Steps
- On the old phone, create a backup (see "How to back up your alarms, groups and history") and copy the file somewhere you can reach from the new phone.
- On the new phone, install Notification Tracker and give it notification access.
- Sign in to the same Google account you used for the backup.
- Open Settings > Backup/Restore > Restore Data, select the file and restore.
- Check that Notifications for alarms and Background activity show Allowed.
Your Pro plan
Pro follows your Google account. Install the app with the same account and it recognizes your plan.