Timer to support square breathing. The app will notify you when to start to inhale, hold your breath with full lungs, exhale and when to hold your breath on empty lungs.
Version history
3.0
2023-06-02
new version allowing up to 10 minutes of each edge of square breathing.
2.1
2021-11-23
bug fixes and code optimization to increase performance.
2.0
2020-12-31
added visual red-dot guide to illustrate each breathing cycle.
1.2
2020-12-14
replaced all vocal announcements with the voice of a single speaker.