Version Information
- Version
- 1.0.55
- Release date
- Oct 3, 2026
- Size
- 3.9 MB
- Android
- 8.1+
- File type
- APK
- Package
- com.crazyootka.clefs
- Developer
- Crazy Ootka Software AB
About Clefs
Clefs is a compact education app from Crazy Ootka Software AB, built for learners who want a focused study tool on a phone or tablet. The listing identifies the build by the package name com.crazyootka.clefs, so you can confirm you are looking at the right release before installing. What the listing tells you This page covers the essentials of the app: it belongs to the education category, it is published by Crazy Ootka Software AB, and it is distributed under the Clefs name. The package identifier is the most reliable way to match the file on your device with the entry you are reading, especially if you keep several study apps installed at once. A small, quick install The download is 3.9 MB, which is a light footprint for an education app and leaves plenty of room for other tools. That small size usually means a short wait on a mobile connection and a fast handover to your device, without a long installation step or a large temporary footprint during setup. Device requirements The build requires Android 8.1+ or newer. Devices running that release or a newer version of the platform should be able to install it, while older handsets that fall below the requirement will not. As with any education app, keeping your device updated helps the software behave consistently. Version and release details The current build listed here is version 1.0.55, published on 2026-10-03. Version numbers like this are useful for checking whether the copy installed on your device matches the latest one shown on this page. Note that the content rating for this app is marked as unknown, so no age classification is given in the listing.