Illinois hosts a vibrant ecosystem of iOS app development companies, driving innovation in mobile technology. These firms vary in size and specialization, from startups to established entities, and are known for developing tailored solutions for various sectors. The industry has seen remarkable growth, particularly with a shift toward custom app solutions that meet specific client needs. As businesses increasingly recognize the value of mobile applications in enhancing customer engagement and operational efficiency, the demand for skilled developers in Illinois continues to rise. The future holds promise amidst the evolving technological landscape, with opportunities stemming from advancements in AI and mobile infrastructure.

The listings feature a spectrum of established iOS app development companies mainly headquartered in Chicago, with varying sizes from compact teams of 11-50 to larger firms boasting 201-500 employees. Founded between 2001 and 2022, these companies focus on diverse services, including custom app development, digital transformation, and consulting. Many have garnered attention for their innovative approaches to technology, cementing their relevance in the ever-evolving app development space. Their extensive industry experience enhances their capabilities to address a wide range of client requirements.

Continue reading to discover the top iOS app development companies in Illinois.

Top 23 IOS App Development Companies in Illinois

1. Red Foundry

• Website: redfoundry.com
• Ownership type: Venture Capital
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $1.1M, November 2010
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: red-foundry

Red Foundry is a mobile app development company based in Chicago, Illinois, specializing in creating custom applications tailored to the needs of businesses. Since its inception in 2009, Red Foundry has focused on helping clients mobilize their operations effectively through a range of services, including app development, maintenance, and consulting. The company has worked with various clients, from startups to established corporations, delivering solutions that enhance user experience and operational efficiency. Red Foundry has also been recognized as a top app developer in Chicago by Clutch, highlighting their ability to deliver quality projects on time and within budget. Their commitment to maintaining high standards is further demonstrated through their AppCare Maintenance program, which ensures that applications remain functional and up-to-date in a rapidly changing technological environment. The company has received funding, with a notable Series A round in 2010, which has likely supported their growth and development initiatives.

2. Codiant - A YASH Technologies Company

• Website: codiant.com
• Ownership type: Corporate
• Headquarters: East Moline, Illinois, United States (USA)
• Employee distribution: India 99%
• Latest funding: October 2017
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: codiant-a-yash-technologies-company

Codiant - A YASH Technologies Company, founded in 2010 and based in East Moline, Illinois, is a technology firm that specializes in software development and IT consulting. With a workforce of approximately 270 employees, the company focuses on providing a wide array of services, including mobile app development, web development, and digital transformation solutions. Codiant serves clients across various sectors, demonstrating its ability to adapt and cater to specific business needs. The company has a strong emphasis on mobile app development, particularly for iOS, and has successfully completed numerous projects that showcase their technical skills and innovative approach. Their client testimonials reflect a commitment to quality and customer satisfaction, further solidifying their position in the industry.

3. Eight Bit Studios

• Website: eightbitstudios.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: eight-bit-studios

Eight Bit Studios, based in Chicago, Illinois, is a consulting firm that specializes in custom software development and app services. Founded in 2008, the company has built a reputation for crafting tailored solutions that cater to various industries, including banking and healthcare. Their expertise lies in enhancing user experiences and operational efficiency through mobile and web applications. With a team of 11-50 employees, Eight Bit Studios focuses on delivering bespoke applications that meet unique business objectives. They offer a range of services, including custom app development, packaged consulting, and managed services, ensuring that they can address the specific needs of their clients. Their portfolio reflects a commitment to quality and innovation, making them a notable player in the app development industry.

4. Calibrate Software

• Website: calibrated.io
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 88%, Vietnam 12%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: calibrateconsulting

Calibrate Software, based in Chicago, Illinois, is a private software development and design agency founded in 2017. With a team of 16 employees, the company specializes in crafting custom mobile applications, websites, and enterprise solutions. They cater to various industries, including healthcare and e-commerce, focusing on enhancing user engagement and operational efficiency. Calibrate Software employs modern development frameworks and methodologies, ensuring that their products meet contemporary standards. Their portfolio includes notable projects such as mobile payment solutions for hospitality and interactive applications for well-known brands. The company has not reported any funding, indicating a self-sustained growth model. Their approach combines strategic planning with a strong emphasis on user experience, making them a relevant player in the mobile app development industry.

