In the Browser and Mac App:
Click on your avatar in the upper right corner of the MeisterTask app and select My Account.
In the menu on the left, select Settings. Choose your preferred language from the dropdown menu and press Save.
Click on the MeisterTask logo in the upper left corner to go back to MeisterTask.
In the iOS App:
If you're using MeisterTask on your iPhone or iPad, the app's language will be the same as the device language you've selected. To learn how to change the language on your device, please refer to Apple's support page.
In the Android App:
If you're using MeisterTask on your Android device, the app's language will be the same as the device language you've selected. You can change the language in the Language & Input menu within your device settings.