You can cancel your Mr. Number Premium subscription at any time without uninstalling the app. Canceling stops future renewals. You retain Premium access through the end of the current billing period.
Android
Subscriptions purchased through Google Play are managed in your Google account. Follow Google's instructions to cancel: Cancel a subscription on Google Play.
iPhone
Subscriptions purchased through the App Store are managed in your Apple account. Follow Apple's instructions to cancel: Cancel a subscription on iPhone or iPad.