5. Solid Software

• Website: solid.software
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: Ukraine 74%, United States (USA) 26%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: solidsoftware

Solid Software, founded in 2018 and based in Chicago, Illinois, is a private software development firm with a team of 19 employees. The company specializes in Flutter app development, creating mobile and web applications tailored to the needs of various clients, including startups and established companies in sectors like healthcare and robotics. Solid Software has completed over 40 projects and is recognized as an Official Flutter Consultant, highlighting their expertise and commitment to high-quality software solutions. Their services include mobile app development for iOS and Android, backend development, software testing, and UI/UX design. The company is also involved in the Mobile Native Foundation and has participated in the Flutter for Web Early Adopter Program, showcasing their active role in the Flutter community and their dedication to staying at the forefront of technology.

6. Armia Systems, Inc

• Website: armia.com
• Ownership type: Private
• Headquarters: Deerfield, Illinois, United States (USA)
• Employee distribution: India 97%, United States (USA) 2%
• Founded year: 2001
• Headcount: 201-500
• LinkedIn: armia-systems-inc

Armia Systems, Inc., founded in 2001 and based in Deerfield, Illinois, is a technology company that specializes in software and application development. With a workforce of approximately 290 employees, the company provides a wide array of services, including mobile and web app development, e-commerce solutions, and startup consulting. Armia Systems has built a reputation for assisting both startups and established businesses in enhancing their technological capabilities and improving operational efficiency. Their expertise in mobile app development, particularly for iOS, positions them as a relevant player in the industry. The company has developed various mobile solutions, showcasing their ability to create applications that meet the needs of modern businesses. Their client base includes a mix of startups and established enterprises, indicating their adaptability and commitment to delivering tailored solutions. While they do not report any recent funding, their long-standing presence in the market and focus on innovation suggest a stable operational model.

7. Intersog

• Website: intersog.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: Ukraine 57%, United States (USA) 18%, Mexico 13%, Other 13%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: intersog

Intersog is a technology consulting and software development firm based in Chicago, Illinois, founded in 2005. The company specializes in custom software development, artificial intelligence, and IT solutions, catering primarily to enterprises and medium-sized businesses. Intersog's service offerings include mobile app development, with a specific focus on iOS and Android platforms. They have a significant presence in the mobile app development space, providing tailored solutions that help clients modernize their technology and innovate effectively. The company operates with a global workforce, with a notable percentage of employees based in Ukraine, and has established delivery centers in various locations, including the United States, Mexico, and Canada. Intersog has partnered with over 250 organizations across multiple industries, showcasing their capability to handle complex projects and deliver quality results.

8. Wezom

• Website: wezom.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: Ukraine 80%, United States (USA) 10%, Canada 5%, Other 5%
• Founded year: 1999
• Headcount: 201-500
• LinkedIn: wezom

Wezom is a Chicago-based software development company founded in 1999. With a workforce of approximately 221 employees, the company specializes in creating custom software solutions across various industries, including healthcare, eCommerce, and logistics. Wezom offers a comprehensive range of services, including UX/UI design, web and mobile app development, and data science. Their focus on mobile app development is particularly noteworthy, as they provide services for both iOS and Android platforms, along with cross-platform solutions. The company has successfully completed over 3,500 projects, showcasing their extensive experience and expertise in the field. Wezom primarily serves medium-sized businesses, helping them enhance operational efficiency and drive growth through tailored technology solutions. Their commitment to quality and client satisfaction is reflected in their long-term collaborations with clients, many of whom have worked with Wezom for over three years.

