Subscribing in this service is so easy and you can do it yourself by one of the two following ways:
- By activating the mobile payment method using this link: https://apple.co/2KdVYBb
- From the device settings by following these steps:
- Go to Settings and click "iTunes & App Stores".
- Click your Apple ID and then "View Apple ID".
- Under the account settings, click "Manage payments" and then choose "Add Payment Method".
- Click "Mobile Phone" and fill in your mobile number, then click "Verify", as a verification code will be sent for activation, and a confirmation message will be sent.
Now you have activated the service, you can start enjoying buying the apps you wish for!