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    Mobile App Development

    Mobile App Development - Native & Cross-Platform That Ship

    Most mobile apps die between TestFlight and the App Store. We ship apps that survive store review, real networks, and the long tail of devices your users actually own.

    How we pick the stack
    Dimension
    Native (iOS + Android)
    Swift / Kotlin
    Cross-platform
    React Native or Flutter
    Time to first shipSlower (two codebases)Faster
    Long-run costHigher30–50% lower
    Platform-specific APIsDay-one accessMost via bridges
    Frame-rate critical UIBestExcellent with care
    Team you need to maintain itiOS + Android specialistsOne team
    Right call forHardware-heavy, AR, gamesMost product apps
    Default is cross-platform; we'll tell you in discovery if native is actually the right call.

    What you get

    Native iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose) when performance or platform features matter
    React Native or Flutter when one codebase across both stores is the right call
    Offline-first data layer with conflict resolution - apps that work on the subway
    Push, deep-linking, biometric auth, in-app purchases, and store-review readiness from day one
    Crash analytics, performance monitoring, and a release pipeline you can ship to weekly
    App Store Optimization handoff - keywords, listings, and review-response playbook

    When it fits

    • Mobile is the primary surface, not an afterthought tacked onto a web product
    • You need real device capabilities (camera pipelines, BLE, AR, background tasks)
    • You can name three things the app must do better than the web app to deserve install
    • You have or will fund a continuous release cadence - apps decay if they sit

    When it doesn't

    • The 'app' is really a wrapped website - a PWA usually wins for cost and reach
    • Nobody owns the product post-launch - apps without owners rot inside a quarter
    • You expect a one-shot build with no ongoing iOS/Android version upkeep

    Process

    Two weeks of discovery: device matrix, store-review risk audit, and a shipped Hello-World on TestFlight and internal track. Then 8–14 weeks to MVP. We instrument crash-free sessions, frame rate, and time-to-interactive from sprint one - a 'fast app' is a metric, not a vibe.

    Full delivery process

    Pricing

    Fixed-price by milestone for well-scoped builds (typically $80–250k for MVP). Dedicated team for longer roadmaps. Maintenance retainers cover OS version upgrades, store policy changes, and continuous releases.

    See engagement models

    Case studies

    Smart Communities & Security

    Residential Access Control System

    A beautifully simple portal to interconnected secure environments, delivering ease of use and peace of mind for residential communities.

    Financial Technology

    FinTech Mobile Banking Platform

    Secure, AI-powered mobile banking serving 500K+ users with instant transfers and biometric authentication.

    How we'd build it

    Blueprints: example projects with the plan, the architecture and the targets we'd start from.

    Blueprint · Fitness & 24/7 gyms

    24/7 Gym Member App With Mobile Door Access

    A member app for unstaffed 24/7 gyms: phone-based door entry, anti-passback, class booking, membership freezes, live occupancy and staff alerts.

    Blueprint · Heat-pump & solar installers

    Field App for Heat-Pump & Solar Installers

    Offline-first site surveys, quotes, commissioning checklists and grant paperwork for heat-pump and solar crews, plus a portal for homeowners.

    Blueprint · Last-mile & courier companies

    Last-Mile Delivery App for Drivers & Dispatch

    An offline-first driver app with proof of delivery, live ETA links for recipients, and a dispatch dashboard for route changes and returns.

    FAQ

    Native or React Native - how do we choose?
    Start with the workload, not the framework. Hardware-heavy apps (AR, BLE pipelines, video processing) usually justify native. Most product apps - banking, marketplaces, productivity - ship faster and cheaper on React Native or Flutter without users noticing. We'll show you the trade-offs against your specific feature list in discovery.
    Can you handle App Store and Play Store review?
    Yes - we run a store-review risk audit during discovery and design around the categories that actually get rejected (in-app purchase routing, private API use, permissions, kids' content). For most apps we land first review approval; for risky categories we plan for one rejection and a fast turnaround.
    How long until something is in TestFlight?
    Week 2. A working Hello-World build on TestFlight and the Play internal track is the first sprint deliverable. The point is to flush out signing, provisioning, and CI before any product work - those are the things that delay teams who leave them to the end.
    Do you support post-launch and OS version upgrades?
    Yes, on a monthly retainer. Mobile apps need ~4 hours per platform per OS major release at minimum just to stay on store shelves; without that they degrade. We bundle this into a maintenance shape so the cost is predictable.
    Hands on a mechanical keyboard in front of a laptop and monitor with code
    A normal Tuesday on one of our desks.

    Who builds it

    Our own team, working from our office in East Sarajevo, Bosnia and Herzegovina. The engineers on your scoping call are the ones who build it.

    Meet the team

    Ready to talk mobile app development?

    30-minute scoping call. No obligation, no hard sell.