You can simply cancel your auto-renewal subscription following these steps;
- Go to your Google Play store app
- Locate the section under Subscriptions
- Under the Grindr description, you will see Cancel
- Click on it
- A pop-up message will appear, select Cancel Subscription
- A grey message will display at the bottom of the screen Subscription canceled
- You should receive an email shortly towards your cancellation.
* Google Pay Billing is currently available for Grindr 3.19.0 on Android devices ONLY for selected territories. Stay tuned for upcoming updates in your region.