Connect with vetted app development companies that build custom solutions designed to drive retention, engagement, and revenue. Filter agencies by budget, team size, and location to find the right partner for your project.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Technology partners in the development and implementation of automated solutions on mobile and web platforms leading to digital transformation and sustainable growth...
Top Services:
Software Development Review from Tashfeen Khan
We had to get an online social gambling application to be developed and after looking into the market we shortlisted Tecziq Solutions. The best part was there prior knowledge of our industry domain which was very helpful. They have a nice team and very co-operative and flexible. We found them to be very professional and top notch in terms of communication as well - quite prompt. We loved working with them and they are with us our technical partners.
STL Website Development specializes in minimalistic website development, maintenance, logo design, and copywriting services, ensuring a professional touch in every project. The agency's approach prioritizes collaboration and creativity. As such, STL Website Development brings the client's vision to life while...
Top Services:
FMK Agency is a fractional marketing team that acts as an extension to your brand. We’re committed to providing expertise in all phases of the lifecycle of digital solutions so we can better serve our clients and their brands. By taking on projects and challenges in all industries, we’re determined to...
Top Services:
Ryan Westerman's Review Sourced from Google
I cannot say enough great things about FMK! I have been working with them for the last 6 months on large project with many moving parts and FMK has delivered above and beyond every time. If you are looking for a digital marketing agency that is consistently bringing their A game than look no further thank FMK.
We are a full service web design and digital marketing agency. We create digital products and solutions to help our clients drive leads online and achieve online success. In an industry where many use smoke and mirrors to make it seem like they're doing more than they are, we rely on solid metrics to track...
Top Services:
Katie Hahn's Review Sourced from Google
We have been working with Beanstalk for around a year now and they have been wonderful partners. They have a very quick response time, and personable team members that care. It's great working with a team that you trust with your company website.
Amanda Kinder's Review Sourced from Google
Beanstalk has been the perfect partner to help us bring our big ideas to life. Ryan, Zach, and Ethan are absolute wizards when it comes to turning our creative concepts into functional, beautifully executed websites. Their technical expertise is unmatched, and their ability to collaborate seamlessly with our team makes every project smooth and successful.
Cassandra Cooke's Review Sourced from Google
Beanstalk Web Solutions has been an incredible partner in bringing the MoCATE.org website to life! Their team is not only highly skilled but also deeply committed to understanding the unique needs of their clients. From the very beginning, they demonstrated exceptional professionalism, creativity, and attention to detail, ensuring every aspect of the site was tailored to our mission and audience.The design is modern and user-friendly, perfectly showcasing the resources and information we want to share with our community. They were responsive to feedback, quick to make adjustments, and provided innovative solutions to challenges along the way. The result is a website that looks fantastic, functions seamlessly, and effectively communicates our organization's purpose.It's rare to find a team that combines technical expertise with such a strong customer focus. Beanstalk Web Solutions exceeded our expectations at every turn, and we couldn't be happier with the final product. If you're looking for a web development company that truly delivers, look no further. Thank you, Beanstalk, for your outstanding work!
CUBYCODE is a team of tech professionals providing exceptional services since 2014. Specializing in web and app development, quality assurance and testing, we are committed to delivering data-driven results to mid-sized organizations, startups and established corporate companies...
Top Services:
In order to support your pitch, we create prototypes, proof-of-concepts, and miniature applications while you create business plans and seek funding...
Top Services:
Label One Productions's Review Sourced from Google
Met with Nithil about starting a mobile app. He was incredible, he knows this business inside and out, very professional and competitive pricing! 5 out of 5 stars!
carmen nocera's Review Sourced from Google
We had a great experience working with XTAPPS on digital projects. The team was professional, attentive, punctual, and very helpful, making the process smooth and enjoyable. Highly recommended for app development, web solutions, and digital projects.Carmen NoceraVice President & Europe DirectorThe Prayer Covenant
Emil Moore's Review Sourced from Google
XTAPPS is an amazing company and highly recommend them for all your web design services. They are also very quick to respond to any questions or concerns.
Since 2001, GreenTie.com has been the trusted Internet Support Partner of the midwest’s top corporate, non-profit and health organizations. Our agency’s ongoing success stems from the ability to inspire user engagement and quickly evolve the client’s website to their most effective marketing arm. We are...
Top Services:
Brent Taylor's Review Sourced from Google
The team at GreenTie.com has been great to work with! Our website was live in a few weeks and we are seeing impressive online results. The ongoing communication and fast turnarounds on website edits has been impressive as well. If you're looking for someone to do website design, I highly recommend the team at GreenTie.com!
Rickey Smith's Review Sourced from Google
The team at GreenTie.com has been very helpful to our business. They have amazing ideas to keep our views up and driver traffic towards us. The turn-around time on their work is very efficient.
Jy Maze's Review Sourced from Google
I highly recommend GreenTie.com for website design. Our website was live in a few weeks and we quickly saw results. They made the process very simple.
i7MEDIA is a web services agency specializing in custom designs for small and medium businesses...
Top Services:
John Gately's Review Sourced from Google
Great company to work with, and they will have a solution for all of your needs.
Orrin Spence's Review Sourced from Google
I have worked with I7media for four years now and have been very pleased with their professionalism. When issues come up they are prompt with their response and actions. Working with them felt like they are part of the team.
Ribbitz LLC provides the right team to make your project related to software development, mobile app development, web application development, e-commerce solutions, Software quality assurance, and Digital Marketing...
Top Services:
website design studio focused on Wordpress, Drupal and ADA compliance...
