Sleep Cycle
FreeSleep Cycle is a sleep tracker and smart alarm clock that analyses your sleep and wakes you in a light phase.
About Sleep Cycle
Sleep Cycle is a sleep tracking app that listens to your night using the phone microphone or motion and shows how you slept. Its smart alarm aims to wake you during a lighter sleep phase within a window you choose.
Features listed in the store include a snore recorder, sleep recorder and sleep sounds, and the app keeps nightly graphs and trends so you can spot patterns over time. It is a simple tool that does not need a wearable. It is often used as a replacement for the default alarm app, and the trends view can help you see how habits such as late caffeine affect rest. Keep the phone plugged in overnight, because tracking can use battery.
It suits people curious about their sleep habits or who want a gentler alarm. Core tracking is free, while Premium unlocks fuller history, extra sounds and more analysis. Results are estimates, not medical readings, and anyone worried about a sleep disorder should see a doctor.
Place the phone on the bed or nearby as the app instructs, and treat the graphs as estimates.
Version history
1 release tracked- iOS: Bug fixes and improvements
Frequently asked
Is Sleep Cycle free?
The basic app is free, with optional Premium for extra features.
Does it need an account?
You can start without one, but an account helps back up your data.
Which platforms does it run on?
Android and iOS.
Where does the download link go?
Directly to sleepcycle.com or the official app store for your platform. PlanetSofts never rehosts installers or adds wrappers, and these links were last verified Oct 6, 2026.