Top 100 App Developers

OpenXcell developed a social media app targeted specifically at mothers for a consumer tech startup. They worked with the client, who had an in-house creative team, to implement their designs. They did all the backend development work and created apps for iOS and Android. The app was a success, surpassing the client’s expectations and gaining more than 1000 users within the first week.     

“If you think about the software development life cycle, I think OpenXcell excels in development. I can only speak from a partner’s perspective, but if you’re willing to put in the hard work with them, they will deliver.” – CEO, Consumer Tech Startup

An event planning firm needed CodigoDelSur to build them a clean and effective website. The agency helped with a lot of advancements including, design upgrades, and bug fixes. As a result, the website saw an increase in traffic and engagement.

“I’ve had no problems with anything, which is rare. Their [CodigoDelSur’s] Agile project management has been second to none, and the customer service has been fantastic.” – Digital Marketing, Event Planning Firm

EB Pearls was hired by a not-for-profit initiative to create a user-friendly app for people looking for work in the disability, community, and aged-care sector. 

"The app now gives smartphone users a faster and simplified UX. It has added another dimension to our service and given us a steadily growing database of job seekers." – National Manager, Nonprofit initiative 

Orangesoft partnered with a social sports app to develop an iOS mobile app. Using pre-existing wireframes and technical documents, the team built the app to include real-time data delivery, in-app messaging, and social network functions. The app worked well, and the former client was impressed with Orangesoft's involved approach and technical aptitude.

"I value their flexibility and hands-on approach. I can tell that they’re developing every day. I’m still working with them and I’ll continue to work with them."-Product Director, Sports App 

Uptech worked with a video production company to build a live streaming platform. The client found that the platform brought significantly more business to their company. They continued to work with Uptech to add in new user requested features.

“Since we built this platform, I've been tripling my revenue metrics compared to last year. Their work is reliable and professional. I can control and tweak every aspect.” – CEO, Video Production Company

Wave Digital designed a global health app for a medical information provider. The agency was dedicated to the project's success and delivered a platform that exceeded expectations. The client was impressed by how quickly the work was completed and their dedication.

"We were impressed with their level of communication and commitment to creating the app to our exact requirements." – Developing Countries Program Manager, Medical Information Provider

Mindsea upped the user experience for a men’s fashion app to increase engagement. The client complimented Mindsea’s expertise in not only UX design but also development.

“They're a reasonably small team, but they have some exceptional developers. They consistently came up with great solutions , and we have yet to hire an engineer of our own that produces as high-quality content as anyone at MindSea.” – CEO, Men's Clothing Company

Clearbridge developed a full-featured iOS and Android app that enabled telecom customers to pay their bills and manage their statements. The client raved about the team’s proactive attitude, immaculate project management process, and flawless – though complex – deliverables.

“They’ve impressed multiple departments and teams within our organization. They’ve set a new standard for us.” – Product Manager, Telecommunications Company

Chelsea Apps built an SDK for a customer feedback corporation. The SDK was to be inserted in customers' own mobile applications for better testing. It needed to be easy-to-understand for development teams to work with easily. Chelsea Apps made an SDK that was compatible for both Android and iOS.

"We're in the early days, but we've had 3 clients sign up to use the SDK and 2 of those clients are releasing updates to there own apps in the next month, so we're excited to see the user feedback, but the developer feedback so far has been great." - CTO, Customer Feedback Co.

Sonin built an app and website for a custom afterlife messages service. They developed the app to be very user friendly, with the ability to upload photos and letters, and to merge audio, video, images, and text. The client was happy with the finished app, and said that it was simple and intuitive. 

“Their technical competency was the most impressive thing. Some of the features we wanted in the app were quite complex.” – Operations Director, Custom Afterlife Messages Service
 

Utility developed a live streaming platform for a new network. The project included UX/UI design, live streaming architecture, and search filtering. As a result of Utility’s work, the network received positive reviews and was acquired by a big name company.

“We provided our goals, told them what we needed, and collaborated during the rounds of UX designs, but they took it all from there and steered the strategies around how to implement and execute everything digitally.” – Director, Network

An IT company hired RichestSoft to enhance its online presence. RichestSoft developed an e-commerce platform for the client – a website, iOS and Android apps – and designed both the front- and back-end.

“Once I present a task to them, they don’t hesitate to do it. The quality of the work is good.” – Director, IT Company

3Advance rebuilt a website for a legal nonprofit to update security, improve email capabilities, and streamline UX. The website is a free service for journalists who have First Amendment or Freedom of Information questions.

“Feedback from users has been very positive. It was our first professional site; our old site was very static, and on this one, everything is updated without having to refresh a single URL.” – Legal Defense Director, Advocacy Nonprofit

A technology consulting firm wanted to develop a mobile app but needed technical resources to support the development. NS804 helped the client fine-tune its general concept before completing the app's design, development, and coding. Throughout the project, they leveraged their experience and expertise to proved crucial guidance.

