Many mobile devices have a feature to track and limit the time spent on various apps, including mobile games. To learn more about these features, we recommend reading the following articles:

https://support.google.com/android/answer/9346420

https://support.apple.com/HT208982

To protect yourself from accidental purchases, you need to change your device settings:

For iOS devices:

1. Go to Settings — Screen Time — Enable Screen Time. If this feature is already enabled, proceed to step 3.
2. Tap Continue and choose either This is My [device name] or This is [device name] of My Child.
3. Tap Content & Privacy Restrictions. If prompted, enter your passcode and select Content & Privacy Restrictions.
4. Tap iTunes & App Store Purchases — In-app Purchases — Don’t Allow.

If you don’t want to completely disable purchases, you can set up a password request before making any in-app purchases. To adjust these settings:

1. Open the Settings app.
2. Tap your name — Media & Purchases.
3. Tap the blue account icon at the top of the screen.
4. Tap Password Settings, then select the desired option.

For Google Play devices:

1. Open the Google Play Store.
2. Tap the Menu icon — Settings.
3. Tap Authentication for Purchases.
4. Choose one of the authentication methods.
5. Follow the on-screen instructions.