Not bad
I kinda love this. Simple, easy to use and modify to suit individual needs. But I wish there was an option to have it vibrate. Right now it either has a tone (marimba is nice; a soft gong would also be a good option) or nothing.
Not enough ratings yet to assess Yin Yoga Timer.
Yin Yoga Timer appears to be a legitimate app. AppsHunter Legitimacy Score for Yin Yoga Timer is 90/100.
Based on 90 of 100 points across 7 verification signals from App Store and developer data.