Natural cycles, biorhythm & bedtime calculator for better sleep, energy & health
4.11ยท867 reviewsยท100,000+ downloads
About Circadian: Your Natural Rhythm
Circadian: Your Natural Rhythm is a health & fitness app developed by Natural Cycles.
Download Statistics
Circadian: Your Natural Rhythm has been downloaded 190 thousand times. In the last 30 days, the app was downloaded 3.7 thousand times.
User Ratings
Circadian: Your Natural Rhythm is rated 4.11 out of 5 stars. The rating is based on 870 ratings.
App Information
Circadian: Your Natural Rhythm is FREE to download. The APK download size is 38.48 MB. The latest version available is 7.4.2. The last update was on July 6, 2026.
Technical Requirements
Circadian: Your Natural Rhythm requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2020.
Description
๐ OPTIMIZE YOUR NATURAL CYCLES & BIORHYTHMS TO RISE, SLEEP, THINK, AND EAT AT IDEAL TIMES
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Comments on Circadian: Your Natural Rhythm for Android
โ โ โ โ โ Samuel Shinglerยท Nov 10, 2024
Love the ability to sync alarms to sunset and sunrise!
โ โ โ โ โ Merritt DuPreeยท Sep 30, 2025
This app helps me optimize my day and get synced with the circadian rhythm wherever I am. I definitely recommend. Over time, I have used the alarms less. I don't need one to wake up anymore, yay! There are quite a few tech bugs. The app has randomly reset itself a few times and all of my alarms and settings have to be redone. Sometimes alarms go off randomly without me having turned them on, or they'll go off at the completely wrong time.
โ โ โ โ โ Jacob Heringmanยท Nov 16, 2024
An ideal circadian guide, everything I could possibly want to help me with sunrise/set, UVA, UVB, and much more!
โ โโโโPRATEEK KRISHNIAยท Mar 19, 2025
Worst app ever seen in my life always stop and circle at the location enter page and does not move forward after adding location in it manually due to their problem of auto location even though after following all correct steps .it has not been opening a single time. I just want to check it after it has come in the newspaper today about its owner and it's benefits, so I thought to check, but it doesn't open only and has proved that the newspaper apps printed are wrong as they never works
โ โโโโAllison Stuartยท Jan 30, 2025
The morning alarm went off, over and over, with no popup or notification to stop it. I had to restart my phone. Could be a good app, but it's unusable as is.
โ โ โโโJeroen Doesburgยท Mar 30, 2025
The app does not take DST into account in my location (Europe). All times are one hour off as of this morning ๐. Glad I didn't claim the various xx % off offers for an app that doesn't get something basic like this right. My Circadian (which has a very cluttered interface unfortunately) does get the times and time slots for sunrise, uva, uvb and sunset right, so I'm afraid I'll have to use this for the time being.
Google Play Rankings for Circadian: Your Natural Rhythm
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Technologies used by Circadian: Your Natural Rhythm
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