Top 50 Mobile App Developers in St. Louis
The Best of December 2025Looking for a top mobile app development company in St. Louis?
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 St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Louis Mobile App Development Companies
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1$10,000+10 - 49 employeesWebster Groves, MOSketch Development is a software development company. Founded in 2015, the small company is in Webster Groves, Missouri and Pittsburgh, Pennsylvania. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, AI Consulting, and more.Read More
Clients
Reinsurance Group of America (RGA) bioMerieux CareSource CENTEGIXIndustries
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2$5,000+50 - 249 employeesSt. Louis, MOWeb design agency UPQODE was launched in 2015. They are based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington and have a midsize team. UPQODE focuses on Web Design, Web Development, UX/UI Design, Custom Software Development, and more.Read More
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Gracenote - Entertainment ProvidersIndustries
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3$5,000+2 - 9 employeesSt. Louis, MORead More
Digital Radium is a high-end software development company founded in 2020 in St. Louis, Missouri. With about 3 employees on board, they offer web development, mobile app development, and e-commerce development to small and medium-sized businesses across several industries, the main ones being business services, manufacturing, and financial.
Clients
STL PolyjackIndustries
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4$50,000+10 - 49 employeesSt. Louis, MORead More
Happen technologies is a custom software development company in Saint Charles, Missouri. The small company was launched in 2018. Their services include custom software development, IT staff augmentation, mobile app development, and ux/ui design.
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5$1,000+2 - 9 employeesSt. Louis, MORead More
PC40 Interactive is a St. Louis, Missouri-based e-commerce development company. The small team focuses on e-commerce development, web development, custom software development, mobile app development, and more and was established in 2006.
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6$5,000+250 - 999 employeesSt. Louis, MOGemini Consulting & Services is a mobile application development firm. They were established in 2010 and specialize in Mobile App Development and Web Development.Read More
Clients
Weil Cornell Medicine -
7$1,000+2 - 9 employeesSt. Louis, MORead More
Webenology, Inc is a custom software development firm based in St. Louis. Founded in 2013, their team of 8 serves clients in the transportation and nonprofit sectors. Services include web development and mobile app development.
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8$5,000+10 - 49 employeesSt. Louis, MOUnidev is a software development firm founded in 1990. The team offers Custom Software Development and Mobile App Development.Read More
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9$5,000+10 - 49 employeesSt. Louis, MOMechcubei Solutions is a St. Louis, Missouri-based mobile application development firm. Their services include Mobile App Development and UX/UI Design.Read More
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10$5,000+10 - 49 employeesSt. Louis, MOEmpire App Labs is an user experience design agency located in St. Louis, Missouri. Launched in 2018, the team provides UX/UI Design and Mobile App Development.Read More
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11Undisclosed10 - 49 employeesSt. Louis, MOHive Network is a Product Design company. Launched in 2014, the team provides Product Design and Mobile App Development.Read More
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12$5,000+10 - 49 employeesCollinsville, ILSwip Systems, a custom software development company, offers Custom Software Development and Web Development. The agency is located in Collinsville, Illinois.Read More
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13$5,000+50 - 249 employeesSt. Louis, MOApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
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14$25,000+10 - 49 employeesSt. Louis, MORead More
Tuva Interactive is a full-service internet development company from St. Louis. The company was founded in 1996 and currently has a team of 10 employees. Tuva Interactive provides custom software development, web development, and IT strategy consulting.
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FORO Sports ClubIndustries
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15$5,000+10 - 49 employeesSt. Louis, MOBlue Stingray is a St. Louis, Missouri-based cloud consulting & SI company. They focus on cloud consulting & SI and E-Commerce Development and were founded in 2009.Read More
Clients
Battery Handling Systems -
16$5,000+50 - 249 employeesSt. Louis, MOFounded in 1981, Oakwood Systems Group, Inc. Is a cloud consulting & SI company. The firm focuses on cloud consulting & SI and BI & big data consulting & SI.Read More
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17Undisclosed10 - 49 employeesSt. Louis, MOIntegrity Web Consulting is a custom software development company. The St. Louis, Missouri-based company was founded in 2000. Their team provides Custom Software Development and Web Development.Read More
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Cornerstone Insurance Group -
18$5,000+2 - 9 employeesSt. Louis, MOVIVIDSITES is a web design agency. The St. Louis, Missouri-based agency was launched in 1999. The small team offers Web Design, Web Development, E-Commerce Development, UX/UI Design, and more.Read More
Clients
ReebokIndustries
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19$5,000+10 - 49 employeesSt. Louis, MOParadigm New Media Group, a branding agency, is in St. Louis, Missouri. They offer Branding and Digital Strategy.Read More
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20$5,000+2 - 9 employeesSt. Louis, MOSoftware development company DEKAMCO was founded in 2019. The firm offers Custom Software Development and Mobile App Development, and is small.Read More
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21Undisclosed250 - 999 employeesSt. Louis, MORead More
Frontline Managed Services is an IT strategy consulting company. The midsize team is in St. Louis, Missouri. Their services include IT strategy consulting, cybersecurity, IT managed services, custom software development, and more.
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22$25,000+2 - 9 employeesSt. Louis, MOUX design company Culture & Spirit provides UX/UI Design and Web Development. They were founded in 2017.Read More
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23Undisclosed2 - 9 employeesSt. Louis, MOIn St. Louis, Missouri, Reikam Labs is a small web design agency. The team offers Web Design and UX/UI Design.Read More
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24Undisclosed10 - 49 employeesSwansea, ILDino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.Read More
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25Undisclosed10 - 49 employeesSt. Louis, MOLaunched in 2006, Web Design St. Louis is an user experience agency. The small team focuses on UX/UI Design and Graphic Design.Read More
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26Undisclosed2 - 9 employeesSt. Louis, MOLelander is an user experience agency. The St. Louis, Missouri-based company was launched in 2010. Their services include UX/UI Design and Custom Software Development.Read More
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27UndisclosedFreelancer employeesSt. Louis, MOHeadquartered in St. Louis, Missouri, Street Genius is a small Advertising company. The team provides Advertising and Branding.Read More
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28$5,000+50 - 249 employeesSt. Louis, MOBrighton Agency is a St. Louis, Missouri-based branding company. They specialize in Branding and Content Marketing.Read More
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29$10,000+50 - 249 employeesSt. Louis, MO2e Creative is a branding company. They are headquartered in St. Louis, Missouri and and have midsize team. They specialize in Branding and Search Engine Optimization.Read More
Clients
Johnson & Johnson Vision -
30$5,000+2 - 9 employeesFenton, MOFounded in 2015, Richter Solutions is an IT managed services company. Their team specializes in IT managed services and IT strategy consulting.Read More
Industries
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