Mobile App Development

Mobile apps that earn their place on the home screen

Native iOS and Android, or one cross-platform codebase with React Native or Flutter. Senior squads take your app from discovery to the App Store and Google Play, with quality written into the contract.
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Native iOS and Android, or one
cross-platform codebase
Apps live on the App Store and
Google Play, rated up to 4.7★
ISO 27001 and 27701 certified,
security designed in from day one

The problem

Where mobile products stall

The hard part is rarely the first version. It's shipping on two platforms at the same pace, keeping ratings up release after release, and a backend that can keep up with the app.

One platform ships, the other lags

iOS gets the feature this sprint, Android gets it next quarter. Two codebases, two backlogs, and users who notice the gap.

Ratings that sink with every release

Crashes, slow startup, and flows that break on older devices. The store reviews go public before your team finds the bug.

Mobile engineers you can't hire in time

Senior iOS, Android, and React Native talent is scarce. The req stays open for months while the roadmap waits.

A backend that was never built for mobile

Chatty APIs, fragile integrations, and no plan for spotty connections. The app is only as good as the services behind it.

How we think

Pick the platform for the product, not for the vendor

Native Swift and Kotlin when the app lives on device hardware, heavy animation, or platform-specific features. React Native or Flutter when one codebase and one team get you to both stores faster. We make that call with you in discovery, in writing, before the first sprint — and the same squad owns the backend the app depends on.

What we build

Consumer and enterprise apps for iOS and Android, and the services that keep them running.

Native iOS Apps

Swift apps that take full advantage of the platform: Face ID, Apple Pay, widgets, and background processing.

Native Android Apps

Kotlin apps built for the range of devices, screen sizes, and OS versions your users actually carry.

Cross-Platform Apps

One React Native or Flutter codebase for iOS and Android, with native modules where performance demands it.

Fintech & Consumer Apps

Onboarding, identity verification, payments, and wallets, with the security mobile finance requires.

Enterprise & Field Apps

Offline-first apps for sales, operations, and field teams, synced with your ERP, CRM, and internal systems.

Mobile Backends & APIs

APIs, push notifications, real-time sync, and analytics, designed for mobile from the start.

From idea to the App Store and Google Play

A predictable path from agreed scope to an app in your users' hands, with quality gates at every step.

01

Product discovery

We map users, journeys, integrations, and the platform call — native or cross-platform — and close with scope, cost, and timeline.

02

UX and architecture

Prototypes tested on real devices, one design system for both platforms, and the API contract signed off before the build.

03

Build in short cycles

A cross-functional squad ships a working build every sprint to TestFlight and Google Play internal testing, with QA on real devices.

04

Launch and evolve

Store submission, crash and performance monitoring, and a release train that keeps the app improving after go-live.

Stack

Our mobile stack

Native when the product needs it, cross-platform when one codebase gets you there faster. The choice follows the use case and the stack your team already supports — not our preference.

Why Luby

Built to ship, and to keep shipping

24 years, 1,350+ projects, and 540+ clients. An app isn't done at launch — what counts is the tenth release, not just the first.

Quality is in the contract

Test coverage, CI/CD, and quality gates are in the agreement from the start, so every store release is predictable instead of a bet.

Senior mobile engineers

iOS, Android, React Native, and Flutter engineers from a team of 220+, aligned to U.S. business hours.

The app and its backend, one squad

The team that builds the app also owns the APIs and integrations behind it. No finger-pointing between two vendors.

Security designed in

ISO 27001 and ISO 27701 certified. Secure storage, encrypted traffic, and data privacy are part of the first sprint, not the last.

The metrics we chase

The number the app answers to

Crash-free sessions, store rating, retention — every app has one that matters most. It's agreed at the start and measured release after release.

  • Crash-free sessions

  • App store rating

  • Time to first release

  • Release frequency

  • User retention

  • App startup time

Common questions about mobile app development

Get in touch

Ready to build your app?

Share your idea or the app you already have and get a development plan within 24 hours. No commitment, no boilerplate proposal.

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