Subscriptions from the MyNetDiary or PlateAI Android app are processed by Google, not by us. Sometimes, Google needs more time to process a particular transaction, and the upgrade only happens after a few hours. When the user subscribes, Google creates an order and sets the schedule to process the actual charge for the pending payment.
Before an upcoming charge, Google has to check that the user has sufficient funds. Until completing such verification, the app shows that the subscription expires in three days (grace period.) Google adjusts the membership length after the customer's form of payment authorizes a particular amount for an upcoming successful charge, and after it passes all risk checks. If you don't get access to the upgraded features after you tap the Upgrade button, please double-check that the payment method in your profile with Google Play is valid. If Google cannot charge for three days, the membership automatically downgrades back to the Free level at the end of the grace period.
If you see in your bank account that your payment went through, but you still do not have access to all the features in the app, please forward your order receipt email to support@mynetdiary.com for more help.