A real person reads every message. Tell us what happened and we will answer.
Open the parent screen, pass the gate and tap Restore purchases. That asks the store again and usually fixes it within a few seconds. If it does not, write to us with the email address you use for the App Store.
In your phone's Settings, tap your name, then Subscriptions. Cancel at least a day before it renews. Deleting the app does not cancel it, and we cannot cancel it for you.
Check the silent switch on the side of the phone, and the Sound row on the parent screen. If the phone is connected to a speaker or headphones, the sound is going there.
Yes. Everything is inside the app, so it works with no internet at all.
No. Nothing leaves the phone. The privacy page says exactly what that means.