Crafting high-quality native mobile apps using the React Native framework. Whether it’s an innovative startup idea or a complex enterprise solution, we turn concepts into smooth, engaging applications.
In today's fast-paced digital landscape, mobile application development is the process of creating software that runs seamlessly on mobile devices. At Dev And Deliver, we specialize in transforming your app idea into a successful apps that work on iOS and Android phones. Our experienced development team uses the latest tools, frameworks (mostly React Native, but we are no stranger to Swift or Kotlin), and best practices to ensure every app meets your business needs and exceeds user expectations.
Check out this mobile app case study!
We create powerful, high-performing mobile applications built with React Native. Why React Native? Because it allows us to deliver apps that feel genuinely native while being cost-effective and efficient. Whether you’re looking to build for iOS, Android, or both platforms, we ensure seamless performance, stunning design, and a user experience that stands out. Your vision, turned into reality, one tap at a time.
Modernizing your React Native app isn’t just about staying current—it’s about unlocking its full potential. We’ll take care of updates, improve performance, and ensure compatibility with the latest technologies. Whether it’s migrating to a newer architecture or integrating advanced features, we handle the heavy lifting so your app stays ahead of the curve.
We can seamlessly migrate any app to React Native. This comes with a major advantage: one codebase to manage, resulting in two fully functional apps for both iOS and Android. It’s efficient, cost-effective, and future-proof. Plus, React Native allows for faster updates and easier feature rollouts, keeping your app ahead in a competitive market.
We offer top-notch design services for applications. Crafting not just the look, but the soul of your app, we focus on creating intuitive, user-friendly experiences that feel just right. Whether you’re building customer-facing tools or internal apps for your team, we’ve got you covered. Struggling with an existing design? Our UI/UX audits dive deep into your app, revealing ways to make it more engaging, easier to navigate, and primed for higher conversions. Let’s shape something extraordinary together.
Already have an app but need a reliable API to power it? We specialize in crafting robust backends that serve as the backbone of your app, ensuring seamless performance and scalability. Whether or not we’re responsible for the frontend, we deliver APIs that integrate effortlessly, grow with your needs, and keep everything running smoothly behind the scenes. No bottlenecks, no hiccups—just pure efficiency.
Your app deserves to make a great first impression. Before it hits the app stores, we rigorously test every feature, flow, and interaction to ensure it performs exactly as intended. Bugs? Glitches? We hunt them down relentlessly. From usability to performance, we leave no stone unturned, so your users experience nothing but seamless functionality from day one.
Planing
strategy development / time & cost estimation / target audience identification / competitive analysis
Wireflows, prototypes and UX/UI design
wireframing / prototyping / usability testing visual research / style guides / final app design
App development
app development / backend development / API integration
Testing & launch
phone/system compatibility / mobile screen resolution tests / code optimization / client’s approval
Maintenance & support
updating required packages / adding new features / monitoring the app for any UX issues
Ready to bring your idea to life?
Share your idea, and we’ll handle the rest. Start your project today with just one simple step!
Planning
Wireflows
UX/UI design
Development
Testing & launch
Support & maintenance
Every app begins with a clear vision. In this phase, we:
Got an app idea in the works?
Ready to bring it to life? We’re here to make it happen.
We specialise in React Native
End-to-end service
At Dev And Deliver, we focus exclusively on React Native, and we do it well. We’ve chosen to specialize in this powerful framework because we believe in mastering one thing and doing it better than anyone else. While others might jump between technologies like Flutter, Swift, or Kotlin, we stick to what we know best—React Native. That’s our edge. When you work with us, you’re working with a team that’s built its expertise over years, not just a group of generalists. React Native is where we’ve really sharpened our skills—it’s at the heart of everything we build. If you need a smooth cross-platform app, we know how to get it done:) Our process is streamlined and we build for the long haul. More than that, though, you’re getting a partner who knows exactly how to turn your mobile idea into something real.
At Dev And Deliver, we focus exclusively on React Native, and we do it well. We’ve chosen to specialize in this powerful framework because we believe in mastering one thing and doing it better than anyone else. While others might jump between technologies like Flutter, Swift, or Kotlin, we stick to what we know best—React Native. That’s our edge. When you work with us, you’re working with a team that’s built its expertise over years, not just a group of generalists. React Native is where we’ve really sharpened our skills—it’s at the heart of everything we build. If you need a smooth cross-platform app, we know how to get it done:) Our process is streamlined and we build for the long haul. More than that, though, you’re getting a partner who knows exactly how to turn your mobile idea into something real.
At Dev and Deliver, we offer a real end-to-end service. From the initial concept to the final app, we manage the whole process. We begin with a deep dive into your idea. What problem are we solving? Who are we designing for? This is where it all starts. After that, our UI/UX team works to create designs that not only look great but are also functional and user-friendly. The goal? To make sure your users have a seamless experience. Then, our development team takes over, transforming those designs into a fully functional app. We make sure it works smoothly, every time. But we don’t disappear after the launch. In fact, that’s when we start maintaining your app, keeping it up-to-date and running perfectly. You don’t need to worry about coordinating with different teams. We do it all. One team, one process. Simple. Efficient. Effective. You focus on your business. We take care of the tech!
At Dev and Deliver, we offer a real end-to-end service. From the initial concept to the final app, we manage the whole process. We begin with a deep dive into your idea. What problem are we solving? Who are we designing for? This is where it all starts. After that, our UI/UX team works to create designs that not only look great but are also functional and user-friendly. The goal? To make sure your users have a seamless experience. Then, our development team takes over, transforming those designs into a fully functional app. We make sure it works smoothly, every time. But we don’t disappear after the launch. In fact, that’s when we start maintaining your app, keeping it up-to-date and running perfectly. You don’t need to worry about coordinating with different teams. We do it all. One team, one process. Simple. Efficient. Effective. You focus on your business. We take care of the tech!
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They’ve already trusted us.
Dev and Deliver have become our trusted partner during the development of recruitment platform GigPlug! We have really valued their technology insight, expertise and professionalism during the tech build process, and they always exceed expectations to help our business. We also enjoy working with Michal, our Dev and Deliver PM!
Elaine Relihan, GigPlug / Co-Founder and CEO
Want to light up your ideas with us?
Kickstart your new project with us in just 1 step!
Mobile app developers from Krakow, Poland
Dev and Deliver
sp. z o.o. sp. k.
Address
VAT EU
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