Apnea Tables
https://play.google.com/store/apps/details?id=si.satt&hl=pl
Unaerobic Apnea Trainer
https://play.google.com/store/apps/details?id=com.kovalenych
Static Apnea Trainer
https://play.google.com/store/apps/details?id=com.aledthomas.statictrainer&hl=pl
=====================
http://spearo.republika.pl
https://play.google.com/store/apps/details?id=si.satt&hl=pl
Unaerobic Apnea Trainer
https://play.google.com/store/apps/details?id=com.kovalenych
Static Apnea Trainer
https://play.google.com/store/apps/details?id=com.aledthomas.statictrainer&hl=pl
=====================
http://spearo.republika.pl