Mobile App Development Agency in the UK.
iOS, Android, Flutter and React Native apps for UK scale-ups and FTSE enterprises. 3,500+ apps shipped, GMT-overlap senior in-house team.


Every kind of app, built end-to-end.
Native, cross-platform, enterprise, consumer — our resources develop apps that pass App Store, Play Store, and enterprise security review.
Types of mobile apps we build.
Beyond iOS / Android / Flutter / React Native — here is the kind of apps our the UK team has shipped.
Built for UK enterprise pace.
From the City of London fintech to Manchester MediaCity, from Edinburgh financial services to Cambridge biotech — we ship UK-wide. UK GDPR, ICO, Cyber Essentials Plus, ISO 27001 — compliance-first.
- ✓ UK GMT overlap — daily standups in your time zone
- ✓ UK GDPR + ICO — data residency, DPA, DSARs handled
- ✓ Senior-only delivery — 7+ yr avg, no junior reshuffling
- ✓ NDA day-1 — IP and source code yours from commit #1
Apps developed for top industries in the UK.
Selected mobile apps.
Multi-restaurant ordering for 180k+ daily orders.
RBI-licensed neobank — sub-200ms KYC, 2.1M users.
Telemedicine super-app: AI triage, video consults.
12k driver app + dispatcher console.
Listings + virtual tours — 4.6★ on Play Store.
200k concurrent students, vernacular support.
From brief to App Store in 6 phases.
WebSenor across the United Kingdom.
Our UK base sits at 184 Caroline Street, Birmingham B3 — serving London, Manchester, Edinburgh, Leeds, Bristol and Glasgow. Walk in to B3 or we visit you anywhere in the UK.
Reads on mobile app development from the UK.
App ARPU, ASO competition, payment rails — what makes the UK great for mobile.
Native iOS, AI agents, voice — what is winning in 2026.
Real benchmarks from local app projects, by platform and complexity.
Mobile App Development in the UK — common questions.
Are you a top mobile app development agency in the UK?
WebSenor is among the top app dev agencies in the UK — 5.0★ on Clutch, 3,500+ apps developed, senior in-house team.
Do you build native iOS and Android apps?
Yes — native Swift / SwiftUI iOS and Kotlin / Jetpack Compose Android, plus cross-platform Flutter and React Native. End-to-end App Store + Play Store rollout.
Do you offer post-launch SLA?
Yes — 24×7 monitoring (Sentry + Datadog), SLA-backed bug fixes, OS-update compatibility, A/B testing, monthly performance reports.
Can I hire dedicated app developers in the UK?
Yes — dedicated senior iOS / Android / Flutter / React Native engineers on monthly contracts.
How much does a mobile app in the UK cost?
Cost depends on scope, integrations and team mix. We share a detailed line-item estimate within 4 hours.
Do you sign NDAs?
Yes — NDA day-1 before any technical detail is shared. We are ISO 27001 + DPDP-aligned.
Build your next mobile app from the UK.
30-min discovery call with a senior resource. Honest feasibility, realistic timeline within 24 hours.