9. LaunchPad Lab

• Website: launchpadlab.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 97%, Colombia 3%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: launchpad-lab

LaunchPad Lab, founded in 2012 and based in Chicago, Illinois, is a technology consulting firm that specializes in digital product development. With a team of approximately 58 employees, the company focuses on creating tailored technology solutions for businesses. Their services include web and mobile app development, UX/UI design, and Salesforce development. LaunchPad Lab has worked with over 235 clients globally, delivering more than 690 projects. They pride themselves on their collaborative approach, working closely with clients to understand their unique challenges and opportunities. The firm has a strong emphasis on user-centered design and agile development processes, which allows them to adapt to the specific needs of each project. Their expertise in mobile app development is underscored by their use of modern technologies, enabling them to bring applications to market efficiently. LaunchPad Lab has established itself as a reliable partner for businesses seeking to enhance their digital capabilities and operational efficiency.

10. Q-DevEngine

• Website: q-devengine.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: India 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: q-devengine

Q-DevEngine, founded in 2017 and based in Chicago, Illinois, is a private software development company that specializes in creating custom technology solutions tailored to the needs of small to mid-size businesses. With a team of 17 employees, they leverage a unique model that combines local project management with offshore development expertise, primarily from India. This structure allows them to address the common challenges associated with offshore development, such as communication barriers and quality control. Q-DevEngine focuses on delivering high-quality software applications across various sectors, including healthcare, education, and e-commerce. Their services range from mobile application development to cloud services and business process applications. The company emphasizes a quality-driven approach, ensuring that they do not compromise on standards while providing cost-effective solutions. Their portfolio includes innovative applications that enhance productivity and streamline operations for their clients.

11. Intersol Tech

• Website: intersoltech.com
• Ownership type: Private
• Headquarters: Burbank, Illinois, United States (USA)
• Founded year: 2019
• Headcount: 51-200
• LinkedIn: intersol-tech

Intersol Tech LLC, based in Burbank, Illinois, is a private company founded in 2019. It operates in the digital marketing and app development sector, focusing on creating mobile applications tailored to the specific needs of businesses. The company prides itself on its customer-centric approach, emphasizing the importance of client feedback throughout the development process. Intersol Tech offers a variety of services, including iOS app development, Android app development, and augmented reality applications. With a team of experienced professionals, they have completed over 1,200 projects and served clients across multiple countries. Their commitment to innovation and quality is evident in their portfolio, which includes applications for various industries. Intersol Tech aims to help businesses grow their online presence and adapt to the evolving digital landscape.

12. Wappnet Systems Pvt. Ltd.

• Website: wappnet.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: India 95%, United States (USA) 3%, Canada 3%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: wappnet-systems

Wappnet Systems Pvt. Ltd., based in Chicago, Illinois, is a private software development and IT consulting firm founded in 2018. The company specializes in providing tailored software solutions, with a strong focus on mobile app development, including iOS applications. Wappnet serves a variety of clients, helping them enhance their online presence and operational efficiency through innovative technology. With a workforce primarily located in India, the company has successfully delivered over 300 projects, showcasing its capability in the tech industry. Wappnet also offers a range of services beyond app development, including e-commerce solutions, digital marketing, and emerging technologies like AI and blockchain. Their commitment to customer satisfaction is reflected in their high client retention rate and positive testimonials from various businesses.

13. Avion Technology Inc.

• Website: aviontechnology.net
• Ownership type: Private
• Headquarters: Arlington Heights, Illinois, United States (USA)
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: avion-technology-inc.

Avion Technology Inc. is a technology and software development company based in Arlington Heights, Illinois, founded in 2007. With a team of approximately 113 employees, the company specializes in app development, digital marketing, and digital transformation services. Avion Technology focuses on empowering small businesses and digital agencies by providing tailored technology solutions that enhance their online presence and operational efficiency. The firm has successfully completed over 1,000 projects, showcasing its capability in delivering effective digital solutions. Their portfolio includes a variety of projects across different sectors, indicating their adaptability and commitment to client satisfaction. Avion Technology is also recognized for its expertise in mobile app development, particularly for iOS and Android platforms, which positions them well within the competitive app development market.

14. Draftbit

• Website: draftbit.com
• Ownership type: Venture Capital
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Seed, $3.2M, November 2019
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: draftbit

Draftbit, founded in 2017 and based in Chicago, Illinois, is a software development company that specializes in providing a platform for users to visually build native mobile applications and responsive web apps. The company caters to both businesses and individual developers, aiming to simplify and accelerate the app development process. Draftbit's platform includes features that allow users to design, build, test, and publish applications all in one place. They also offer expert support and access to source code, which empowers users to maintain control over their projects. With a team of 19 employees, Draftbit has attracted venture capital funding, securing $3.2 million in its last funding round in November 2019. This financial backing reflects the growing interest in low-code and no-code development tools, which are becoming increasingly important in the tech industry.

