Now booking new projects
One studio for the whole stack.
Leibreich Technologies designs, builds and ships custom mobile apps for iPhone and Android, websites, backends and games, then keeps them running. You get one accountable partner from the first sketch to the store listing.
iPhone & Android
Web
Cloud & APIs
Ship It
1 / 7 layers
Tap to drop each layer. Overhang gets trimmed. Stack all seven to ship.
A React Native mini-game, running on this page.
Services
Everything it takes to ship
Most products need more than an app. We build every layer, so nothing falls between two vendors.
Mobile apps
iPhone and Android apps from one React Native codebase, with native performance, offline storage and App Store and Google Play submission handled.
Learn more →Websites & web apps
Fast, accessible sites and web apps in React. Static pages for marketing and docs, interactive apps when you need them, sharing code with your mobile app.
Learn more →Backends & APIs
TypeScript APIs and serverless workers for accounts, purchase verification, sync and integrations with services like Google Play.
Learn more →Games
Casual free-to-play games with custom rendering, level generation, in-game economies and rewarded ads that players choose to watch.
Monetization & analytics
In-app purchases, ads with proper consent, product analytics and crash reporting, wired in so you can see what users do and get paid for it.
Launch & operations
Cloud builds, store listings, privacy policies, hosting and monitoring. We stay on after launch to fix, measure and ship updates.
Learn more →The stack
From the screen down to the server
These are the tools in our own products today. One codebase for iPhone, Android and the web keeps your app consistent and your costs down.
Apps & games
React Native
Expo
Skia
iOS
Android
Web
React
React Native Web
Expo Router
Static export
APIs & backend
TypeScript
Cloudflare Workers
REST APIs
Google Play API
Data
SQLite
Cloudflare KV
Google Drive sync
Payments & growth
In-app purchases
AdMob
PostHog
Privacy consent
Ship & operate
EAS Build
Store submission
Sentry
Cloudflare Pages
GitHub
Work
Built and shipped in-house
Our own products are where we prove the stack. Each one covers the client, the backend and the services around it.
Untitled puzzle game
Game
Coming soon
A casual mobile puzzle game for iPhone and Android. More soon.
Client
React Native and TypeScript, with a custom rendering engine
Backend
Serverless purchase verification
Services
In-app purchases, ads, analytics, crash reporting and cloud save
Untitled app
App
Coming soon
An everyday utility app for iPhone and Android. More soon.
Client
Expo Router with native navigation, one codebase for iOS and Android
Design
Custom illustration, type, color and motion
This website
Web
Live
Written in React Native and exported as static HTML, so the same components could ship in a mobile app. The Ship It game above is one of them.
Client
React Native Web, Expo Router static export, CSS-variable theming with light and dark modes
Hosting
Cloudflare Pages, deployed automatically from GitHub on every push
Built by Brian Leibreich, a full-stack engineer with 16+ years of mobile apps, APIs and databases behind him. You work with him directly.
About Brian →Process
How a project runs
01
Discover
We talk through the problem, the users and the budget, then agree on the smallest version worth building.
02
Design
Screens, flows and the data model, sketched and tested before any production code.
03
Build
Short cycles, with test builds you can install on your own phone along the way.
04
Launch
Store listings, privacy policies, review submission and the website to go with it.
05
Operate
Crash monitoring, analytics, fixes and updates after launch, for as long as you need.
Contact
Have something to build?
Tell us what you're making and where you're stuck. The brief goes straight to the person who'll build it.
Now booking new projects
Prefer email?
Need help with one of our apps? Email support@leibreichtechnologies.com.
Questions first? Read the FAQ.