HowMuchDoesMobileAppDevelopmentCostforaUKBusiness?

Building native iOS and Android apps separately roughly doubles the engineering work versus a single cross-platform build, since every screen and business rule gets implemented twice. Flutter, which compiles to both platforms from one codebase, is the practical default for most UK business apps — it reaches the same App Store and Play Store audiences without the doubled cost.

Save native development for cases where your app genuinely depends on deep, platform-specific hardware access that a cross-platform framework doesn't expose well. Most business apps — booking tools, internal ops apps, customer-facing service apps — don't need it.

A baseline app — authentication, a handful of core screens, basic data storage — is comparatively affordable. Real-time features (live chat, video calling, live tracking), offline functionality, and payment or subscription handling are what push cost and timeline up, because each of those requires careful engineering to work reliably, not just to demo well.

London-based agency quotes commonly build in account management layers and higher regional labor costs on top of the engineering itself. A senior remote developer working directly with your team removes that overhead without cutting corners on the build.

Fixed-price app development starts from USD 500 for a tightly scoped build and increases with screen count, integrations, and real-time or offline requirements. Hourly billing runs USD 25–45/hr with a 10-hour minimum. Plan for 3–6 months from kickoff to App Store/Play Store submission for a typical MVP-scope app, factoring in store review time near the end.