that can be published directly to the Apple App Store and Google Play Store, making it a significant player in the app development sector.

8. Sunvera | AI | Mobile

• Website: sunverasoftware.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: India 71%, United States (USA) 29%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: sunvera-software

Sunvera | AI | Mobile, based in Irvine, California, is a private software development firm founded in 2013. With a team of approximately 24 employees, the company specializes in mobile app development and custom software solutions. They cater primarily to mid-size businesses and startups, providing tailored applications and cloud services across various sectors, including healthcare, automotive, and education. Sunvera emphasizes security and user-friendly design, aiming to enhance operational efficiency for their clients. Their portfolio includes projects that leverage emerging technologies, such as AI and machine learning, showcasing their commitment to innovation in mobile solutions. The company has not reported any funding, indicating a self-sustained operational model.

9. HashStudioz Technologies

• Website: hashstudioz.com
• Ownership type: Private
• Headquarters: Altadena, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2018
• Headcount: 201-500
• LinkedIn: hashstudioz-technologies-pvt-ltd

HashStudioz Technologies, founded in 2018 and based in Altadena, California, is a private technology services firm that specializes in software development, mobile app development, and IoT solutions. With a workforce of approximately 233 employees, the company operates primarily out of India, where it has multiple offices. HashStudioz focuses on providing innovative digital transformation services aimed at enhancing operational efficiency for businesses across various sectors. Their service offerings prominently feature mobile app development, including dedicated iOS application development, which positions them well within the mobile technology industry. The company also explores emerging technologies such as IoT, machine learning, and blockchain, further showcasing their commitment to staying relevant in a rapidly evolving market. Their portfolio includes a variety of applications tailored to different industries, reflecting their adaptability and technical proficiency.

10. Yeti LLC

• Website: yeti.co
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: yeti-llc

Yeti LLC, founded in 2010 and based in San Francisco, California, is an IoT software development company that specializes in crafting innovative software solutions for connected devices. With a team of 11 to 50 employees, Yeti has built a reputation for delivering mobile app development, web development, and UX design services aimed at enhancing user engagement and operational efficiency. The company has collaborated with various businesses and organizations across multiple sectors, including healthcare, e-commerce, and education. Their work often involves creating applications that integrate seamlessly with physical products, reflecting their commitment to bridging the gap between the digital and physical worlds. Yeti's portfolio showcases a range of projects, from interactive kiosks to mobile applications that serve educational purposes, highlighting their adaptability and expertise in the field.

11. Litslink

• Website: litslink.com
• Ownership type: Private
• Headquarters: Palo Alto, California, United States (USA)
• Employee distribution: Ukraine 87%, United States (USA) 8%, Poland 2%, Other 3%
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: litslink

Litslink is a software development company based in Palo Alto, California, founded in 2014. With a workforce of around 195 employees, the company has established itself as a reliable partner for businesses and startups seeking custom software solutions. Litslink specializes in mobile app development, web development, and artificial intelligence services, catering to a global clientele. The company has successfully completed over 300 projects, demonstrating its capability in delivering high-quality applications. Their portfolio includes various sectors such as healthcare, fintech, e-commerce, and education, showcasing their adaptability to different industry needs. Litslink's commitment to innovation and quality has earned them positive feedback from clients, further solidifying their position in the software development industry.

12. AppMakers USA

• Website: appmakersla.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 1-10
• LinkedIn: app-makers-la

AppMakers USA, based in Los Angeles, California, is a private app development company founded in 2014. The firm specializes in mobile app and web development services, catering to a range of clients from startups to established enterprises. Their offerings include custom software solutions, with a particular emphasis on mobile app development for both iOS and Android platforms. AppMakers USA also provides web development and artificial intelligence services, ensuring that their applications are not only functional but also scalable. The company prides itself on its collaborative approach, often engaging in one-on-one meetings with clients to ensure alignment throughout the development process. With a portfolio that includes various successful applications, AppMakers USA has demonstrated its ability to deliver high-quality products that meet client needs. Their focus on privacy and cybersecurity further enhances their appeal in the competitive app development market.

13. Velos Mobile

• Website: velosmobile.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: velosmobile

Velos Mobile is a mobile development agency located in San Francisco, California, established in 2011. The company specializes in creating high-quality mobile applications for both iOS and Android platforms. With a team of 21 professionals, Velos Mobile prides itself on its expertise in mobile software development, design, and consulting services. They focus on delivering a smooth user experience and maintaining high coding standards. Their services include native iOS development using Swift and Objective-C, as well as Android development with Kotlin and Java. Velos Mobile also emphasizes the importance of usability research, user experience design, and agile project management. The company has built a reputation for its collaborative approach, working closely with clients to bring their ideas to life. They have not reported any funding, indicating a self-sustained business model.

