Rankings Updated : January, 2026

Top Mobile App Development Companies In St. Louis

Rankings Updated : January, 2026

How do we feature companies?

Mobile app development doesn't have to drain your budget or create communication headaches. Most businesses want reliable app developers who deliver quality work at reasonable prices, maintain clear communication, and understand their industry needs.

List of Mobile App Development Companies in St. Louis

9 Companies

Xtapps

Best App for Your Best Ideas
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About

Xtapps is a mobile app development company that partners with businesses of all sizes to build digital products. Focusing on sectors such as Information Technology, the firm delivers custom app development services tailored to business goals. Leveraging their technical expertise in iOS and Android app development, they deliver customized solutions that enhance digital presence and improve ROI. [View Xtapps profile ]

Service Line
75% Mobile App Development 25% Web Development
  • 75% Mobile App Development
Industries
100% Information Technology
  • 100% Information Technology
10-50
Employee Size
$5,000+
Min. Project Size
$50 - $99 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
Saint Louis County, Missouri, United States
Company Location

tecziq

First Choice for Mobile Application and Software Development
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About

Catering primarily to businesses of all sizes within the ECommerce, Consumer Products & Services, Retail sectors, tecziq operates as a full-service mobile app development agency. Their team focuses on creating scalable digital products, with specific expertise in iOS and Android app development, helping clients navigate the mobile landscape. [View tecziq profile ]

Service Line
40% Mobile App Development 40% Web Development 20% Custom Software Development
  • 40% Mobile App Development
Industries
35% ECommerce 25% Consumer Products & Services 15% Retail 15% Education 10% Hospitality & Leisure
  • 35% ECommerce
10-50
Employee Size
$5,000+
Min. Project Size
$25 - $49 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
Saint Louis County, Missouri, United States
Company Location

Variance InfoTech Pvt Ltd

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About

Variance InfoTech Pvt Ltd is recognized for delivering end-to-end app development services, tailored for businesses of all sizes. Specializing in iOS and Android app development, this mobile app development company works extensively in industries like Consumer Products & Services, Health Care, Wellness & Medical, Information Technology, building solutions designed to meet specific market demands. [View Variance InfoTech Pvt Ltd profile ]

Service Line
20% Mobile App Development 40% Wearable App Development 10% Digital Marketing 10% UX/UI Design 10% Blockchain 5% E-Commerce Development 5% Custom Software Development
  • 20% Mobile App Development
Industries
35% Consumer Products & Services 15% Health Care, Wellness & Medical 10% Information Technology 10% Real Estate 5% Education 5% Government 5% Hospitality & Leisure 5% Legal 5% Logistics & Supply Chain 5% Retail
  • 35% Consumer Products & Services
51-100
Employee Size
$10,000+
Min. Project Size
$25 - $49 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
OFallon, Missouri, United States
Company Location

Gemini Consulting & Services

Valued and Innovative Partner for Digital Services
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About

With a strong footprint in Government, Consumer Products & Services, Real Estate, Gemini Consulting & Services positions itself as a versatile mobile app development company. They assist businesses of all sizes by engineering robust iOS and Android app development solutions that align with business goals. [View Gemini Consulting & Services profile ]

Service Line
15% Mobile App Development 15% Custom Software Development 15% Web Development 15% Application Management & Support 10% Enterprise App Modernization 10% Web Design 5% IT Strategy Consulting 5% E-Commerce Development 5% UX/UI Design 5% IT Managed Services
  • 15% Mobile App Development
Industries
15% Government 10% Consumer Products & Services 10% Real Estate 10% Non-Profit 10% Oil & Gas 5% ECommerce 5% Information Technology 5% Energy & Natural Resources 5% Mining & Metals 5% Retail 5% Education 5% Food & Beverage 5% Utilities 5% Manufacturing
  • 15% Government
401-500
Employee Size
$5,000+
Min. Project Size
$50 - $99 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
Chesterfield, Missouri, United States
Company Location

Blue Stingray

We Build Enterprise Software Solutions.
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About

Blue Stingray provides bespoke app development services for businesses of all sizes. The company offers high-performance iOS and Android app development. Their portfolio spans various verticals, with a notable focus on businesses in the Manufacturing, Financial Services, Logistics & Supply Chain. [View Blue Stingray profile ]

Service Line
20% Mobile App Development 30% Web Development 15% Cloud Consulting & SI 10% ERP Consulting And SI 10% CRM Consulting And SI 10% E-Commerce Development 5% Custom Software Development
  • 20% Mobile App Development
Industries
35% Manufacturing 20% Financial Services 15% Logistics & Supply Chain 15% Transportation 10% Utilities 5% Health Care, Wellness & Medical
  • 35% Manufacturing
10-50
Employee Size
$5,000+
Min. Project Size
$100 - $149 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
City of Saint Louis, Missouri, United States
Company Location

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Digital Radium

We’ll help you glow digital
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About

Digital Radium delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the ECommerce, Gaming, Travel & Tourism industries. [View Digital Radium profile ]

Service Line
20% Mobile App Development 45% Web Development 25% Custom Software Development 10% E-Commerce Development
  • 20% Mobile App Development
Industries
40% ECommerce 10% Gaming 10% Travel & Tourism 10% Retail 10% Health Care, Wellness & Medical 10% Entertainment 10% Food & Beverage
  • 40% ECommerce
2-9
Employee Size
$25,000+
Min. Project Size
$25 - $49 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
Saint Louis County, Missouri, United States
Company Location

SteadyRain

Internet Strategy, Design & Development
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About

