KEYCARE Patient Diary

The KEYCARE Patient Diary App helps with the documentation and evaluation of health-related data that can be important for the monitoring and success of therapy and supports the regular exchange of information with your medical professional.

This mobile application is intended for use in Switzerland only. Further information can be found in the terms of use in the app. Further information on our data protection measures can be found in our data protection declaration at

If you wish to report an adverse event related to a particular MSD product or have problems with the app, please call +41 58 618 34 67.
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What's New

Firebase has been activated for Android platform
React Native Upgrade to version 0.63.0 from 0.61.5
Additional firebase tagging
Bug fix for application crashing when picture uploaded
Bug fix for application for language switching functionality
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Additional Information

March 26, 2021
Current Version
Requires Android
4.4W and up
Content Rating
Mature 17+
Offered By
Merck Sharp & Dohme Corp
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