DO NOT BUY PREMIUM Version!! App stopped synching 7/27/2019 and is no longer supported. I got Premium to sync to new phone since I've been using the app for over a year and wanted to keep tracking. $10 wasted! Very disappointing because basic version is great - simple but fully functional and effective for tracking up to 5 habits. Good visuals and the ability to make notes. Premium = tracking >5 habits and syncing across devices but no more! Would be 4 stars if still supported and worked.