Top Mobile App Development Companies - 2021 Reviews

"Hyperlink InfoSystem stands out in terms of overall professionalism and service."

• CEO, Samtur AS

“We had very good success with them in terms of understanding the requirements and keeping to the timeline.”

• Director of R&D, Window Shade Company

"Mercury's skill and attention to detail are exceptional and second to none."

• Founder & Director, Software Company

"Everything was delivered perfectly."

• Senior Manager, International Consultancy

"They’re an efficient and professional company."

• IT Director, Professional Sports Players Association

"The quality of their work speaks for itself."

• Co-Founder & CFO, Shepper

"Algoworks did an amazing job of bringing my ideas to life."

• Owner, Professional Services App

"They have very skilled iOS developers — we use tools to measure the code quality and it’s very high."

• Project Manager, Cellink Life Sciences

"The end product was exactly they initially briefed me on."

• Managing Director, Thinkbox Interactive Ltd.

"You can rely on them even if you do not have a strong technical background."

• Founder & CEO, Hearty Foundation

"Their professionalism was most impressive."

• CEO, Tech Company

"They went beyond our expectations for both their talent and resources."

• Managing Partner

“They bring the quality they promise.”

• Founder, Services Marketplace Application

"What was most impressive was probably their speed and skills."

• Director of Creative Strategy, Sports Content Company

"Their quality of the code, pride in their craft, and their communication was most impressive."

• Director, Mobile Engineering, Personalized Product Retailer

"Their team’s committed to our project; They’re in it to win it with us."

• Co-Founder & President, Software Development Company

"There are many development firms that will just build what you ask them to, but Frogslayer is genuinely a partner."

• Chief Commercial Officer, Legal Technology Company

"They did a lot of research about us and our users. It felt like they knew the product as well as we did."

• Product Manager, GIBLIB

"I didn't feel like just another client on their books."

• CEO, Dcentric Health Ltd

"They made the solutions do exactly what I want them to do and were patient when addressing corrections."

• Owner, E-Commerce Platform

“From day one, they shared their own ideas, and you could tell they were excited about what we were building.”

• Chief Product Officer, Nutrition Platform

"Their communication was efficient and delivery dates were on track."

• Head of Operations, Transilvania IT Cluster

“Anyone who works with them will be happy with the results.”

• Founder, Live Streaming Service

"Nickelfox is very easy to work with."

• Co-Founder & Product Design Manager, Ubirider

“They turned my idea, my vision, into a fully functional prototype.”

• Founder, Myluxierge

"The most impressive aspect was their design process."

• CEO, Nonprofit Organization

"X2 Mobile’s technical prowess is stellar."

• Director of Technology, Collaborative Classroom

"Their expertise, availability, and professionalism were most impressive."

• Marketing Partner, International Dymension

“Their strength lies in their holistic approach.”

• Product Manager, UX Design Firm

"The quality of the work was exactly what I paid for."

• Managing Partner, Smalk Works

“I have referred several people to Rapptr — that’s how strongly I feel about working with them.”

• Founder, Software Company

"We are impressed with their responsiveness, excellent communication, and sunny disposition."

• CEO, WingzDigital

“Whenever there was a problem, they were able to resolve it within 24 hours.”

• Former Digital Comms Director, Delegate of EU to US

"The timeline management and communication was stellar we loved it"

• Owner, Exemplary Marketing LLC

"I would recommend working with them."

• CEO, Esvedra Wellness Inc.

“The development was smooth, and the design was done well.”

• Head of Finance & Digital Products, MobileSchool

"Atta Systems showed that no matter what it takes, they’re willing to accommodate."

• Product Manager, Financial Research Organization

“They’ve also improved the site’s load time from 3.5 seconds to 2.5 seconds.”

• CEO, Finance E-Learning Platform

"They take care of us 100%, so their customer service is excellent."

• CEO, Personalized Video App Co.

"They had a precise execution of tasks and a creative approach to design development."

• Head of Commercial Development, Retail Chain