Privacy Friendly Apps - improved privacy protection on the smartphone

The group Privacy Friendly Apps a collection if Android-Applications, which are optimized based on privacy. This means that only a minimum of permissions is used. There are no unnecessary permissions, e.g. a torch application would ask for a permission to read the contacts.

Privacy Friendly Apps do not contain any kind of advertisement or tracking mechanisms. So user data is neither recorded nor sent to any third party.

All source codes of Privacy Friendly Apps are publicly available in the internet on the github platform (Link to So anybody could proof that the software solely has the properties mentioned in the description. The property is called Open Source and the choosen Open Source lisense (GPLv3) allows anybody to refine or enhance the applications as long as they are published under the same lisense.

Summary: All Privacy Friendly Apps:

  • are Open Source (GPLv3) and their source code can be viewed an Github by anybody
  • used minimal permissions
  • do not neither tracking mechanisms nor advertisement

Besides the Google Playstore the Privacy Friendly Apps are available in the F-Droid Store as well. F-Droid is an alternative app store for Android applications only containing applications which are Open Source. The source code of any F-Droid application is publicly available. Whenever possible F-Droid compiles the application from the code by itsself. So it is ensured that the application actually belongs to the source code. During this procedure F-Droid checks the application regarding security issues (e.g. bugs) and privacy issues (e.g. tracking mechanisms).

F-Droid can be used without an extra account, it does not store any user data. Unfortunately, it is not available in the Google PlayStore, so it has to be installed by the user manually. To do so the store application can be downloaded under . Before installation it must be assured that the installation of software from unknown sources is allowed on the smartphone. This can be done under Settings > Security


All of these apps can be found in the Google Play Store and in the F-Droid Store for open source software as well.

More information can be found on the web sites of the corresponding app:

Fitness and Health

Interval Timer and Circuit Training
Pain Diary


QR Scanner
Shopping List
Ruler and Tape Measure
To-Do List


Memo Game
Game of Dice
Reckoning Skills
Boardgame Clock


Password Generator
Net Monitor
PIN Mnemonic


If you have any questions please feel free to contact Melanie Volkamer.

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