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  • Sleep Calculator Pro screenshot 1
  • Sleep Calculator Pro screenshot 2
  • Sleep Calculator Pro screenshot 3
  • Sleep Calculator Pro screenshot 4

About Sleep Calculator Pro

Good day starts with good morning! Go to bed at the right time and wake up in between your natural 90-minute sleep cycles to feel rested and refreshed. A good night's sleep consists of 5-6 complete sleep cycles. ◦ Select when you want to wake up ◦ Calculate your best time to go to sleep ◦ Calculate the best time to wake up It takes an average human about 15 minutes to fall asleep. If you wake up at one of the calculated times, you'll rise in between 90-minute sleep cycles. Sleep Calculator helps you decide when to go to bed so that you can wake at a specific time ensuring a good night’s rest, or what time you should wake up if you want to go to bed right now. If you want to determine your real sleep cycles - our Sleep Tracker functionality allows you to track and analyze your sleep and, if done correctly, will show you your sleep progress – when you were in light, deep or REM (dream) sleep phase and the breakdown of your sleep cycles. Snoring/noise detection can be enabled as well. Our Smart Alarm will wake you up gently in the lightest sleep phase, making sure you wake up easy and rested. Bedtime notifications can also be set up so that you do not miss a proper time to go to sleep.

Ratings & reviews

5.0

76 ratings

5 ★ 97% 4 ★ 3% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 1.2.153 · Updated September 25, 2026

• 11 new languages (beta): Czech, Dutch, French, German, Hungarian, Italian, Polish, Portuguese, Spanish, Swedish and Turkish • Live Activity: follow your sleep tracking right on the Lock Screen • Improved backup and restore with iCloud • Stability improvements and support for the latest iOS versions

App privacy

The developer, DealWatch24 LLC, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: User ID, Device ID
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Other Diagnostic Data

Used for: Analytics

Alternatives to Sleep Calculator Pro

Looking for apps like Sleep Calculator Pro? Here are 6 similar apps on the App Store. The highest rated is Sleep Timer – Smart alarm (4.7/5), and all 6 are free to download.

Sleep Calculator Pro vs. alternatives
App Rating Price Last updated Compare
Sleep Calculator Pro 5.0 / 5 (76 ratings) Free September 25, 2026
Sleep Calculator App 3.0 / 5 (2) Free Jul 7, 2026 Compare
Sleep Timer – Smart alarm 4.7 / 5 (1,464) Free Sep 29, 2025 Compare
Sleep Time: Cycle Alarm Clock 4.7 / 5 (5,370) Free Sep 29, 2026 Compare
Sleep Cycle - Sleep Calculator 4.5 / 5 (19) Free Jul 2, 2026 Compare
Power Nap Tracker: cycle timer 4.4 / 5 (227) Free Jan 30, 2026 Compare
Sleep Tracker For Sleep Well 4.4 / 5 (2,187) Free Aug 19, 2026 Compare

Compare Sleep Calculator Pro with the top alternatives: ratings, updates, ASO score and keyword gaps →