A. 1. Go to your iPhone's Settings, tap on your name at the top, then tap on 'Subscriptions'. Find the Sweat app and select it to manage your subscription. 2. Follow the prompts to cancel your subscription. Make sure to confirm the cancellation to avoid being charged again.

B. 3. If you encounter issues, try restarting your iPhone and attempting the cancellation process again, as this can sometimes resolve temporary glitches.