Mobile App Development
Cross-platform iOS and Android applications with native performance
Cross-platform development gets dismissed as a compromise, usually by people whose experience is with apps that were built without attention to the things that actually cause jank. A React Native app that virtualizes its lists, runs animations on the native thread, and sizes its images correctly is indistinguishable from native for the overwhelming majority of products.
We build apps that hold sixty frames per second on a low-end Android device, not just on the latest iPhone — because the device where problems are visible is the device that determines your reviews.
What's Included
Key Benefits
Performance Treated as Specific, Not General
Apps are rarely uniformly slow. One list stutters, one screen takes too long to appear, one animation drops frames. Treating it as a general problem leads to broad refactors that change nothing; treating it as three specific problems usually resolves it in days.
Long lists cause more React Native performance problems than everything else combined, and the fixes are well understood: virtualize so only visible rows render, memoize rows with stable prop references, provide layout information so positions are computed rather than measured, and keep row hierarchies shallow. That alone resolves most reported jank.
Animations That Do Not Depend on the JS Thread
An animation driven by JavaScript state requires a round trip through the JavaScript thread every frame. During a screen transition that thread is always busy, which is exactly when animations stutter and the app starts to feel cheap.
We run animations and gesture handling on the native thread so they continue smoothly regardless of what JavaScript is doing. For swipe and drag interactions, where the animation must track the finger, this is the difference between an app that feels responsive and one that feels disconnected from touch.
Offline as a Design Decision
Mobile connections drop — in lifts, on transit, in warehouses, in rural areas. An app that shows an error whenever the network is unavailable is an app people stop trusting for anything important.
We design the data layer around a local store that the interface reads from, with synchronization happening in the background and conflicts resolved by a defined policy. Actions taken offline queue and replay when connectivity returns. This is considerably easier to design in from the start than to retrofit, because it changes where state lives.
Start-up Time and Store Readiness
Time to interactive on a cold start has different causes than in-app jank: bundle size, engine choice, and how much work happens before the first screen appears. We audit top-level imports, enable precompiled bytecode, lazy-load screens beyond the first, and render a shell with cached content rather than blocking on a network request.
We also handle the parts teams underestimate — store listings, privacy declarations, review guideline compliance, code signing, and release automation. App review rejections are usually avoidable and always inconvenient.
How We Work
- 1
Platform & scope decision
We establish whether cross-platform fits your requirements, or whether a specific native capability justifies going native.
- 2
Architecture & offline strategy
Navigation structure, state and data layer, and the synchronization model — decided before feature work begins.
- 3
Feature delivery
Two-week cycles with builds distributed to your testers on both platforms at the end of each.
- 4
Performance & device testing
Profiling on low-end Android hardware and older iPhones, not simulators, which hide almost everything that matters.
- 5
Store submission & release
Listings, assets, privacy declarations, signing, phased rollout, and crash reporting configured before launch.
Frequently Asked Questions
React Native or fully native?
React Native for the large majority of products — business apps, marketplaces, social features, content, commerce. Fully native is worth it when you depend heavily on platform-specific capabilities: advanced camera and image processing, augmented reality, background audio, complex Bluetooth, or anything where you need the newest OS APIs the day they ship.
Can we share code with our web app?
Business logic, API clients, validation schemas, and types share well and are worth sharing. User interface code generally does not, because mobile interaction patterns differ meaningfully from web and forcing shared components tends to produce something that feels wrong on both.
How long does a mobile app take?
An MVP with authentication, a core workflow, push notifications, and store submission is typically ten to fourteen weeks for both platforms. Apps with offline synchronization, real-time features, or heavy native integrations run longer, and we scope those specifically rather than by analogy.
Who handles App Store and Play Store submission?
We do, including listings, screenshots, privacy declarations, and the review process. Accounts are registered under your organization so you own the listings and the apps outright.
What about ongoing OS updates?
iOS and Android both release annually, and each cycle brings deprecations and new requirements. Most clients keep a maintenance retainer covering OS compatibility, dependency updates, and store policy changes — this is ongoing work rather than a one-time build.