To cancel the service, please do the following at least 24 hours before your renewal date:

On iPhone:

1. Open the iPhone Settings app
2. Tap your name, then tap Subscriptions. If you don't see "Subscriptions" in the Settings app, tap "iTunes & App Store" instead. Tap your Apple ID (which is usually your email address), then tap View Apple ID. Sign in, scroll down to Subscriptions, then tap Subscriptions
3. Tap Another Number
4. Tap Cancel Subscription. If you don’t see Cancel Subscription, the subscription is already cancelled and won't renew

On Android:

1. Open the Android Google Play Store app
2. Tap Menu -> Payments & subscriptions
3. Tap Subscriptions
4. Tap Another Number
5. Tap Cancel Subscription and follow the on screen instructions