App structure
Navigation, deep links, and account flows laid out so a second screen does not invent a second architecture.
Mobile applications
Expo
iOS and Android applications from TypeScript, released through Expo’s build and submit pipeline.
Expo is how we ship a mobile product when the team already thinks in TypeScript and both stores matter. React Native draws the interface. Expo Router structures the app. EAS Build produces the binaries, and JavaScript changes can ship over the air when the native shell does not have to change.
We treat the native project as a real artifact, not a folder nobody opens. When a device API is missing from the Expo SDK, we add a module in Swift or Kotlin instead of pretending the gap is a web problem.
Expo
What the work covers
Device capabilities
Camera, notifications, secure storage, and the other APIs the product actually calls, through the Expo SDK or a small native module.
Store delivery
EAS Build and submission, versioning, and the review notes that keep a release from stalling on a checklist.
Over-the-air updates
JS-only fixes shipped without a store review, with a native release when the binary itself changes.
Shared product logic
Types and API clients shared with a TypeScript web app when both surfaces talk to the same backend.
Native escape hatch
A Swift or Kotlin module when the platform, not the JavaScript bridge, has to do the work.
Delivery
What you leave with
- An app that runs on current iOS and Android
- A build pipeline the next release can reuse
- Store listings coordinated with the binary you submit
- A written rule for what can ship over the air
Fit
Choose this when
- You need both app stores and one product team.
- TypeScript is already the language of the company.
- Most changes are product logic and UI, not new native APIs.
Neighbors
When another practice fits better
These are the switches we recommend in scoping, not a disclaimer.
Native apps
The interface should be SwiftUI and Compose, or the platform APIs are the feature.
Flutter & Dart
The team wants Dart and a renderer that does not use the system widgets.
TypeScript
A responsive web app covers the job without a store review.
Continue
Related practices
- TypeScriptWeb platforms, APIs, and product UI in one typed language from the database boundary to the browser.
- Native appsSwift and Kotlin applications when the platform itself — its UI, its APIs, its constraints — is the product.
- Bespoke SaaSMulti-tenant products with accounts, permissions, billing, and an admin side that matches how the business sells.
Have a product in mind? Let’s scope it.
Get in touch
Expo is a starting point. Bring the constraint that matters more.
Start an engineering conversation
Tell us what you are building, what already exists, and which surface matters first. We will reply with a point of view.