Sleep Cycle alarm clock

Sleep Cycle alarm clock & ndash; a good alarm clock from the developer Northcube AB, whose purpose is to wake you up at the most appropriate moment for this when your body is ready for awakening. The alarm emits a signal, gradually increasing its volume. From the settings, the signal itself (for a choice of 4 sounds) and the wake-up time are available.

Compatibility: iPhone, iPad, iPod touch.