To cancel your Majestic Membership through the app, go to Feeld Settings → Majestic Membership → Where the money goes → & then scroll down to Cancel Membership.

Alternatively, you can follow one of these direct links:
iOS: https://support.apple.com/en-gb/HT202039
Android: https://play.google.com/store/account

We advise you to cancel your subscription up to 48 hours in advance of your scheduled payment renewal.