It has push, but you can only stay logged in for 30 minutes, while aim keeps you logged on for 24 hours? Come on...

Nice to have something free that can measure stress without needing a heart monitor. But I think when the pulse gets higher it becomes less accurate when compared to other apps. I wish I could see the raw HRV score.

Nice tuner for alternate tunings. Just wish it showed +-50 cents digitally, like aptuner for windows.

Not bad. Volume needs to be louder. Needs a sleep button. Support website doesn't work.