If you are having trouble accessing the in-app subscription that you purchased, please try the steps below.
1) Uninstall the App
2) Restart your device and make sure you're logged into the same Apple ID/Google Play Store account used to subscribe
3) Reinstall the app while on a strong wifi connection
4) Once reinstalled, go to the app Settings and select Restore Subscriptions
*Please note: The subscription will only be available under the Apple ID/Google Play account in which it was purchased.