About Nordstone

Nordstone is an Philadelphia-based app development company with a skilled team of developers, designers, product strategists, and growth experts, renowned for delivering successful iOS, Android, and web applications.

110+

Products Launched

$26m+

VC-backed Valuations

13+

Years Experience

Crafting Mobile Apps with Passion & Precision

Our experienced leadership team has a deep understanding of the app development journey, from idea to launch. As leading mobile app developers in Philadelphia and across the US, we use a proprietary 7-step process to transform concepts into high-quality, market-ready web and mobile applications.

At Nordstone, we view every project as a partnership. Whether supporting Philadelphia’s creative startups or established enterprises nationwide, we’re dedicated to turning bold ideas into impactful digital solutions. Our expertise as trusted app developers ensures we deliver apps with precision, innovation, and a commitment to excellence.

Product Strategy

We provide expert product strategy, offering innovative ideas to enhance your vision.

Transparency

Our communication is clear and transparent, ensuring you’re informed every step of the way.

Quality Code

Expect rapid development from us, delivering quality results without errors.

Book a Free Strategy Session

Why Choose Nordstone?

Nordstone Proven 7-Step Process

A Proven 7-Step Development Process

Your success is our priority, and our meticulously refined process guarantees flawless execution from concept to launch. We craft apps designed to excel in the market, featuring clean code, user-focused design, and seamless functionality.

Leading Expertise

Industry-Leading Expertise

From AI and machine learning to Fintech, Social Media, and Health & Fitness, we’ve delivered game-changing apps across a range of industries. Our expertise in cross-platform development ensures your app performs flawlessly on both iOS and Android.

Results that speak

Results That Speak for Themselves

We measure our success by yours. With over 100 successful app launches and a growing portfolio of high-impact solutions, we know what it takes to help your business thrive in today’s digital landscape.

Product Strategy

Product Strategy Tailored for You

We don’t just develop apps—we help you build a winning product strategy. From refining your concept to crafting innovative features that captivate users, our team ensures your app delivers value from day one.

Innovation is Our Foundation

Nordstone is more than just an app development company; we are a team fueled by entrepreneurial spirit and a passion for innovation. Our journey started with a vision to drive meaningful change, exemplified by our CEO’s shift from a finance career to developing the UK’s first app addressing loneliness—an initiative that has now positively impacted over 70 countries globally.

This unwavering dedication to delivering transformative solutions is at the core of everything we do. As leading mobile app developers in Philadelphia and across the US, we bring the same commitment to every project, partnering with businesses to turn bold ideas into reality. Recognised for our expertise, we create solutions that inspire, engage, and deliver lasting value.

Hurry, Only 3 Free Strategy Sessions Left – Book Now!

Your Mobile App Development Partner

End-to-End Mobile App Development

Nordstone specialises in developing cross-platform, native, and hybrid apps for iOS and Android, delivering innovative and scalable solutions. As experienced mobile app developers in Philadelphia and the US, we leverage cutting-edge tools, industry best practices, and leading frameworks to create high-performing applications. From concept to market success, we manage the entire app lifecycle with precision and care.‎

‎

Learn More ›

AI, ML & Data Intelligence

We elevate web and mobile apps into next-level solutions by integrating cutting-edge AI tools, enabling features like natural language processing and image recognition. As leading mobile app developers in Philadelphia and the US, Nordstone propels apps into the future with AI-driven user experiences and advanced predictive and generative capabilities, ensuring your app stands out in the market.

Learn More ›

Full-Stack Web App Development

Nordstone excels in empowering businesses with dynamic SaaS applications, Progressive Web Apps, and interactive admin and user portals. As trusted mobile app developers in Philadelphia and across the US, we craft innovative, user-centric solutions that accelerate business growth and success. Our comprehensive approach integrates web and mobile functionalities into a seamless digital ecosystem, delivering maximum efficiency and impact.

Learn More ›

Iteration & Ongoing App Support

Our expert team refines, enhances, and scales your mobile app by fixing bugs, improving communication, and speeding up development. As trusted app developers in Philadelphia in the US, we adopt a collaborative, user-focused approach, using data analytics to uncover strategies that elevate your app’s revenue, downloads, user retention, and engagement.

Learn More ›

Start Development Today!

Industry Experience & Mobile App Case Studies

Social Media App Development Company
Fintech App Development Company
Payments App Development Company
See More Projects

Celebrating Successful Mobile App Launches

Discover the compelling reasons our partners love Nordstone’s mobile app development services.

Luke

Luke

CEO, DropStar Technologies

"Nordstone successfully executed a relatively complicated mobile media application MVP for me. Communication was top-notch - clear, concise, and timely. I interviewed 10 companies for this project and was very glad I chose Nordstone. A++ recommendation."  
Charlie

Charlie

Co-Founder, ALAO

"Nordstone was a joy to work with. They understood our vision and were able to ask us leading questions to get us all on the same page. Communication was always prompt and easy."
Jalal

Jalal

Co-Founder, CoinCare

"Nordstone is on the cutting edge of development. They helped us quickly take our product from concept to reality, understanding exactly what our vision was from the first call. They are great listeners, very intelligent, and exceptionally professional.”
Peter

Peter

Co-Founder, ALAO

"Nordstone was a pleasure to work with. They were diligent and proactive as they helped us develop our app through various iterations and evolutions. They were excellent engineers, and I would recommend Nordstone to anyone!"
Chris

Chris

Co-Founder, CoinCare

"Perfect communication, very professional, and organised. The team at Nordstone are great listeners and asked all the right questions to understand exactly what we wanted from the project. We’ll definitely work again, and I highly recommend Nordstone."
Michael

Michael

Founder, Aksum

"Learned a lot from working with Nordstone, a truly professional consultancy and clearly experts in their field! Delivered strong results with extensive knowledge and look forward to becoming their client again."