"They were able to grasp our concept, pick up the ball, and run with it. They even provided improvements on my original idea." - Managing Partner, Technology Consulting Firm

A crowdfunded IoT and software startup hired AgileEngine to augment its development staff and write back-end code for a device they had built. AgileEngine built the framework for the device and the accompanying application and developed front-end mobile app that connects to the device. The startup credits AgileEngine's development team with their ability to meet internal goals and deliver a product in a timely manner.

"I’ve worked with remote teams in the past. AgileEngine stands out for the quality of their talent. They have a phenomenal process for ensuring they onboard the best of the best, which they succeed in doing." – CEO, IoT and Software Startup

RipenApps developed a website and corresponding native Android app for an IT services company. They also developed a data management system to improve operational analytics and provided visual and written content. They delivered an efficient, user-friendly design. 

“Our experience with RipenApps was great. Everything went well. We were happy because RipenApps really understood what we wanted. The most important thing was making the app and website user-friendly, especially for non-technical people, and RipenApps made it happen.” – Founder, IT Services Company 

IT Craft created mockups for and later developed a website that was the foundation for an online brand marketplace for designers. The website allowed designers to upload content, make edits, and sell their services. Users could purchase domain names, logos, and other graphic design assets. After 3 years, the startup sold its website, which had close to 50,000 users.

“IT Craft understood our goals. Even though they usually didn't come up with the same solutions we were thinking of, that ended up being a good thing.” – Founder, Graphic Design Marketplace

A filmmaker startup recruited Majestyk to develop a minimum viable project (MVP) for its platform, which allows students and professors in the film industry to connect, communicate, and submit projects. After the startup had a negative experience with another app development company, Majestyk saved the day, developing a web platform from the ground up.

“Majestyk developed our web platform, starting again from scratch. We plan to develop a mobile app in the future. … They’ve all been helpful in terms of communication.” – Co-Founder and CEO, Film Startup

Singsys partnered with an online grocery purchasing app to supply mobile development services for the app. They supplied design, development, and UX/UI design and the project was successful. They saw a significant number of organic downloads. 

“I was awe-stuck by the extreme professional ethics conditioning of the team which has been quite commendable throughout the project-delivery timeline. Upon the post-completion of the project, sincere coordination and follow-up has been even praise-worthy.“ – Owner, Online Grocery Purchasing App

NineHertz developed a Bluetooth app for both iOS and Android, plus provided logo design services. The client enjoyed the partnership’s transparency, open communication, cost-effectiveness, and functional deliverables.

“Everything was so good, I didn't have a single issue with them. If I found a bug or something that needed to be corrected, they were responsive and everything was good.” – Project Manager, Geolocation IT Firm

Dedicated Developers partnered with a digital agency to develop a variety of iOS, Android, and web products over the years. The client valued the team’s inter-platform dexterity, rapid turnaround time, and seamless communications.

“It’s priceless that no matter what happens to an individual resource, your project is always taken care of.” – Owner, Digital Agency

Cubix helped a dating startup by reverse-engineering the dating platform to make it compatible with a social media network’s privacy settings. The team also developed iOS versions of the platform for mobile devices. The client was pleased with their patience and communication.

"I always felt like they were working hard to create the best possible product for me. I'm lucky to have worked with Cubix, and I would recommend them to any company or individual looking to build a website or app." – Founder, Dating Startup 

Diffco provided backend development services for a digital development firm. They worked primarily in PHP to develop the app, and also performed security checks on the product. The client was happy with the finished product and it has withstood rigorous third-party security checks.

“There was confidence that we don't need to be triple check their work. We never had to redo anything. Diffco US is very reliable. – CEO, Digital Development Firm

Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

“I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

A hygiene products company worked with Intent to create their mobile app. The client was most impressed with the project management skills of the team.

“They [Intent] were proactive, responsive to our needs, and agile. They were doing everything that was required to meet the deadlines. Even if we had unforeseen issues to fix during testing, they were able to meet the deadlines 90% of the time.” – Senior IT Manager, Hygiene Products Company

Bottle Rocket developed an industry-leading patient portal app that excelled in consumer-testing for its features and engaging interface. The team’s design process, customer service, and outstanding deliverables wowed the client.

“Their quality is impressive. Everything we’ve received from them has been top-notch. I equate it to going to a Mercedes or Lexus dealership. You expect quality.” – Director of Digital Health, Large Health Care System

MobileUp partnered with a domestic service organization to develop an iOS and Android app that would allow users to match with domestic service providers. The team at MobileUp designed prototypes, went through testing, and created designs in order to effectively meet the client's needs. Test users provided positive feedback, and the client was impressed with how hardworking and devoted the team at MobileUp was. 

"MobileUp has worked on each and every functionality required to build the app. The team was highly involved in the project from the very beginning to the end. "-Founder, Domestic Services App 

Umbrella IT developed the second iteration of a popular social media networking app. While the new version hasn't launched, it's already received positive feedback. The client is confident about its success. 

"They [Umbrella IT] work at the highest level possible. If you know what you want, it will be built exactly per your specifications." – CEO, Social Networking App