Top 5 App Development Companies By Customer Reviews

Mayank Pratap
8 min readMay 2, 2021

There are more than 100 companies around the world that develop mobile apps. Some of them are excellent and some of them are just scam. In this article, we have tried our best to enlist 5 top app development companies based on their reviews, ratings and feedback from their existing clients.

People always ask me to recommend great app developers. The problem is that I don’t know great developers until I’ve worked with them for a while. Usually, the companies that stand out are the ones whose work sticks out. Most of us assume that having a good-looking website is enough to win customers. While this may be true sometimes, it isn’t true in most cases. Here are 20 popular app development companies along with their customer satisfaction ratings.

1. Mercury-development

If you are looking for experienced mobile developers or mobile app developers, look no further than Mercury Development. We have the knowledge and talent to build mobile applications that give your business an edge. With more than 10 years experience in developing applications for Android and iOS mobile platforms, we know how to build apps that are optimized to work seamlessly across all devices and operating systems. Whether you are looking for experienced developers capable of building enterprise apps or looking for agile, high-quality mobile app development services to help companies that are transitioning to using mobile applications to improve business performance and efficiency, Mercury Development has the skills needed to deliver solutions that best meet your business needs. following are the reasons of why we put in Top 20 App Development Companies list

Key clients:
DOW, HSBC, Thompson Reuters, Grainger, SAP, HP, Symantec, Kensington, Miami Children’s Hospital, and many more.

iOS Development | $1,000,000 — $9,999,999 | June 2009 — Ongoing | Verified
Mercury’s efforts have increased the platform’s user base exponentially within a few years. Adaptable and flexible with a significant talent pool, the team scales as necessary, offers continuous feedback and addresses challenges seamlessly in order to ensure the project maintains forward momentum.

Founder & Director of a Software Company.

Custom Software Development for Medical Device Company
Quality: 5.0 | Schedule: 5.0 | Cost: 5.0 | Willing to refer 5.

Mercury Development’s high-level expertise endows internal stakeholders with confidence that the software will be developed successfully. In addition to handling development, they provide actionable insights and recommendations. Their experience developing medical devices is a value-add.
CEO, Aurios Medical

2. 3Advance Apps :

  • Starting Price $25,000+
  • Hourly Rates: $100 — $149 / hr
  • Team Size: 10–49
  • Founded 2010
  • Location: Washington, DC

3Advance is your dedicated team of app developers that will bring your new products to life. Whether you’re a non-techie founder or your in-house team needs additional expertise, we’re here to make this easier. We specialize in converting your vision into an app that provides your customers with value, so it’s simple for your team to build and launch. following are the reasons of why we put in Top 20 App Development Companies list

Key clients:
NPR, AARP, Special Olympics International, The Newseum, Octagon, The Newseum, Politifact, NNEDV, Ben’s Chili Bowl and a host of DC Tech Startups including Upside Travel, TwentyTables, Fanamana, Eyrus and HSA Coach.

Client Focus:

  • Midmarket ($10M — $1B)
  • Small Business (<$10M)

iOS & Android App Dev for Live Streaming Service
Mobile App Development, $50,000 to $199,999, Dec. 2018 — Aug. 2020

Project summary:
3Advance Apps rewrote a sports streaming technology company’s apps, moving in two phases. In the first, they worked with a Wowza-based SDK, and the second involved a Softvelum-based SDK.

Feedback summary:
Because the internal team fully scoped out the project specs, 3Advance Apps primarily focused on executing the apps and providing additional post support. The revamped apps went live to a few user issues and bugs, which was a testament to their coding skills.
Founder, Live Streaming Service

Quality: 5.0, Schedule:5.0, Cost: 4.5, Willing to refer: 5.0

3. KitelyTech

KitelyTech is a full-service technology consulting, design & development firm with offices in downtown Chicago, New York City, Atlanta, Detroit, Austin, Charlotte, Phoenix, and Miami. Founded by two veteran web design/development professionals, we offer a variety of IT solutions for businesses large and small. We pride ourselves on being well-versed in every aspect of revolutionary web technologies, combined with unparalleled design capabilities. At KitelyTech, our mission is simple: set industry standards in web design, web development, branding, mobile application development, custom software, and SEO services. We strive to bring each project we work on to life with our clients’ unique content & design sensibilities. We treat every client like we would our own — knowing that they’re going to love every moment spent working with us, following are the reasons of why we put in Top 20 App Development Companies list

Key clients:
Clients ranging from Startups & SMB’s to Fortune 500’s

Projects & Reviews:

  • Web Dev & Social Media Marketing for Security Company
  • $10,000 to $49,999

Project summary:
KitelyTech managed full-stack development of a website to modernize a web presence for a security network company. They created content and direct social media marketing campaigns to improve online visibility.

Feedback summary:
KitelyTech delivered a superior website and effective social media initiatives that successfully increased the number of website visitors. The team is knowledgeable and provides insight into processes, which guides the engagement. They are flexible and produce valuable deliverables.