14. SolveIt

• Website: solveit.dev
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: Poland 76%, Belarus 13%, United States (USA) 9%, Other 2%
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: solveitteam

SolveIt is a San Francisco-based software development company founded in 2016. With a team of approximately 86 employees, the company specializes in mobile and web app development, consulting, and design services. They primarily serve startups and small to medium enterprises, assisting them in validating their ideas, developing minimum viable products (MVPs), and creating user-friendly applications. SolveIt prides itself on delivering high-quality solutions on time and within budget. Their portfolio includes various projects across industries such as e-commerce, healthcare, and social networking. The company operates with a strong emphasis on client satisfaction, as evidenced by positive testimonials from their clients. They have not reported any funding, indicating a self-sustained growth model.

15. EffectiveSoft

• Website: effectivesoft.com
• Ownership type: Private Equity
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: Belarus 52%, Poland 35%, United States (USA) 10%, Other 2%
• Latest funding: September 2021
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: effectivesoft

EffectiveSoft Corporation, founded in 2003 and headquartered in San Diego, California, is a software development firm that specializes in a wide array of IT services. The company focuses on mobile app development, web development, and data analytics, catering to various industries, including healthcare and fintech. With a workforce of approximately 325 employees, EffectiveSoft has successfully completed over 1,800 projects, demonstrating their extensive experience in the software development sector. They have a strong emphasis on creating tailored software solutions that enhance operational efficiency and meet specific market demands. EffectiveSoft has also established partnerships with major technology companies like Microsoft and Amazon Web Services, which underscores their credibility in the industry. Their commitment to quality is reflected in their ISO/IEC 27001:2013 certification, ensuring high standards of information security in their operations.

16. Omniwyse

• Website: omniwyse.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: omniwyse

Omniwyse is a software development company based in San Francisco, California, founded in 2015. With a workforce of approximately 73 employees, the company focuses on creating impactful digital experiences through design-led software engineering and consulting. Omniwyse serves software startups and mid-sized companies, offering a range of services that include mobile app development, data engineering, and cloud solutions. Their expertise in mobile app development is evident in their portfolio, which features projects for clients like Genfare and Aiqudo, where they successfully delivered mobile solutions that enhanced user engagement and operational efficiency. The company operates primarily with a team based in India, allowing them to leverage a global talent pool while maintaining a presence in the U.S. market. Omniwyse's commitment to innovation and collaboration positions them as a relevant player in the software development industry, particularly in the mobile app sector.

17. Clavax

• Website: clavax.com
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: India 93%, United States (USA) 5%, Other 1%
• Founded year: 2011
• Headcount: 201-500
• LinkedIn: clavax

Clavax is a software development and IT consulting firm based in San Jose, California, founded in 2011. With a workforce of approximately 182 employees, the company specializes in custom software solutions, mobile app development, and digital transformation services. Clavax serves multiple industries, including healthcare and finance, helping businesses improve their operations and customer interactions through innovative technology. Their service offerings include iOS app development, which is a core component of their mobility services. Clavax has built a reputation for delivering tailored solutions that meet the unique needs of their clients, and they have a significant presence in the mobile app development sector, particularly for iOS applications. The company operates with a substantial portion of its workforce based in India, allowing for a blend of local and global expertise in their projects.

18. Orangesoft

• Website: orangesoft.co
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: Poland 67%, United States (USA) 10%, Belarus 8%, Other 15%
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: orangesoft

Orangesoft is a mobile app development company based in San Francisco, California, founded in 2011. With a workforce of approximately 78 employees, the company specializes in creating custom applications tailored to the needs of startups and businesses. Their service offerings include product discovery, mobile app development, UI/UX design, and quality assurance. Orangesoft has carved a niche in industries such as healthcare, fintech, and IoT, providing solutions that are secure, user-friendly, and compliant with industry standards. The company has successfully developed over 300 products, demonstrating their expertise and commitment to delivering high-quality digital solutions. Their approach involves a full-cycle development process, ensuring that they support clients from the initial idea through to product launch and beyond, focusing on user needs and market demands.

19. Mobile Programming

• Website: mobileprogramming.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: India 94%, United States (USA) 5%
• Founded year: 2001
• Headcount: 1001-5000
• LinkedIn: mobileprogramming_llc

Mobile Programming LLC, founded in 2001 and based in Los Angeles, California, is a digital transformation company that specializes in providing innovative technology solutions to enhance operational efficiency across various sectors, including healthcare, banking, and retail. With a workforce of approximately 1,839 employees, the company has established a significant presence in the industry. They offer a range of services, including custom app development, IT consulting, and digital transformation strategies. Their expertise extends to areas such as artificial intelligence, machine learning, and blockchain development, indicating a strong capability in modern technology applications. Mobile Programming has a notable employee distribution, with a majority of its workforce based in India, which may influence their operational dynamics and service delivery.

