If you have signed up for a recurring subscription using your iOS device and our Mavshack App please note below how to cancel the same.


Manage your auto-renewing subscriptions
You can buy auto-renewing subscriptions from within an app, from the App Store, or from Apple TV (2nd or 3rd generation). After you buy, you can manage your auto-renewing subscriptions using your computer, iPhone, iPad, or iPod touch.

Use your iPhone, iPad, or iPod touch to manage subscriptions
From the Home screen, tap App Store.
Tap Featured from the menu at the bottom.


Scroll to the bottom of the page and tap your Apple ID. If you don't see your Apple ID, tap Sign In and enter your information. Then tap your Apple ID.
Tap View Apple ID.
If prompted, enter your password and tap OK.
On the Account Settings screen, scroll down and tap Manage App Subscriptions. 
Tap the subscription you want to manage, then choose a subscription category.
Use the options to manage your subscription. You can choose a different subscription period, or turn off Auto-Renewal.



Use your computer to manage subscriptions
Open iTunes.
If you're not signed in, go to Store > Sign In and enter your information.
Go to Store > View Account. If prompted, enter your password and then click View Account.
On the Account Information page, scroll to the Settings section. 
Click Manage to the right of Subscriptions.


Choose the subscription you want to manage.
Use the options to manage your subscription. You can choose a different subscription period, or turn off Auto-Renewal.
Options to manage selected subscription.



Learn more
If you use Family Sharing, subscriptions will be charged to the family organizer's credit or debit card.
If you don't see a subscription in iTunes and are still being charged, you'll need to contact support@mavshack.com directly to cancel your subscription.
To buy third-party subscriptions from your Apple TV, you need software version 5.0 or later.

Hope this helps clarifying how to cancel subscription made by inApp Purchase.