It's free of charge to download the installation package of arznei-telegramm & atd, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.1 and above. This download is completely safe. Friedrich Liberti is the official developer of this application which can be found in the Medical tools category.
The developer rolled out a new version of the tool on Sep 4, 2020 and over 1K users downloaded and set up arznei-telegramm & atd. Users rated the app 3.6 on Google Play.