20. BOSC Tech Labs Private Limited

• Website: bosctechlabs.com
• Ownership type: Private
• Headquarters: Burbank, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: bosc-services

BOSC Tech Labs Private Limited, founded in 2018 and based in Burbank, California, is a software development company that specializes in custom software solutions and mobile applications. With a workforce of around 70 employees, the company focuses on enhancing digital presence and operational efficiency for businesses across various sectors. Their service offerings include mobile application development, with a specific emphasis on iOS applications, as well as UI/UX design and custom software development. The company has successfully completed over 110 projects, showcasing their commitment to delivering tailored solutions that meet client needs. Their approach combines innovative technology with agile methodologies, aiming to maximize return on investment for their clients. Although they have not reported any funding, their operational history and client testimonials suggest a strong foothold in the industry.

21. Bitcot

• Website: bitcot.com
• Ownership type: Private
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: India 95%, United States (USA) 4%
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: bitcot

Bitcot is a San Diego-based software development company founded in 2014. With a workforce of approximately 245 employees, the company specializes in web and mobile app development, offering a wide range of services that include custom software solutions, enterprise software development, and digital transformation. Bitcot serves various industries, such as healthcare, eCommerce, and FinTech, demonstrating their adaptability to different market needs. They have developed a reputation for delivering tailored solutions that enhance operational efficiency and user engagement. The company has successfully completed over 3,000 projects, showcasing their experience and commitment to quality in software development. Their mobile app development services include iOS app development, which is a core part of their business model, further solidifying their relevance in this sector.

22. Exalture Software Labs Inc

• Website: exalture.com
• Ownership type: Private
• Headquarters: Palo Alto, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: exalture-software-labs-private-limited

Exalture Software Labs Inc, founded in 2013 and based in Palo Alto, California, is a private software development company that specializes in mobile app development, web development, and game development. With a workforce of approximately 27 employees, the company primarily serves startups and small to medium enterprises, providing tailored solutions aimed at enhancing business operations. Exalture has developed a range of applications for both iOS and Android platforms, showcasing their capability in mobile app development. Their focus on client satisfaction is evident in their approach to transforming innovative ideas into functional applications. The company operates with a strong presence in India, which supports its development efforts and allows for cost-effective service delivery. Exalture has successfully collaborated with over 100 clients, including notable brands, which reflects their growing reputation in the industry.

23. Vaayoo.Inc

• Website: vaayoo.com
• Ownership type: Private
• Headquarters: Fremont, California, United States (USA)
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: vaayoo-inc

Vaayoo.Inc, founded in 2009 and based in Fremont, California, is a mobile app development company that specializes in turning innovative ideas into successful mobile applications. With a team of 24 employees, they offer end-to-end services that include concept development, design, launch, marketing, and ongoing maintenance. The company has successfully launched over 50 apps, showcasing their capability and experience in the mobile app industry. They serve a range of clients, from entrepreneurs to established businesses, helping them enhance their digital presence through mobile technology. Vaayoo's approach emphasizes collaboration, allowing clients to hire developers, testers, designers, and marketers as needed to form a virtual project team. This flexibility positions them well in the competitive landscape of mobile app development.

24. Hello Iconic

• Website: helloiconic.com
• Ownership type: Private
• Headquarters: Pasadena, California, United States (USA)
• Employee distribution: Honduras 78%, United States (USA) 22%
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: helloiconic

Hello Iconic, founded in 2011 and based in Pasadena, California, is a software development company that specializes in mobile and web app development. With a team of around 32 employees, they focus on creating innovative digital solutions that enhance user experiences. Their services include prototyping, ongoing product development, and UX/UI design, catering to a wide range of clients from startups to Fortune 500 companies. The company has established a strong presence in sectors such as technology and finance, demonstrating their ability to deliver high-performing applications. Hello Iconic has been recognized for its rapid growth, ranking No. 3379 on the 2023 Inc. 5000 list, which highlights their commitment to excellence in software development. They have a significant portion of their workforce based in Honduras, allowing them to provide cost-effective solutions while maintaining quality. Their portfolio includes notable clients like Disney and Cyvatar, showcasing their capability to handle projects for well-known brands.

25. V-Soft

• Website: v-softinc.com
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: United States (USA) 57%, India 43%
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: v-soft

V-Soft, Inc. is a software development firm based in San Jose, California, founded in 1995. The company has carved out a niche in mobile application development, testing, and UX/UI design services. With a workforce of around 72 employees, V-Soft has been active in the mobile app industry for over seven years, catering to a global clientele. Their portfolio includes a range of services such as mobile application porting, mobile gaming development, and enterprise solutions. V-Soft's approach is tailored to meet the specific needs of businesses looking to enhance their digital presence through effective mobile solutions. The company operates with a significant presence in both the United States and India, reflecting a strategic distribution of talent and resources. They have not reported any funding, indicating a self-sustained operational model.

iOS App Development Insights: Key Companies in California

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