App Store
Version 2026.10.25 · 2026-10-26
■ App for iOS: - updated for iOS 27.0. - added support for iPhone Duo. ■ App for iPadOS: - updated for iPadOS 27.0. ■ App for watchOS: - updated for watchOS 27.0.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 2026.10.25, updated 2026-10-26.








Store screenshots supplied by the developer.
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.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
■ App for iOS: - updated for iOS 27.0. - added support for iPhone Duo. ■ App for iPadOS: - updated for iPadOS 27.0. ■ App for watchOS: - updated for watchOS 27.0.
extension-appWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
From the store listing. Billing terms are read from each purchase’s name — the stores don’t publish them — so treat them as a strong hint, not a disclosure.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.