Menthal is the app for digital diets, and supports a sustainable digital Lifestyle. It helps people to help themselves, by providing users with feedback regarding their smartphone interaction. At the same time it is a comprehensive study about mobile phone usage of the University of Marburg (Germany) and Murmuras (Germany). The app is ad-free and data is processed on EU servers only.

Smartphones are becoming increasingly important in our lives and accompany us almost everywhere. It has thus become possible to ask the device for directions, check email, spend time playing video games or simply surf the Internet.

In the following study we would like to scientifically assess, how often people are actually using their mobile phones. When do we go online for the first time a day, when do we first check for new email and when do we receive the first call? Additionally, it is the aim of the study to find out how differences in smartphone usage can be explained. In this context we would like to take into account classic self-report inventories from personality psychology (e.g. recording the self-perceived anxiety or sociability). More specifically, the phone shall ask questions from short versions of scales for personality assessment from personality psychology (e.g. "I am anxious" with possible answers ranging from "agree strongly" to "disagree strongly").
These single items will appear on the screen to very manageable extent (not more than one item per day). You can, of course, dismiss the request.

Because your smartphone contains very private information, we would like to explain, what information the software stores and which it does not. It does not record any personal content from emails, SMS or chat messengers (e.g. WhatsApp). Of course, it does not record personal account information or with whom you are talking/writing over the phone. We are interested in quantitative variables - how long are you online per day, when do you look on the phone for the last time in the evening and how many ads have you been exposed to per day?

In our Terms of Use and Privacy Policy, we explain exactly what information we collect and how the study design looks like.
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What's New

New features! We have improved Menthal!

You can see which ads are being shown to you on social media.

New app timeline to see when you used which app.

New data privacy policy and terms of use.

Working on new features to expand to more social media apps and others! Stay tuned!

Bug Fixing!
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Additional Information

August 26, 2021
Current Version
Requires Android
5.0 and up
Content Rating
Offered By
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