Apps like WatchPAT

Here are some great alternatives to WatchPAT by Itamar Medical :
SnailSleep：Sleep&Snore Tracker
SnailSleep：Sleep&Snore Tracker
★3.7
Sleep Tracker - Sleep Cycle
Sleep Tracker - Sleep Cycle
★3.8
SleepBreathe
SleepBreathe
★3.5
Sleep Sounds: Sleep Tracker
Sleep Sounds: Sleep Tracker
★3.9
ShutEye®: Sleep Tracker
ShutEye®: Sleep Tracker
★4.7
Sleep Tracker - Sleep Recorder
Sleep Tracker - Sleep Recorder
★4.7
Mintal Tracker: Sleep Recorder
Mintal Tracker: Sleep Recorder
★3.4
Sleep Tracker: Sleep Cycle
Sleep Tracker: Sleep Cycle
★4.2
Sleep Hours Alarm
Sleep Hours Alarm
★3.8
Sleep.com: Sleep Cycle Tracker
Sleep.com: Sleep Cycle Tracker
★3.7
Kospet Watch
Kospet Watch
★3.7
Sleep Monitor: Sleep Tracker
Sleep Monitor: Sleep Tracker
★4.5
Sleeptracker®
Sleeptracker®
★3.7
Sleep Routine: Tracker, Alarm
Sleep Routine: Tracker, Alarm
★3.4
NFit
NFit
★3.6
Healthy Sleep Diary
Healthy Sleep Diary
★3.5