Top 100 Mobile App Developers in Illinois
The Best of November 2026Looking for a top mobile app development company in Illinois?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Mobile App Development Companies
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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31Undisclosed10 - 49 employeesChicago, ILRead More
Based in Chicago, mobile marketing firm ComboApp offers branding solutions for mobile platform-oriented businesses. Their 20-person team has extensive knowledge of how best to market mobile experiences, in which they exclusively specialize. ComboApp's comprehensive approach includes traditional PR placement, creative development, digital media strategy, and UX/UI design for innovative mobile applications.
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IntelIndustries
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32$50,000+10 - 49 employeesChicago, ILRead More
Based in Chicago and founded in 2009, Vokal is a mobile and digital agency with nearly 50 employees. Their team specializes in web design and development, mobile app development, and digital strategy.
Clients
Whole FoodsIndustries
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33$25,000+10 - 49 employeesChicago, ILRead More
Ethervision is a Chicago-based mobile app boutique. A handful of their projects were App Store originals back in 2008, and they have developed 180+ apps since. The company has 4 employees, and they focus on mobile app development, UX/UI design, and wearable app development.
Clients
AONIndustries
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34$10,000+10 - 49 employeesOak Brook, ILRead More
KeyLimeTie is a full-service design, development, and digital strategy agency. Their team of 20+ is based in Chicago, IL. KeyLimeTie provides content management, e-commerce, and custom application solutions. They also run social media campaigns and offer reputation management. Their clients include companies of all sizes in the information technology and advertising industries.
Clients
AAA – Auto Club GroupIndustries
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35$5,000+10 - 49 employeesPalatine, ILRead More
Pepper Group is a marketing firm headquartered in Palatine, Ill. The 15-person team launched in 1994 and offers branding, direct marketing, PR and corporate communication, and marketing strategy. Their clients work in a variety of sectors, including IT, financial services, and manufacturing.
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B2B marketing is our specialty. From technology and consulting to manufacturingIndustries
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36$10,000+10 - 49 employeesEvanston, ILRead More
Based in Chicago, IL, Breakthrough Technologies is a software solutions agency founded in 1998. The team of approximately 40 has expertise in software development, web design, web development, software development, and mobile app development.
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Lockheed MartinIndustries
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37$1,000+10 - 49 employeesChicago, ILChicago Tech Solution is a branding agency. They are located in Chicago, Illinois; Chicago, Illinois; Chicago, Illinois and Lake Forest, Illinois and have a small team. The firm specializes in Branding, Web Development, Content Marketing, Digital Strategy, and more.Read More
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38$5,000+50 - 249 employeesSkokie, ILRead More
Hoff & Mazor is a midsize application development firm. They provide mobile app development, enterprise app modernization, wearable app development, and other application development and were established in 2015. The firm is headquartered in Casper, Wyoming.
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39$10,000+10 - 49 employeesChicago, ILRead More
CSW Solutions is a solutions services company based in Chicago. Founded in 2005, they have about 20 employees that focus on middle-market companies and enterprises in the financial services, retail, healthcare, telecommunications, and manufacturing industries. They specialize in web development, custom software development, mobile app development, and IT managed services.
Clients
British Petroleum (BP) Power Equipment Direct Mediacom Telecommunications Gifts For You NowIndustries
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40$25,000+250 - 999 employeesChicago, ILApp development company Build BetterApp | Chicago’s Top Mobile App Development Company was launched in 2020. The midsize Chicago, Illinois-based team provides Mobile App Development, Enterprise App Modernization, and Low/No Code Development.Read More
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41$5,000+250 - 999 employeesChicago, ILCodingCops is a midsize artificial intelligence development company. Established in 2010, the agency is based in Chicago, Illinois. Their team provides Artificial Intelligence, Custom Software Development, Mobile App Development, UX/UI Design, and more.Read More
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42$5,000+50 - 249 employeesChicago, ILRead More
ISKPRO Inc. Is a web development company founded in 1999. Their midsize team is in Chicago, Illinois and Lincolnshire, Illinois. Their services include Web Development, Custom Software Development, Generative AI, Mobile App Development, and more.
Industries
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43$5,000+2 - 9 employeesArlington Heights, ILSoftware development firm 26bitz is located in Arlington Heights, Illinois and Kraków, Poland. The agency offers Custom Software Development, Artificial Intelligence, and Mobile App Development and is small.The agency was established in 2024.Read More
Clients
Next Step FoundationIndustries
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44$25,000+50 - 249 employeesNorthbrook, ILMidsize Blockchain company Consider It Done Technologies, is headquartered in Northbrook, Illinois. They specialize in Blockchain, Mobile App Development, Web Development, IT strategy consulting, and more and were established in 2016.Read More
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45$25,000+50 - 249 employeesOak Brook, ILFounded in 1980, SWC Technology Partners is a custom software development firm. They are based in Oak Brook, Illinois; Chicago, Illinois and Indianapolis, Indiana and have a midsize team. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more.Read More
Clients
Batory Foods -
46$10,000+2 - 9 employeesNaperville, ILRead More
Greygoo is a digital agency based in Naperville, Ill, founded in 2012. Their small team of fewer than 10 provides UX/UI design, mobile app development, and web design services primarily for small businesses.
