instApped

Turn a web page into an Android app

Draft

New app

Work through the steps, check your setup, then build.

Where does your app come from?

Upload files or point to a live website.

App details

How your app appears on a phone and in the store.

Android back buttonGo back in the app before closing it
Pinch to zoomLet people zoom the page
FullscreenHide the status and navigation bars
Open external linksSend outside links to the browser

Launcher icon

PNG, JPG or WebP, 1024×1024 recommended. Android sizes (mdpi to xxxhdpi, plus round) are generated at build time.

Offline and caching

Choose how the app behaves without a connection.

Offline storageKeep downloaded files after the app restarts
Update when onlineRefresh content when a connection is available

Cache mode

instApped SDK for developers

Your HTML can save files and ZIP bundles to private storage that works offline.

CastelApp.downloadData(url, key, callback) CastelApp.downloadBundle(url, key, sha256, callback) CastelApp.bundleUrl(key, path)

Preview

See your app in a phone frame.

Add a source to see a preview.

Pre-build check

We look for problems before you spend a build.

Run the check to see results.

Build

Creates an APK for testing and an AAB for Google Play.

Sign the release AABRequired for Google Play uploads

Projects

Your drafts and past builds, saved on this device.

Settings

Preferences for this factory.

Appearance

 

Theme

Create screen layout

Defaults and connection

Used when you create a new app.

Use the hosted build bridge URL. Leave the default unless your administrator provides another endpoint.

Backup

Move your projects to another device.