Demand the
Android Experts that Develop for Pepsi, AIG, and the F100.
Founded in 2002, we’re headquartered in NYC and supported by a global team committed to building software of lasting value.
A Leader in Android Development
Since 2002, DOOR3 has specialized in delivering high-performance, scalable, and secure Android solutions that drive business success in the mobile-first world. Our team has a deep understanding of Android’s diverse development landscape, enabling us to build and maintain innovative mobile applications with precision and efficiency.
We’ve been building excellence for a long time, just ask Saudi Arabian grocery disruptor Leon Markets. Our clients benefit from our peerless capacity to de-risk projects and tailor our solutions to align with your business goals to foster long-term success. We proudly serve the financial services, insurance, legal, healthcare, non-profit & education, construction & contracting, and retail industries.
Why DOOR3 for Android ?
Custom Solutions Across Devices
DOOR3 excels in developing versatile Android apps for smartphones, tablets, wearables, and smart TVs, tailoring each solution to your business needs.
Strong Security
We ensure your apps are secure with Android’s data encryption, secure APIs, and regular updates, safeguarding against vulnerabilities.
Scalable and High-Performance
Our Android apps are designed to scale effortlessly, maintaining high performance as your business grows, from simple apps to complex solutions.
Efficient Development
From Java to React Native, we take advantage of Android’s mature and ever-growing support of programming languages to rapidly create and deploy high-quality apps, ensuring your projects are not only fast to market but also easy to maintain and update over time.
Why DOOR3?
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Developing since dial-up
We’ve been developing software longer than most of our competitors have existed. Founded in 2002, before your phone was smart, DOOR3 is supported by a global team of talented professionals building software of lasting value.
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On-time and on-budget
Delivering excellence — reliably. Large companies and small non-profits turn to DOOR3 for the same reason: value.
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Enjoy the journey
We bring empathy, collaboration, and shared purpose to all of our projects.
“They know design, they know technology, and most importantly, they stick around until they get it done. I would recommend DOOR3 to anyone who needs reliable Web design and mission-critical, robust software development.”
Patrick McGill, Director, Online Production CSTV/CBS Online, Inc
+30
reviews on Clutch
“The process was fun, and it was energizing to work with DOOR3.”
Alexis Lellios UX Manager, SaaS Company“They had a great team, and we have nothing but praise for them.”
Debbie Penko Chief Product Officer, RISA Tech“DOOR3 was able to put everything together and help us achieve what we wanted.”
Andrés Santos Senior Software Engineer, Retrievr IncA Leader In Android Dev.