Clients
BartecIndustries
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47$50,000+10 - 49 employeesEvanston, ILRead More
Software development firm Red Squirrel Technologies is based in Evanston, Illinois. The small team specializes in custom software development, web development, blockchain, mobile app development, and more and was launched in 2018.
Industries
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48$25,000+50 - 249 employeesChicago, ILEstablished in 2011, VARTEQ is a web development firm. The firm provides Web Development, Mobile App Development, and IoT development and has a midsize team. The firm is in Chicago, Illinois.Read More
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49$1,000+250 - 999 employeesSchaumburg, ILRead More
Headquartered in Schaumburg, Illinois, ITExpertUS Inc is an IT strategy consulting company. The midsize company was launched in 2017. Their services include IT strategy consulting.
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50$10,000+2 - 9 employeesSchaumburg, ILRead More
Velan Solutions, LLC is a 4-person software development company founded in 2017. They are headquartered in Schaumburg, Ill. They offer numerous services, including mobile app development, IT strategy consulting, and custom software development. They primarily serve small businesses in various industries: IT, government, retail, education, and consumer services.
Clients
Marmon REPIndustries
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51$1,000+50 - 249 employeesChicago, ILLaunched in 2009, SITE IT NOW is a SEO company. Their midsize team is in Chicago, Illinois. Their services include Search Engine Optimization, Social Media Marketing, Web Design, Web Development, and more.Read More
Clients
Bullitt AutomotiveIndustries
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52$1,000+50 - 249 employeesElgin, ILFounded in 2023, American Digital Studios is a midsize branding company. Their team offers Branding, Social Media Marketing, Content Marketing, Email Marketing, and more. The company is located in Elgin, Illinois.Read More
Industries
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53$10,000+10 - 49 employeesDes Plaines, ILRead More
Peaksoft is a software solution and development service provider based in Des Plaines, Ill. with an office in Bishkek, Kyrgyzstan. The company, founded in 2015, has more than 50 employees and provides, among others, mobile app development, web development, and custom software development services to small and midmarket companies and institutions.
Clients
CybertekIndustries
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54$1,000+2 - 9 employeesMarshall, ILRead More
Net Diatom is a web and design agency founded in 2019 with a team of fewer than 10 experts. Based in Marshall, Ill., they specialize in web development, UX/UI design, and logo services for clients.
Clients
ShrinersIndustries
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55Undisclosed10 - 49 employeesChicago, ILRead More
Thinkship is a digital business consulting firm of 19 employees, founded in 2016. Their headquarters is in Chicago, and they have secondary locations in Edina, Minn. and Wuhan, China. They offer custom software development, web development and mobile app development. They serve small and midmarket businesses in the IT, consumer products, business and real estate industries.
Clients
SNAP! CourierIndustries
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56$5,000+50 - 249 employeesSchaumburg, ILAugmatiks is an app development company. Headquartered in Noida, India and Schaumburg, Illinois, the firm was established in 2012. Their services include Mobile App Development and Web Development.Read More
Industries
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57Undisclosed250 - 999 employeesBolingbrook, ILDelloweb International is a SEO company established in 2013. Their midsize team is located in Bolingbrook, Illinois and offers Search Engine Optimization, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
Industries
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58$25,000+10 - 49 employeesChicago, ILRead More
This Chicago-based agency focuses on mobile app and web development, UX/UI design, digital strategy, and branding. They have created 300+ apps and online products since their team of 10+ came together in 2009. They work with enterprise companies all the way down to startups, and focus on business services.
Clients
AllstateIndustries
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59$5,000+2 - 9 employeesNaperville, ILRead More
Plaidypus, Inc. is a software design and development agency based in Naperville, Ill. and founded in 2004. Their team of eight employees specializes in custom software development, UX/UI design, and application management. They mainly work with mid-market and small business clients in the non-profit, IT, and business services industries.
Clients
*TedX Naperville*Industries
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60$5,000+50 - 249 employeesSouth Barrington, ILCepoch, an AI Agents company, is headquartered in South Barrington, Illinois. They specialize in AI Agents, Cybersecurity, Custom Software Development, Mobile App Development, and more and were launched in 2009.Read More
Industries
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