Here you can edit your Test Type preferences, and Audio preferences, as well as change the number of words per learning session or per reviewing session.
In Audio preferences you can switch the audio off altogether, or disable/enable audio tests or sound effects only.
Here you can also change your Learning Session Preferences, by selecting how many words you would like to learn or review per session.
You can also set a Daily reminder to remind you to log in and learn everyday on Memrise. You will be able to select the best time for the reminder to be sent to you.
Related articles: How to edit your profile in the iOS App Signing in and Registering in the iOS App Learning and Reviewing in the iOS App Data usage and offline learning explained in the iOS App Sound is not playing in my app. Why? Daily goal in the iOS App explained