> For the complete documentation index, see [llms.txt](https://help.twinr.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.twinr.dev/extensions.md).

# Extensions

- [Overview](https://help.twinr.dev/extensions/overview.md)
- [Page Loader](https://help.twinr.dev/extensions/page-loader.md)
- [Pull to Refresh](https://help.twinr.dev/extensions/pull-to-refresh.md)
- [Custom User Agent](https://help.twinr.dev/extensions/custom-user-agent.md): This features enables you to determine the origin of the browsing request of your end-user and finally decides to show the content as per the request.
- [Custom Fonts](https://help.twinr.dev/extensions/custom-fonts.md)
- [Cache Policy](https://help.twinr.dev/extensions/cache-policy.md)
- [Dynamic Titles](https://help.twinr.dev/extensions/dynamic-titles.md): Dynamic Titles let you set navigation bar titles based on the app screen displayed.Define rules using expressions to ensure each screen shows a relevant title.
- [No Internet View](https://help.twinr.dev/extensions/no-internet-view.md)
- [App Review](https://help.twinr.dev/extensions/app-review.md)
- [App Onboarding](https://help.twinr.dev/extensions/app-onboarding.md)
- [Multi Language](https://help.twinr.dev/extensions/multi-language.md): Twinr allows the app owners to enable the multi language for their apps very elegantly. Twinr has the most effective way to auto translate the app content.
- [In-App Purchase (IAP)](https://help.twinr.dev/extensions/in-app-purchase-iap.md): In-app purchase (IAP) refers to the ability for users to purchase digital goods or services within an app.
- [iOS In-App Purchase (IAP)](https://help.twinr.dev/extensions/in-app-purchase-iap/ios-in-app-purchase-iap.md): iOS In-App Purchase (IAP) is a feature provided by Apple that allows app owners to sell digital content and services within their iOS apps. This can include things like subscriptions, premium features
- [Android In-App Purchase (IAP)](https://help.twinr.dev/extensions/in-app-purchase-iap/android-in-app-purchase-iap.md): Android In-App Purchase (IAP) is a feature provided by Android that allows app owners to sell digital content within their apps. This can include things like subscriptions, premium features.
- [RevenueCat](https://help.twinr.dev/extensions/in-app-purchase-iap/revenuecat.md): RevenueCat is a subscription management platform that simplifies in-app purchases across Android and iOS.
- [Paywall Integration](https://help.twinr.dev/extensions/in-app-purchase-iap/revenuecat/paywall-integration.md)
- [Deeplink](https://help.twinr.dev/extensions/deeplink.md): Enhance user engagement and streamline their experience, making your app more efficient and user-friendly. Elevate your app's performance with Deep Linking!
- [Force App Update](https://help.twinr.dev/extensions/force-app-update.md): Ask app users to update the app to the latest version forcefully so they can utilize new features of the app.
- [Account Delete](https://help.twinr.dev/extensions/account-delete.md)
- [Barcode / QR Scanner](https://help.twinr.dev/extensions/barcode-qr-scanner.md)