Dear Commander,

The method to cancel automatic subscription for Arms Supply on iOS is as follows:

1. Tap the Settings icon on the home screen of your iPhone to enter.
2. In the Settings menu, select and tap the iTunes Store & App Store option to enter.
3. Tap the Apple ID option "Apple ID: xxx@xxx.xxx".
4. In the pop-up window, tap the "View Apple ID" option.
5. In the account menu, scroll down to find the "Subscriptions" option and tap to enter.
6. In the Subscriptions interface, tap the selected plan, uncheck the box in front of the plan amount, and follow
 the prompts to cancel the subscription.

Google method to cancel automatic subscription for Arms Supply:

1. Open the Google Play Store on your phone or tablet.
2. Check if you are logged into the correct Google account.
3. Tap Menu -> Subscriptions.
4. Select the subscription you want to cancel.
5. Tap Cancel Subscription.