Zum Hauptinhalt springen

Englisch / English

How to get started

1. Please scan the QR code on the right with the camera function of your smartphone ("Android" when using e.g., Samsung devices, "iOS" for iPhones)

2. The PlayStore (Android) or the AppStore (iOS) will open and display the survey app "ExpiWell". Please install the app on your phone.

3. Now open the app and create a log in with your e-mail address and a personal password of your choice. You will receive a confirmation email (in case you do not, please look into your spam folder or get in touch with us).

4. Note: Please allow the app to send you push notifications, this is essential to participate in our study. Without enabling push notifications, you will not be able to complete surveys in time. Don't worry, you will be asked about this when start the app for the first time and you will also be able to disable this function at any time.

5. Please then press "Enter Access Code" at the bottom of the app´s home screen and enter: 79225.

Done! You are ready to go and participate in our study.


You can find all further information on the study process and the different app functions via the "Study" menu item on this website (in German).


Personal report & reimbursement

After completing the study, you will receive a personalized report from us.


In addition, you may also receive a reimbursement:

If you participate in the study for three months and complete at least 80% of the prompted questionnaires, you will receive 40 euros.

If you participate in the study for six months and complete at least 80% of the prompted questionnaires, you will receive a total of 60 euros.