Custom Mobile & Web App Development

Turn your ideas into powerful iOS, Android, or cross-platform apps. Expert development from concept to launch – local, affordable, results-driven.

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Where technology meets passion

Specialised IOS applications for Apple devices.

Customised app development for Android devices.

Custom app development for various platforms.

Your vision, our expertise.

At A.S Websites, we don’t just build websites—we bring your boldest ideas to life as custom mobile and web applications. Whether you need a customer-facing app, an internal tool, a booking system, or an e-commerce companion app, our team combines creative design with solid engineering to deliver apps that users love and businesses grow from.

Why choose us for your app?

We’re a small, dedicated Edgware-based team that understands local London businesses: tight budgets, fast timelines, and the need for real results. No bloated agencies or endless revisions—we keep things straightforward, communicative, and on-time.

Our proven 6-step app development process

Discovery & Ideation (1–2 weeks)

Kick-off call (in-person at our Hale Lane office or Zoom) to map your goals, target users, key features, and success metrics. We create user personas and a basic app flow.

UI/UX Design

Wireframes and high-fidelity prototypes in Figma. We focus on intuitive, mobile-first interfaces that match your brand. Multiple feedback rounds until it’s perfect.

Development

Tech stack recommendation (native vs cross-platform based on your needs and budget). Clean, scalable code. We build with modern tools and frameworks for speed, security, and future-proofing.

Testing & QA

Manual + automated tests on real devices (iOS simulators, Android emulators, physical phones/tablets). We check performance, crashes, battery usage, offline support, and accessibility.

Launch Support

App Store & Google Play submission guidance (icons, screenshots, descriptions), beta testing via TestFlight/Google Play Internal Testing, and launch monitoring.

Post-Launch Care

30–90 days free bug fixes + support. Ongoing maintenance packages available for updates, new features, and server monitoring.

Technologies & Tools We Use

Cross-platform

Flutter (Dart) or React Native – fast development, native performance, one codebase for iOS + Android.

Native

SwiftUI / UIKit for iOS; Kotlin / Jetpack Compose for Android (when full native is required).

Backend & APIs

Firebase (auth, database, cloud functions), Node.js/Express, or Supabase for quick, secure backends.

Design & Prototyping

Figma for UI/UX.

Testing & Analytics

Xcode, Android Studio, Appium, Firebase Analytics, Google Analytics for Firebase.

Deployment

App Store Connect, Google Play Console, fastlane for automation.

Ready to turn your idea into an app?

Whether it’s a simple utility, a customer loyalty app, or a full marketplace, we’ll guide you every step without the big-agency price tag.
No obligation, just a friendly chat about what’s possible.

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Read what our customers say about us

I had an excellent collaboration with Andreas. He created a wonderful website for me that looks professional and beautiful. Everything works perfectly! Thank you				
Eri S.
 

We are extremely happy with the website A.S Websites created for our new company. From start to finish, they were professional, helpful and easy to work with. They took the time to understand what we wanted and created a modern, professional website that represents our business perfectly.
The attention to detail and quality of work were excellent, and everything was completed... read more to a very high standard. We would definitely recommend A.S Websites to anyone looking for a professional and reliable website design service. Great job and thank you for helping us give our new company a strong online presence!				
Ardit B.
 

Huge thank you to A.S WEBSITES for creating such an amazing website for our driving school. The whole experience from start to finish was professional, smooth, and stress-free. The website looks modern, clean, and very easy for our students to use. We’ve already had so many positive comments about how professional everything looks.
A special thank you to the website designer... read more for the creativity, patience, and attention to detail throughout the process. Every idea we had was understood perfectly and turned into something even better than we imagined. The design truly represents our driving school and helps us stand out.
We really appreciate the hard work, dedication, and support that went into building our website. We highly recommend A.S WEBSITES to anyone looking for a professional, high-quality website and excellent customer service. Thank you again for helping our business grow and giving us a website we are proud of!				
Armanda R.
 