SleepMaster is described as 'Sleep monitoring and wake up alarm clock application. SleepMaster records your movements during your sleep cycles and wakes you up in the lightest sleep phase. With the help of built in accelerometer SleepMaster can detect very gentle movements without false' and is an app in the sport & health category. There are more than 10 alternatives to SleepMaster for a variety of platforms, including iPhone, Android, Web-based, iPad and Apple Watch apps. The best SleepMaster alternative is Sleep Cycle Alarm Clock, which is free. Other great apps like SleepMaster are Pokémon Sleep, SleepRecovery, SleepCast: Wireless Music Alarm Clock and Sleep Calculator.