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FAQ

  • Hey, Moment mal, wieso ist denn hier alles auf Englisch? Ich dachte, ihr seid aus Bonn.

      Tatsächlich spricht nur ein kleiner Teil unseres internationalen Teams Deutsch. Im täglichen Leben verwenden wir Englisch.
    • Die App ist aber auch in Deutsch verfügbar.

  • Which phone do I need to benefit from Menthal?

      The app runs on any Android phone with version 5.0 and up.

  • I have forgotten my password. How can I change it?

      Please contact us at info@menthal.org from the email address you registered with. We'll send you an email allowing you to reset your password.

  • How long do I have to wait to obtain information on my phone usage?

      You can see the apps you used immediately in the timeline. The same goes for ads that you see on social media. Please be aware that it takes 2 to 3 days to get reliable statistics on your mobile phone use because the app starts with the first data collection after the installation.

  • Are there plans to support iOS (iPhone, iPad) in the future?

      No, for technical reasons, we focus on the Android platform.

  • Which permissions does the app require?

      Menthal naturally requires an extensive set of permissions which the user must provide during installation. Most notably, the app should run as an “accessibility service”. You can however, selectively disable all forms of tracking in the app's settings.

  • How do I enable the accessibility service?

      Go to “settings”, then choose “accessibility” services, and enable “Menthal”. While this theoretically enables the app to read passwords, rest assure that it DOES NOT record any such information. For more information, please consult our privacy statement.

  • Will Menthal eat up my data plan or battery?

      No! The transferred data volume is surprisingly small, commonly comprising less than 100KB per day. Yet, to spare your data plan, we usually delay sending of the data to the server until a Wi-Fi connection becomes available.

  • What is data recorded for?

      We store data for two purposes. First, it allows us to provide feedback on your phone usage. From your phone, we receive raw data tuples without any apparent meaning. On our servers, we analyze this data, search for patterns, or compute meaningful aggregates. Second, as psycho-informatic scientists, we study mobile phone usage, and how it is linked to well-being and personality. This research lays the foundation for providing saner services and interfaces for our increasingly digital age.

  • Do you record phone calls or videos?

      No! We analyze behavior, not content. In particular we DO NOT record audio, video or written text.

  • Is my data secure?

      Yes! Your data is encrypted on your phone, and sent securely to our servers. We follow the same security standards you would find on any other sensitive webservice, such as banking or shopping.

  • My Samsung phone starts talking. What should I do?

      You need to go the settings and disable text-to-speech.

  • I want to delete my account. How can I do it?

      Please contact us at info@menthal.org from the email address you registered with. We will then mark you account for deletion. Please take into account that full deletion of your data might take up to 90 days.

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Menthal is a project of University of Marburg and Murmuras GmbH.