Sleep Cycle alarm clock

4.3
AndroidGoogle Play

What it actually doesAn intelligent alarm clock that analyzes sleep phases through sound or vibration sensor and wakes during light sleep phases. The free version offers basic sleep analysis and alarm functionality; advanced features require a subscription.

40%Marketing ≈ reality45%Stability99%Live project

Actually does

  • Alarm clock
  • Menstrual cycle
  • Sleep tracking60% of reviews
  • Timer / alarm70% of reviews
  • Анализ звука для отслеживания сна (храп, дыхание)40% of reviews
  • Subscription80% of reviews
  • Free trial30% of reviews

Claimed, but not confirmed by reviews

  • Wear OS support
  • Примечания ко сну (факторы влияния: кофе, стресс, тренировки)
  • Помощь для засыпания (звуки для скорейшего засыпания)
  • Data export
  • Cloud sync

Common complaints

  • Key feature (smart alarm) moved to paid subscription without warning35% of mentions

    «Smart alarm is the most important feature of your app, that has always been free, and now you've paywalled it. Sneakily, without warning.»

  • Billing issues (unauthorized charges, refund denial)12% of mentions

    «A premium account charge went through. Without warning or notification.»

  • Alarm malfunctions (fails to trigger, stops prematurely, goes off in the middle of the night)15% of mentions

    «The alarm just stopped working»

  • Inaccurate sleep tracking (doesn't detect sleep phases, incorrect data)15% of mentions

    «Doesn't detect sleep phases, even though smartwatches can do it»

  • Compatibility issues with certain devices (Vivo, updates won't install)10% of mentions

    «On my new Vivo X300 phone, it just won't work»

What people praise

  • Easy to wake up thanks to light sleep phase awakening

    «But when I started using the Sleep Cycle app, everything changed. Now I wake up easily to the alarm.»

  • Detailed sleep statistics and charts (duration, times, sounds, snoring, alertness)

    «You can track how much I slept, what time I fell asleep, whether I coughed, talked in my sleep, and what my alertness percentage is»

  • Reliable app that users have been using for years

    «I've been using this app for a very long time. I really like everything about it.»

  • Convenient alarm control (vibration on watch, table tapping)

    «Tapping on the surface where the phone is placed is very convenient for snoozing the alarm»

Where to install