Sleep Cycle - Sleep Calculator

Name: Sleep Cycle - Sleep Calculator
Rating: 4.0526314 (745 reviews)
Author: Mystic Mobile Apps GPS Tools

By: Mystic Mobile Apps GPS Tools

Sleep and wake up in most natural way with sounds of the nature.

Features & Capabilities

Sleep Cycle - Sleep Calculator is a Chrome extension designed to help you sleep and wake in the most natural way. It calculates optimal times to fall asleep and wake up based on 90-minute sleep cycles, ensuring you avoid grogginess and start each day full of energy.

Featuring eight soothing natural sounds including Bird Song, Seaside Sounds, and Gentle Piano, the extension gradually increases volume to wake you gently. You can set wake-up times, sleep times, or even calculate wake-up times based on when you fall asleep. With light and dark themes and a built-in alarm browser, Sleep Cycle is perfect for modern users seeking better sleep quality and punctuality.

User Growth & Download Statistics

App

By:

Mystic Mobile Apps GPS Tools

Downloads:

131,138 27

Rating:

4.05

(745)

Version:

2.43 Last updated: 2026-06-24

Version code:

342

Creation date:

2018-12-17

Publisher country:

Permissions:

android.permission.FOREGROUND_SERVICE_SYSTEM_EXEMPTED Moderate risk
android.permission.READ_BASIC_PHONE_STATE Moderate risk
com.google.android.gms.permission.AD_ID Moderate risk
android.permission.ACCESS_ADSERVICES_AD_ID Low risk
android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
android.permission.ACCESS_ADSERVICES_TOPICS Low risk
android.permission.ACCESS_WIFI_STATE Low risk
android.permission.CHANGE_WIFI_STATE Low risk
android.permission.FOREGROUND_SERVICE Low risk
android.permission.INTERNET Low risk

Size:

25.07MB

Email:

su*****@mysticmobileapps.com

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-06-28

Compare stats and ranking:

Ranking

# 188,839 ▲ 31

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.

Developed by:

Mystic Mobile Apps GPS Tools

Google Play Store

https://play.google.com/store/apps/details?id=com.freemium.android.apps.sleep.calculator

Email:

su*****@mysticmobileapps.com

Website:

https://mysticmobileapps.com/

User Reviews

Users appreciate the app for its ease of use, sleep tracking, and helpful wake-up timing, contributing to better rest and refreshed mornings. However, multiple users report inconsistent alarm performance, such as alarms not sounding or setting alarms for the wrong day. The presence of ads is noted, though generally tolerated. Overall, the app positively impacts sleep habits but has issues with alarm reliability that affect user satisfaction.

Pros

Helps track personal sleep data and improve sleep hygiene.
Easy to use and simple interface.
Provides helpful recommendations for wake-up times based on sleep cycles.
Users feel more refreshed and better in the mornings after using it.
Ads are short and not very intrusive for most users.

Cons

Alarm is inconsistent; sometimes it does not go off as expected.
Wake time feature sets the alarm for the current day instead of the next, causing confusion.
Presence of ads, with some users questioning the availability of an ad-free version.
Some users feel the sleep monitoring feature does not make sense or fails to monitor sleep properly.