  • iOS App Dev for Job Application
  • Startup $50,000 to $199,999

Project summary:

KitelyTech managed full-stack development of web and iOS apps for a job application platform. They built features including chat functions and an admin panel. They adapted a website to integrate with the app.

Feedback summary:

KitelyTech delivered an impressive platform that exceeded the expectations of internal stakeholders. The team was accessible and ensured transparency by offering tools that provided visibility into the product’s progress. Their flexibility and responsiveness enable continued collaboration.

4. Blue Label Labs

Blue Label Labs is a 64-person digital product strategy, design and development agency based in New York City, Seattle and San Francisco. We partner with ambitious companies, brands, and founders to build over 350 products across a multitude of devices. Founded in 2010, we have assembled an award-winning team of designers, developers, product managers and marketers. Using our collective experience, expertise and deep level of understanding across multiple industry verticals we continually push the boundaries of digital product development to push physical boundaries. Along the way we have learned that only by focusing on WHY something is fun and entertaining can it grow exponentially. Knowing WHY is important because in order to make something fun, something has to be made fun first.

“In addition to delivering a top-notch product, Blue Label Labs is very proactive and organized when it comes to managing projects. Outside of software development, they’ve provided invaluable business development support– a welcomed surprise from a vendor in their industry.”
Jeff Lyman, Founder & CEO @ Tonquin

  • Project Starting: $75,000+
  • Hourly Rate: $100 — $149 / hr
  • Team Size: 50–249
  • Founded 2009
  • New York, NY

Key clients:

Bloomberg News; Microsoft; Google/Alphabet; Fender; PayPal; United Nations; iHeart Media; Major League Baseball Player’s Association; El Dorado Airport; Hello Sitter; Magic Money; Muncheez; HowUdish

5. TechAhead

TechAhead is your partner in Mobile App Development that is trusted by Fortune 500 companies to Startups. Founded in 2009, we are a 150 people team spread across two locations (Agoura Hills, California and New Delhi, India) with a decade-long proven track record in engineering innovative, robust, and scalable apps at speed. Being an early-stage company with an interest in technology, we bring insights derived from our experience across the industry to build high-quality applications for Accounts Receivable, Import/Export, CRM, Payroll, eCommerce and other departments. Our team works hand in hand with our clients and provide solutions that address their business issues.

Our key services include:

Strategy and Discovery. User Experience Design. Scalable Architecture Design. Native and Cross-Platform App Development. React Native and Flutter App Development. Custom Backend Development. Responsive and Progressive Web App Development. Application Security. Performance Engineering. Analytics. Maintenance.

IoT (Alexa. Google Home. Home Kit. IFTTT. BLE. iBeacons. Wearable Apps. Raspberry Pi. Arduino)

Cloud (Serverless Architecture. Cloud Monitoring and Maintenance. Managed support for Azure and AWS. Cloud Migration. DevOps)


Greater Conejo Valley Chamber of Commerce. Microsoft Gold. AWS. Xamarin Consulting. Google Developer Agency.


LafargeHolcim. Audi. AXA. Allianz. Disney. American Express. International Cricket Council. The Healthy Mummy. CDR. Volatiles. Heatmiser. Rosy Blue. Rapnet. PikMyKid.

Key clients:

AXA, Allianz, American Express, Disney, AUDI, RosyBlue, LafargeHolcim, The Times Internet Group, ESPN F1, The Healthy Mummy

6. Welcome to Cubix!
We are excited to see you on our profile. Cubix is a leading mobile app, games and enterprise software development company! We create innovative mobile products & software solutions, customizing them for our clients’ needs. Whether you’re looking for a highly successful app that has been downloaded millions of times across the globe, or a simple game that would do wonders to your family time, we can help you achieve anything great. We are based in New York City with offices all over the world. You can reach us for any questions or quick feedback via email. We promise to keep in touch! ## Best desktop web host

Our Services Include:

  1. Mobile Product Strategy
  2. Native iOS and Android App Development
  3. React Native Cross Platform App Development
  4. Mobile 2D and 3D Game Development
  5. Augmented and Virtual Reality
  6. Artificial Intelligence and Machine Learning
  7. Web and SAAS platform Development
  8. E-Learning Solutions
  9. UI and Front-End Development
  10. Testing and Quality Assurance

Key clients:

We are proud to support some of the world’s leading enterprises, agencies, and individuals as together, as we create result-driven and beautiful products. Some of our key clients are Politico, Wallmart, Tissot, Sapient, Dreamworks, Canon, Data stream, Artizone, White castle, Suzuki, Sony, Paypal, Quaker, Rayban.

Credit: Top 5 app development Agencies



Mayank Pratap

Co-founder of | Writer at Entrepreneur| Co-founder @ Supersourcing ! Featured in Forbes, Fortune Magazine. ! Future of Works ! FirstchequeVC