15. HyperSense Software

• Website: hypersense-software.com
• Ownership type: Private
• Headquarters: Schaumburg, Illinois, United States (USA)
• Employee distribution: Romania 100%
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: hypersense-software

HyperSense Software, founded in 2003 and based in Schaumburg, Illinois, is a private software development and IT consulting firm. With a team of around 60 professionals, the company specializes in custom software solutions, AI integration, and digital transformation services. They cater to various industries, including healthcare, finance, automotive, and beauty, providing tailored tech solutions to enhance operational efficiency. Their portfolio includes notable projects such as the Tinka mobile app for fintech and the Nimble Beauty app, which integrates IoT technology for at-home nail care. HyperSense Software is ISO 9001:2015 and ISO/CEI 27001:2018 certified, reflecting their commitment to quality management and data security. The company has successfully delivered over 200 projects, demonstrating their capability and experience in the software development industry.

16. Plego

• Website: plego.com
• Ownership type: Family Owned
• Headquarters: Downers Grove, Illinois, United States (USA)
• Employee distribution: United States (USA) 58%, Pakistan 42%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: plego-technologies

Plego Technologies, based in Downers Grove, Illinois, is a family-owned software development agency founded in 2002. With a team of approximately 38 employees, Plego specializes in custom technology solutions that cater to a variety of industries. Their service offerings include web design, application development, mobile apps, cloud computing, and advanced technologies such as machine learning and artificial intelligence. Over the past two decades, Plego has successfully delivered more than 5,000 projects, demonstrating their commitment to quality and client satisfaction. They have worked with a wide range of clients, from small businesses to large corporations, and have received numerous awards for their innovative solutions. Plego's focus on mobile app development, particularly for iOS, positions them as a relevant player in the app development industry.

17. Capermint Technologies Private Limited

• Website: capermint.com
• Ownership type: Private
• Headquarters: Elgin, Illinois, United States (USA)
• Founded year: 2014
• Headcount: 51-200
• LinkedIn: capermint-technologies-pvt-ltd

Capermint Technologies Private Limited, based in Elgin, Illinois, is an app and game development company that has been operational since 2014. With a workforce of around 74 employees, the company specializes in creating mobile applications and engaging games for both businesses and consumers. Their expertise includes developing on-demand solutions, such as food delivery apps, and gamification services across various sectors including healthcare, education, and finance. Capermint is also involved in advanced technologies like AI and machine learning, which they integrate into their app development processes. Their commitment to quality is reflected in their ISO 9001:2015 certification, indicating a structured approach to delivering exceptional products. The company has not reported any funding, which suggests they are self-sustained in their operations.

18. Inspire Infosol Pvt Ltd. India

• Website: inspireinfosol.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: India 100%
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: inspire-infosol-pvt-ltd

Inspire Infosol Pvt Ltd. India, founded in 2008, is a technology services company based in Chicago, Illinois, with a strong operational presence in India. The company specializes in software development, mobile applications, and digital transformation solutions. They cater to a variety of sectors, including aviation, healthcare, retail, and manufacturing, helping businesses enhance operational efficiency and leverage data-driven insights. Inspire Infosol focuses on providing consulting and technical support to unlock new revenue streams for their clients. Their mobile app development services are designed to create innovative, secure, and scalable applications, reflecting their commitment to meeting the evolving needs of businesses in a digital-first world. With a team of 88 employees, they have executed over 150 projects, maintaining a high customer retention rate of 98%.

