Keep your parameters: weight, blood pressure, the duration of sleep, training, foreign language lessons, etc., the number of tightenings, push-ups, etc., as well as any others. View your data in a convenient tabular and graphical form. Analyze. Develop yourself. Become better - stronger, faster, smarter!
Adaptation for the new version of iOS
Apnea Tables Trainer 
Pranayama Breathing Yoga Timer 