Heartify Help Center
I have a free unlock code, how do I use it?
If you have a free Premium version code, you can enter it in the App Store app on your phone:
1)
Open App Store
2)
Tap your avatar
to see your profile
3) In your profile,
tap Redeem Gift Card or Code
4)
Tap Enter code
, enter the promo code you received and tap Done.
Managing your subscriptions