19. eComStreet

• Website: ecomstreet.com
• Ownership type: Private
• Headquarters: Schaumburg, Illinois, United States (USA)
• Employee distribution: India 79%, United States (USA) 21%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: ecomstreet

eComStreet is a software development company based in Schaumburg, Illinois, established in 2011. With a workforce of around 33 employees, the company specializes in providing custom technology solutions tailored to the needs of businesses. Their service offerings include software development, web development, mobile app development, UI/UX design, and digital marketing. eComStreet has worked with clients across various sectors, such as eCommerce, healthcare, and finance, helping them enhance operational efficiency and user engagement through innovative technology. The company prides itself on its client-centric approach, aiming to build trust and satisfaction through customized solutions. With a significant portion of its development team located in India, eComStreet combines local and international expertise to deliver quality services. They have successfully completed over 1000 projects, showcasing their experience and capability in the software development industry.

20. Inclusive Technology

• Website: inclusivetec.com
• Ownership type: Private
• Headquarters: Rosemont, Illinois, United States (USA)
• Employee distribution: Kyrgyzstan 60%, United States (USA) 40%
• Founded year: 2022
• Headcount: 11-50
• LinkedIn: inclusivetechnology

Inclusive Technology, based in Rosemont, Illinois, is a private IT consulting and software development firm founded in 2022. With a team of around 20 employees, the company specializes in providing innovative technology solutions tailored to the needs of businesses across various sectors. Their service offerings include business automation, mobile app development, data analysis, and technology strategy consulting. Notably, they emphasize mobile app development for both iOS and Android platforms, showcasing their capability to create applications that enhance operational efficiency and user engagement. Their clientele primarily consists of businesses looking to leverage technology for growth. Despite being a new entrant in the industry, Inclusive Technology aims to deliver high-quality solutions that meet the evolving demands of their clients.

21. CodingCops

• Website: codingcops.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: Pakistan 89%, United States (USA) 11%
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: fliclicks-software-solutions

CodingCops is a Chicago-based software development company founded in 2010. With a workforce of 201-500 employees, the firm specializes in a broad spectrum of services, including custom software development, web development, and mobile app development. They cater to various industries, providing tailored solutions that enhance operational efficiency. CodingCops has a significant presence in mobile app development, particularly for iOS, where they utilize technologies like Swift and React Native. Their approach emphasizes user-centric design and agile methodologies, ensuring that they meet the evolving needs of their clients. The company also offers IT staff augmentation and has a notable offshore team, primarily based in Pakistan, which allows them to deliver cost-effective solutions. Their portfolio includes successful collaborations with clients across different sectors, showcasing their ability to address complex challenges and deliver impactful results.

22. Vizual Technologies, Inc.

• Website: vizualtech.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: Ukraine 70%, United States (USA) 30%
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: vizualtech

Vizual Technologies, Inc., based in Chicago, Illinois, is a private software development company founded in 2000. With a team of approximately 23 employees, the company specializes in web and mobile app development, catering primarily to businesses and organizations looking to enhance their digital presence. Their service offerings include custom software solutions, project management, and RESTful API development. The company has a significant presence in mobile app development, particularly for iOS, utilizing technologies such as Swift and Ionic. Their client base spans various industries, including eCommerce, healthcare, and technology, showcasing their adaptability and expertise in addressing different market needs. Despite not having reported any funding, Vizual Technologies has maintained a steady operation, leveraging a mix of local and international talent, with a notable portion of their workforce based in Ukraine.

23. ExpertsCloud

• Website: theexpertscloud.com
• Ownership type: Private
• Headquarters: Springfield, Illinois, United States (USA)
• Employee distribution: Pakistan 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: expertscloud-pvt-limited

ExpertsCloud, founded in 2017 and based in Springfield, Illinois, is a private IT consulting and software development firm. With a workforce of 36 employees, the company specializes in high-quality web and mobile application development, including iOS and Android platforms. They also provide AI solutions and cloud services, catering to businesses looking for reliable technology solutions. ExpertsCloud prides itself on a strong customer-centric approach, aiming to deliver results that enhance operational efficiency for their clients. The company has a notable background, with over 15 years of experience in the industry, which they leverage to support startups and established enterprises alike. Their portfolio includes various successful projects, showcasing their capability in mobile app development and other technology services.

IOS App Development Insights: Key Companies in Illinois

Want to Find More IOS App Development Companies?

With Inven you'll also get to know the company's:

• Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
• Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
• Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!