Interval Timer (Privacy Friendly)

SECUSO - Security Usability Society

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Interval Timer (Privacy Friendly) is an open-source (GPL-3.0-or-later) Android app by SECUSO - Security Usability Society. The APK we host is 7.5 MB, it needs Android 5.0 or newer, and it declares 4 permissions.

The file on this page is Interval Timer (Privacy Friendly) 1.3.3, 7.53 MB, and it installs on Android 5.0 and newer.

We compared the signing certificate of this build with the certificate recorded the first time org.secuso.privacyfriendlyintervaltimer entered the site, and published both the file's SHA-256 and the certificate's fingerprint above so you can check the download yourself. That comparison says the file was not repackaged by someone else; it is not a review of what the app does.

The manifest inside the APK declares 4 permissions, none of which cover contacts, location, SMS, the camera or the microphone.

Its licence is GPL-3.0-or-later. We took this build from F-Droid, and the source for this exact version is linked below.

We do not show a star rating or an install count for this page: we have no measured figure for either, and a number we cannot source is worth less than an empty field.

Download APK · 7.53 MB

Version: 1.3.3
Size: 7.53 MB
Requires Android: API 21
Package: org.secuso.privacyfriendlyintervaltimer
Signature checked on: Sep 19, 2026
Where this file came from: F-Droid
Licence: GPL-3.0-or-later
Source code: Source for this version

File SHA-256: df8b55fbf5cd2e31a2cba93d641f4f8bd7988c4ea9cd2cf7c2d0317b945da847

Signing certificate (SHA-256): 617e02c61b827ee31abe2979187c2997b624d00f274209495f53703ddd4357e0

We check that this file carries the same signing certificate as earlier releases of the same package. That shows the APK was not repackaged by someone else — it is not a security review of the app.