Top Services:
Erik Laing's Review Sourced from Google
Working with Martina and her team far exceeded my expectations - a friend had connected me with Martina and after discussing their capabilities I took the leap and had our brokerage website redesigned.The process was smooth, Martina took the time to understand the needs of our business and goals for the website. Then I was tasked with finding inspiration of other pages and elements I liked. Revisions and edits were all handled smoothly and efficiently allowing the project to stay on or ahead of schedule.Martina helped manage the transition of going live and even assisted in helping me to keep my cool while we made the transition to live. I will happily recommend Martina Elena Web Design to anyone I know looking to have web design work done!
VIVIDSITES is a long-standing, full-service digital marketing agency dedicated to innovation and providing exceptional service. With our ability to build custom or third-party software solutions at an affordable price point, we ensure organizations get the most out of their investment...
Top Services:
Claire T's Review Sourced from Google
Who knew there was a world-class marketing agency right here in St. Louis, MO? Dave and team at VIVIDSITES really listen to your needs as a small business and were willing to work with us on our start-up budget. Highly recommend!
Matt's Review Sourced from Google
I couldn't be happier with the services provided by VIVIDSITES. Their commitment to helping businesses thrive through innovative digital solutions and outstanding customer service is truly remarkable. Throughout multiple "must succeed" projects, Dave Black and Team demonstrated a thorough understanding of our needs and goals, delivering thought leadership and digital environments that exceeded expectations and drove results. Their dedication to client satisfaction and talented team of designers, programmers, and marketing experts make them a standout agency in the industry.
WashU ICTS's Review Sourced from Google
Our organization hired Vivid Sites to develop our website and custom CMS several years ago. Since then, their service has been professional, accommodating and highly-responsive. It has truly been a pleasure to work with Dave Black and the entire Vivid Sites team.
Altec Design has been delivering robust internet solutions to leading companies in St. Louis Mo since 2004. Unlike large companies that offer generic solutions, we believe in crafting customized products and services tailored to meet your unique requirements...
Top Services:
Dr. Mary Young's Review Sourced from Google
Both my husband and I were using a different hosting site for each of our websites. He moved his first to Altec and found it to be a satisfying experience and suggested I do the same. Given that I'm not very tech savy, Brian handled the whole transition seamlessly making it pretty painless for me. Since the transfer, I have had a couple of minor issues which were self inflicted, and Brian was very responsive and quick to resolve them for me. If you want a reliable and hassle free service I would highly recommend you work with Altec.
Scott's Review Sourced from Google
Exceptional service, Exceptional knowledge and Exceptional dedication. You will see no less when it comes to the professionalism from the team at Altec design. If you are looking for inside knowledge on how your web traffic is performing as well as receiving honest answers with a breakdown of what all the reporting is actually saying then look no further than Brian and Sam at Altec Design St. Louis. We have used them with the Lou Fusz Automotive Network for years and have experienced no less than A+ service. Once you talk with them you understand right away why Altec Design will be the solution to all your companies web related needs.
Linda Zachariah's Review Sourced from Google
Altec Design made us feel well taken care of all along the process of building our website. From keeping us on track with their project management, to handling all of the coding and technical aspects of hosting, reporting, adding the widgets we needed to fulfill all of our needs, and their expert advise. It was just comfortable knowing they had our backs! We are so glad to have worked with such a professional team and we are very proud of the website we created together.
An AI Transformation Agency serving the Kansas City metro area. We work with owners who built a good service company and now spend their week holding it together. The AI Transformation Partner who sticks around and keeps going until the business no longer leans on you and then no longer on us...
Top Services:
Paradigm is a full-service marketing agency helping brands grow with confidence through branding, digital marketing, and web design. For 30 years, we've crafted powerful stories, built authentic connections, and delivered results that move brands forward...
Top Services:
Diane Mueller's Review Sourced from Google
Paradigm has been great to work with on our website project. With all the customization our site needed, Paradigm always had a solution for us. Would not hesitate at all to give Paradigm any projects!
Bob Jenkins's Review Sourced from Google
We chose PNMG to develop our website in 2018 and have been with them ever since! They are very conscientious of their work and the quality of the employees are top notch, not to mention the great support they add. We have monthly meetings to keep everything current and are very pleased we chose them to partner with!
Kristin Seymour MSN, RN, AHCNS-BC's Review Sourced from Google
Paradigm New Media Group is the best in St. Louis for producing digital media. They are professional, responsive, & creative. Paradigm improved the navigation of my website and set up an e-commerce account that is user friendly. Paradigm delivers high-caliber digital media, and stayed within my budget- that is huge! Thanks guys!
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
App development companies usually handle strategy, UI/UX design, development, testing, launch, and ongoing maintenance. Some also provide product research and app store optimization.
App development agencies typically charge between $30,000 and $500,000+, depending on the scope and complexity of the project.
Typical custom app costs by scope include:
Most apps take around 3 to 7 months to develop, though the timeline depends on complexity, features, technology, and the development team. Changes in scope, integrations, and testing requirements can also extend the timeline.
Look at relevant experience, past projects, technical expertise, communication, and post-launch support. The company should also understand your business goals and target users.
Check whether they have built apps similar to yours and review the usability, design quality, and functionality of their work. Pay attention to projects in your industry or with comparable technical requirements.
Ask for launch counts, instead of project counts. An app development company that has shipped dozens of live apps has already solved App Store review, retention, and post-launch iteration. Designli, for example, lists more than 200 product launches and traces its process back to Applits, an app studio its founders ran before the agency existed.
 The top mobile app development companies in 2026 are:
ProposalsFor your project
Specify your budget, timeline and project requirements
Our experts curate a list of up to 5 most qualified candidate agencies
We connect you with them so you can choose the most suitable partner
4.8
4.8