Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals. In order to support the user during his training, the app provides stopwatches, which can be configured according to the user’s own training and resting phases. In addition, the app reminds the user of previously defined training sessions via a notification.

To check the user’s goals and to recognize training progress, the app offers the possibility to retrieve statistics about the training times and the calories burned in a daily, weekly or monthly overview.


This app is part of the Privacy Friendly Apps group
developed by the research group SECUSO at Karlsruhe Institute of Technology.

How does Privacy Friendly Interval Timer differ from other similar apps?

1) Minimal permissions
Privacy Friendly Internval Timer requires the persmission "Run at startup" to automatically restart the motivation notifications when the phone reboots.

For comparison: The Top Ten similar apps from the Google Play Store, require an average of 9,1 permissions (September 2017). These are for instance the permission to access accounts, permissions to access, modify or delete storage and access to networks or the internet.

2) No advertisement
Moreover, Privacy Friendly Ludo distinguishes from many other applications in the way that it completely relinquishes advertisements. Advertisement might track a user's actions. It could also shorten battery life or use mobile data.


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Job opening - https://secuso.aifb.kit.edu/english/Job_Offers.php