License is linked to your Google account, so if you change phone, reinstall app, ... license will be kept. Just ensure correct Google account is used.
Do a phone reboot to force license refresh (or clear google play store services cache from phone settings).
License payment is ONE time only: lifetime license.
There are two licenses (you can buy only what you need, one only or both):
- PRO license: unlock everything except external app sync (Strava, ...). This license allow you see text notifications on your band, unlock widgets, setup custom calls, reminders, ...
- External sync license: unlock only external app sync (Strava, Runkeeper, ...) There is a free trial period of 24h.
Why not only one single license for all features? We want to keep app price lower as much possible, so we have created different licenses to allow user buy only what he needs
Mi Band Notify app and Amazfit Notify app are two different app, so also licenses are different. You should buy only license you need.
MI Band PRO users will receive a special discount for second Amazfit PRO license. Discount will be applied automatically just keep install Mi Band Notify app. After purchase you can uninstall Mi Band Notify app if not required.
License cannot be restored? Check this tutorial License not found
Family option: Google doesn't allow family option for in-app purchases. Full documentation here https://support.google.com/googleplay/answer/7007852?hl=en
Lucky patcher users: You need confirm license activation by contacting support (email) and you will receive instructions to complete license activation correctly.
Hint: You can migrate Mi Band Notify app data to Amazfit Notify app using import/export backup option from main left menu