This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.



245+ iOS apps curated and reviewed
With an average user rating of 4.6★, the sleep calculator plus category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (14) | No | No | Jul 2026 | |
| 2 | Free was $0.99 | 5.0★ (1) | No | No | Aug 2026 | |
| 3 | Free | 5.0★ (75) | No | No | Aug 2026 | |
| 4 | Free | 4.9★ (13) | No | Yes | Aug 2026 | |
| 5 | Free | 4.3★ (22K) | Yes | Yes | Aug 2026 | |
| 6 | Free | 3.0★ (2) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.7★ (19) | No | No | Jul 2026 | |
| 8 | Free | 3.7★ (22) | No | No | May 2026 |



This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.



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.






This app helps you determine the optimal times to go to sleep and wake up to align with your natural 90-minute sleep cycles. It calculates ideal bedtime based on your desired wake-up time and vice-versa, promoting a more rested feeling upon waking. It also includes features for tracking sleep phases and a smart alarm to wake you gently.


This app helps you determine optimal sleep and wake times to feel more rested. It calculates ideal bedtimes based on your desired sleep duration and natural sleep cycles.


This smart alarm clock tracks sleep patterns, wakes you gently during your lightest sleep phase, and analyzes sleep quality. It provides insights into sleep debt, offers relaxing sounds to help you unwind, and can sync with health apps for comprehensive data tracking.


Optimize your sleep by calculating ideal bedtime and wake-up times based on natural 90-minute sleep cycles. Includes relaxing sounds and meditation to help you fall asleep faster and wake up feeling refreshed.


Calculate expected daily yields for ingredients and berries. Determine the amount of candies and shards required for leveling up. Streamline resource management for your game.


This free utility helps you determine optimal wake-up times based on sleep cycles. It aims to reduce grogginess by recommending times to rise at the end of a sleep cycle, promoting a more alert feeling.




This app helps you wake up feeling refreshed by tracking your sleep cycles. It calculates the optimal time to go to bed or wake up based on your sleep patterns and allows you to set an alarm for the ideal moment.


This app records sleep sounds, detects snoring with AI, and offers a smart alarm to wake you during light sleep. It also features a snoring cessation tool and provides detailed sleep statistics to help you understand factors affecting your rest.


This app automatically tracks your sleep duration and quality using your Apple Watch. Gain insights into your rest patterns to improve your sleep routines. Offers both automatic and manual tracking options for personalized control.


This app helps you fall asleep, stay asleep, and wake up refreshed with advanced sleep cycle analysis and a smart alarm. It offers detailed sleep tracking, soundscapes, and integration with Apple Health.


This app analyzes your sleep stages, providing individual scores for deep, REM, and light sleep. It visualizes your sleep patterns on a clock face and helps you understand how daily factors affect your sleep quality. It also connects daytime activity to nightly recovery and forecasts sleep quality based on trends.


Optimize your sleep and wake up feeling refreshed with this science-based sleep optimizer. It calculates ideal bedtimes and wake-up windows based on your sleep cycles, featuring a smart alarm and detailed sleep tracking.


This app helps you wake up on time with challenging alarms and a smart sleep cycle calculator. It also offers relaxing sounds and bedtime reminders to improve sleep quality and establish better sleep habits.


This app calculates optimal bedtimes and wake-up times based on natural sleep cycles to help you feel more refreshed. It features a user-friendly interface with personalization options and privacy-focused design.




This app enhances sleep quality by tracking and analyzing sleep cycles, duration, and quality. It offers smart alarms, snore detection, and personalized insights to help users wake up refreshed and build healthier sleep habits.


This app helps you fall asleep easily and wake up refreshed with guided breathing, mindfulness sessions, and calming sounds. It also tracks your sleep and snores to help you understand and improve your sleep habits.