- Same app, same sign-in: a standard plan works in the tonestro app where you bought it. Sign in with Apple or the same email address as before; each sign-in method is its own account.
- After restoring, close the app completely and open it again. A crown on your profile picture shows that Premium is active.
- Your progress belongs to your account and syncs automatically once you're signed in.
- No account yet? Tap Sign Up in your profile on your old device and restore your purchases there first.
- iPhone to Android? In the same tonestro app on your iPhone, create a new account with your email address and restore your purchases, then sign in with it on Android. Your old progress stays behind. Piano and guitar run on iPhone and iPad.
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