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Sleep Calculator +

Sleep Calculator +

Find Your Perfect Sleep Time

1 ratings
1 review
💪 Health & Fitness
🔍 Reference
$0.99 Free

Lowest price: Free a year ago (-100%)

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Price history

Details

  • Released
  • Updated
  • July 8, 2025
  • July 11, 2025

Features

Developer

Wuhan Switch Tech. Co., Ltd.
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Sleep Calculator + screenshot #1 for iPhone
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Sleep Calculator + screenshot #3 for iPhone
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ipad
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About

This app calculates your ideal bedtime and wake-up times using a 90-minute sleep cycle theory. It features a night-friendly interface and offers professional sleep advice to help you wake up refreshed.

✓Optimal sleep time calculation
✓90-minute sleep cycle theory
✓Night-friendly interface
✓Professional sleep advice
✓Accounts for fall-asleep time
✓Supports 11 languages
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What's New in Sleep Calculator +

1.0.2

July 11, 2025

improve user experience

User reviews

Most RecentHighest RatedLowest Rated

Simple and Accurate Sleep Companion

Sleep Calculator has completely changed the way I manage my sleep schedule. It accurately calculates the best wake-up times based on when I go to bed, so I wake up feeling refreshed of groggy. The interface is clean and intuitive, with no annoying ads or unnecessary features. I essentially love the gentle reminders that help me prepare for bedtime. If you want to improve your sleep quality and feel more energized in the morning, this app is a must-have!
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FAQ

How does Sleep Calculator + determine my perfect sleep time?

Sleep Calculator + uses a scientific 90-minute sleep cycle theory to calculate optimal bedtime and wake-up times. It accounts for your estimated fall-asleep time to ensure you wake during a light sleep phase.

What devices is Sleep Calculator + compatible with?

Sleep Calculator + is designed for both iPhone and iPad devices, offering a seamless experience across Apple's mobile platforms.

Does Sleep Calculator + have ads?

No, Sleep Calculator + is ad-free, providing an uninterrupted experience for users focused on improving their sleep.

How often is Sleep Calculator + updated?

The app was last updated on July 11, 2025, indicating active development and support from the developers. This suggests regular updates for improvements and bug fixes.

What is the age rating for Sleep Calculator +?

Sleep Calculator + has an age rating of 4+, making it suitable for a wide range of users interested in sleep optimization.

Can I use Sleep Calculator + offline?

While the description doesn't explicitly state offline functionality, the core calculation based on sleep cycles and user input is likely to function without an internet connection. However, features like accessing professional sleep advice might require connectivity.

What languages does Sleep Calculator + support?

Sleep Calculator + offers global support with full multi-language localization, including 11 different languages to cater to a diverse user base.

What do users like about Sleep Calculator +?

Based on the single rating available, users have given Sleep Calculator + a perfect 5.0 stars. This suggests a high level of satisfaction with its scientific algorithm, simple operation, and precise calculations.