Payment for all Dr Zio apps will be charged to your Google Play Account after confirmation of purchase. Your Dr Zio apps subscription will automatically renew unless auto-renew is turned off on your device.
If auto-renew is turned off in the middle of any subscription period, you will still have access to all premium features until the end of the period.
No partial refunds will be given for turning off auto-renew in the middle of a subscription period. You can manage your subscription or turn off auto re-new in your Google Play Account settings after purchase.