Sleep Cycle - Tracker & Sounds

★ 4.6
iOSApp Store
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First year: Unknown

Data and scoring

Profile based on reviews and description

Profile analysed
Jun 16, 2026
App updated
Nov 1, 2026

Store sources

  • App Store · Store data seen: Nov 7, 2026 · Recently checked

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Marketing versus reality estimates how well promised features are supported; stability estimates complaints about crashes and speed. Project activity is calculated from update recency, review activity and store availability. Percentages are not guarantees or success probabilities; missing data does not mean a zero score.

What it actually doesSleep Cycle is a smart alarm clock that analyzes sleep phases via microphone or accelerometer and wakes you during light sleep; core functionality is free, but most advanced features require a mandatory subscription.

55%Marketing ≈ reality60%Stability99%Live project

Actually does

  • ✓Sleep tracking85% of reviews
  • ✓Menstrual cycle
  • ✓Alarm clock75% of reviews
  • ✓Разумное пробуждение в лёгкую фазу35% of reviews
  • ✓Progress Tracking50% of reviews
  • ✓Cloud sync10% of reviews
  • ✓Subscription95% of reviews
  • ✓Freemium90% of reviews
  • ✓Отложить будильник (встряска/двойной клик)15% of reviews
  • ✓Mood tracking10% of reviews

Claimed, but not confirmed by reviews

  • ⚠Heart rate
  • ⚠Заметки о влиянии факторов на сон
  • ⚠Отслеживание храпа
  • ⚠Помощь для засыпания
  • ⚠Data export
  • ⚠Интеграция с Apple Health

Common complaints

  • ✗Aggressive paywall and mandatory registration with payment details65% of mentions

    «Without a paid subscription you can't even enter the app. For a free trial period you need payment information.»

  • ✗Most features locked behind subscription (audio recording, statistics, notifications)55% of mentions

    «Listening to sleep recordings costs money. Full statistics costs money.»

  • ✗Expensive subscription (2350₽/year), high price point for the features offered30% of mentions

    «It's expensive. In my opinion, VERY expensive for such an app.»

  • ✗Forced registration and payment data entry required to try the app25% of mentions

    «Because there's a purchase option at the onboarding stage and you can't close the screen, you can't just use the free version.»

  • ✗Lack of support: no way to contact developers15% of mentions

    «No contact with support whatsoever, it's terrible, not a service at all»

What people praise

  • ★Effective sleep and phase analysis through microphone

    «It tracks and even detects when I get up at night. Really convenient smart alarm.»

  • ★Detailed statistics and personalized options

    «Very cool sleep analyzer with the ability to personalize options. Smart assistant is really on point.»

  • ★App works stably for many years (for some users)

    «Been using this app for 3 years with premium subscription. No problems at all. Super recommended.»

  • ★Smart wake-up in light sleep phase works

    «I've been using it for about a year, really convenient smart alarm. Honestly, I only need this app for that.»

  • ★Cloud storage and data backup

    «User asked about cloud synchronization and security of 15GB of data.»

Where to install

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