Serving businesses of all sizes across diverse Education, Hospitality & Leisure, Financial Services, the app developers at SteadyRain deliver expertise in the form of innovative products. They empower clients to achieve digital transformation by offering high-quality iOS and Android app development solutions. [View SteadyRain profile ]

Service Line
10% Mobile App Development 45% Web Development 15% Custom Software Development 10% Search Engine Optimization 10% Digital Strategy 10% Pay Per Click
  • 10% Mobile App Development
Industries
40% Education 20% Hospitality & Leisure 20% Financial Services 20% Manufacturing
  • 40% Education
10-50
Employee Size
$5,000+
Min. Project Size
$100 - $149 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
City of Saint Louis, Missouri, United States
Company Location

PC40 Interactive

Growing Businesses Through Digital Strategy
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About

As a dedicated mobile app development agency, PC40 Interactive maintains a sharp focus on iOS and Android app development for businesses of all sizes. Their expertise is concentrated on providing tailored solutions to organizations within the ECommerce, Advertising & Marketing segments. [View PC40 Interactive profile ]

Service Line
10% Mobile App Development 20% E-Commerce Development 20% Web Development 20% Custom Software Development 10% Digital Marketing 10% Search Engine Optimization 10% Social Media Marketing
  • 10% Mobile App Development
Industries
90% ECommerce 10% Advertising & Marketing
  • 90% ECommerce
2-9
Employee Size
$1,000+
Min. Project Size
$100 - $149 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
City of Saint Louis, Missouri, United States
Company Location

VIVIDSITES

Transforming the Way You Reach Customers
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About

VIVIDSITES provides comprehensive app development services to businesses of all sizes, helping them secure market presence. This mobile app development company specializes in robust iOS and Android app development for clients across Health Care, Wellness & Medical, ECommerce, Consumer Products & Services. [View VIVIDSITES profile ]

Service Line
10% Mobile App Development 20% Web Development 20% Web Design 15% E-Commerce Development 10% UX/UI Design 5% Branding 5% Digital Strategy 5% Search Engine Optimization 5% Pay Per Click 5% Artificial Intelligence
  • 10% Mobile App Development
Industries
15% Health Care, Wellness & Medical 15% ECommerce 15% Consumer Products & Services 10% Education 10% Manufacturing 10% Real Estate 10% Retail 10% Financial Services 5% Food & Beverage
  • 15% Health Care, Wellness & Medical
2-9
Employee Size
$5,000+
Min. Project Size
$150 - $199 / hr
Rate Per Hour
0 Portfolios
Company Portfolios
City of Saint Louis, Missouri, United States
Company Location

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Buying Guide

Services Offered by Top Mobile App Development Companies in St. Louis

These firms don't just do coding; they are far beyond that. They offer a comprehensive suite of services that align with the business's unique requirements.

  • Custom Mobile App Development: What sets St. Louis mobile app development companies apart? They have deep expertise in both iOS and Android ecosystems. Not just copy-paste templates either. They deliver native performance that delivers a flawless user experience. Moreover, developers are well-versed in cross-platform frameworks, giving them the ability to build apps once and deploy on multiple platforms.
  • UI/UX Design: While many apps focus solely on visual appeal, truly successful apps prioritize user experience and functionality above all else. St. Louis designers understand this critical distinction and excel at creating interfaces that are both beautiful and highly functional. They prioritize essential elements like tap targets, swipe patterns, and intuitive navigation while staying updated with the latest trends and mobile app design tips.
  • Backend Development & API Integration: Choosing the right mobile app backend is the backbone that powers your app's entire front-end. The top mobile app development companies in St. Louis help you make that choice wisely. Beyond that, they can build backends for your apps that scale when your business goes viral or witnesses a massive surge in sales on days like Black Friday. Payment gateways, social logins, third-party integrations – together, they make the user experience smoother.
  • Quality Assurance & Testing: Your app will definitely crash when you skip proper testing. A true developer will always conduct rigorous mobile app testing using app testing tools, but know when human eyes matter more.
  • App Maintenance & Support: The best mobile application development companies in St. Louis stick around for the long haul. Updates, bug fixes, feature additions – the partnership doesn't end at launch.

Industries Served by Mobile App Development Company in St. Louis

Cost of Hiring a Mobile App Development Company in St. Louis

Frequently Asked Questions

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What factors should I consider when choosing a mobile app development company in St. Louis?

You must look for an experienced development team with a strong portfolio, strong technical expertise, maintains clear communication, and provides post-launch support. Don’t forget to look at the client reviews and industry recognition.

How long does it take to develop a mobile application?

Well, the development time varies depending on various factors, like project complexity, app type, what type of interface they want, and so on. However, on average, a simple app development may take between 2 and 4 months, and a complex app takes more than 6 months.

What are the benefits of hiring app developers in St. Louis?

The local company that you hire will have a clear understanding of regional market needs, be feasible to connect with quickly, and most importantly, there will not be any loopholes between you and the team. Additionally, St. Louis-based developers typically offer more competitive rates compared to developers in major coastal cities like San Francisco or New York, allowing you to maximize your development budget without compromising on quality.

How much does it cost to build an app in St. Louis?

Cost is another factor that completely depends on the app complexity, type, and more. But, on average, the mobile app development cost starts from $23,948 and can go up to $200K. It completely depends on your requirements. For instance, what kind of mobile app do you really want for your business, what types of features it will have, the design strategy, etc?

Will the company help me with app marketing and launching strategies?

There are companies that provide post-app launch maintenance and support services, and also help you strategize your app on a higher level, but it comes with a cost. However, it will definitely be worth the investment.

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