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App Store Apps > Utilities > EXTENSION.app
EXTENSION.app icon

EXTENSION.app

2026.10.25
X.app
4.64
4,961 reviews
Free

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Screenshots by X.app, from the the App Store listing
View on the App Store

AppBrain's verdict

EstablishedLoved by users
Rating on App Store
4.64
4,961 ratings
Last updated
October 26, 2026
Size
222.6 MB

Users love it: 4.6 stars from 4,961 ratings.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on EXTENSION.app for iOS

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Store listing

By X.app, from the App Store
Description by X.app Written by the developer, not by AppBrain. Click to read.
EXTENSION.app is the all-in-one extension app for iOS, iPadOS, iMessage, watchOS, macOS, tvOS and visionOS.

■■■ EXTENSION.app for iOS and iPadOS

■ In-App Web Browser:
- Automatic activation of "Picture-in-Picture" video mode on supported websites.
- Simultaneous playback of "Picture-in-Picture" video with other video apps, without sound.

■ In-App Video Picker:
- Selection of video files from Files app, iCloud Drive and On My Device directories.
- Selection of music videos from Music Library.
- Selection of videos from Photo Library.
- Simultaneous playback of "Picture-in-Picture" video with other video apps, with or without sound.

■ Share extensions:
- Player > Picture-in-Picture: extension activates Picture-in-Picture mode for videos.
- Player > Picture-in-Picture Mix: extension activates Picture-in-Picture mode for videos to play simultaneously with other video apps, without sound.
- Player > Fullscreen: extension activates Fullscreen mode for videos.
- Player > AirPlay: extension activates AirPlay for sharing video to another device.
- Player > Background Audio extension plays video in background.
- Supported apps: Safari, Photos, Files, Messages and other apps with a Share button.

■ Safari browser extensions:
- Player > Picture-in-Picture: extension activates Picture-in-Picture mode for videos.
- Player > Picture-in-Picture Mix: extension activates Picture-in-Picture mode for videos to play simultaneously with other video apps, without sound.
- Player > Fullscreen: extension activates Fullscreen mode for videos.
- Player > AirPlay: extension activates AirPlay for sharing video and audio to another device.
- Player > Background Audio extension plays video and audio in background.
- Player > Mute: extension mutes or unmutes video and audio.
- Player > Loop: extension loops video and audio playback.
- Player > Skip Forward and Backward: extension skips forward or backward 15 seconds of video and audio.
- Player > Next: extension skips to the next video and audio, or skips to the end of video and audio.

■ Shortcuts:
- Collection of Shortcuts to launch EXTENSION.app from Home Screen, Action Button, Tap Back or automation.
- "Browser" shortcut to open In-App Web Browser with On Screen website, Clipboard or list of suggested websites.
- "Browser > Favorite" shortcut to open favorite website.
- "Files" shortcut to open Files picker.
- "Photo Library" shortcut to open Photo Library picker.

■■■ EXTENSION.app for iMessage
- Activation of "Picture-in-Picture" video mode via Copy&Paste and Drag&Drop of a video or a website URL from a conversation.

■■■ EXTENSION.app for watchOS

■ In-App Web Browser:
- Input of a website URL to open a website.

■ Web Search:
- Supported search engines: Google, Bing or DuckDuckGo.

---

EXTENSION.app is free to use and provides an optional auto-renewable subscription.
EXTENSION+ is a Universal Subscription, which hides “Subscription Banner” at the top of the app and unlocks additional features on all supported platforms: iOS, iPadOS, iMessage, watchOS, macOS, tvOS and visionOS.
Features, which require EXTENSION+ subscription, are marked with (+) sign.

Terms of Use: https://extension.app/terms
Privacy Policy: https://extension.app/privacy

Safety and technology

Found in the app by AppBrain
Price
Free
App size
222.6 MB
Content rating
High

Technologies used by EXTENSION.app

Releases

Updates seen on the App Store
Version
2026.10.25
Launched
April 2021

No changelog data

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More from X.app

EXTENSION.app (Stickers) icon EXTENSION.app (Stickers)
X.app
5.0
Free
1 ratings

Rankings

App Store top charts

App Store Rankings for EXTENSION.app

This app is not ranked

About the app and developer

About EXTENSION.app

EXTENSION.app is an utilities app developed by X.app.

User Ratings

EXTENSION.app is rated 4.64 out of 5 stars. The rating is based on 5 thousand ratings.

App Information

EXTENSION.app is freely available from the App Store. The app size is 222.60 MB. The latest version available is 2026.10.25. The last update was on October 26, 2026.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on the App Store since April 2021.

EXTENSION.app is made and published by X.app. AppBrain is an independent app data site and isn't affiliated with X.app. The app name, icon, screenshots and description belong to X.app and are shown as published on the App Store.

Developer information for X.app

X.app

Address:

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Overview Alternatives Reviews Rankings Technology
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