# Circadian Rhythm: Body Clock — Sleep Tracker & Energy Booster

> App to track circadian rhythm for improved sleep, energy, and focus. (iPhone/iPad app by Joaquin Marticorena.)

- Source: https://appshunter.io/ios/app/circadian-rhythm-body-clock/id6737418117 (this page in markdown: same URL + `.md`)
- Developer: [Joaquin Marticorena](https://appshunter.io/developer/1774135480)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.43/5 from 7 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 11 MB
- Languages: English
- Released: 2024-11-05
- Data updated: 2026-08-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/circadian-rhythm-body-clock/id6737418117/reviews.md

## What is Circadian Rhythm?

Unlock the power of your circadian rhythm the ultimate app for aligning your daily routines with your body’s natural biological clock. Discover personalized insights to improve sleep quality, boost energy levels, and enhance mental focus by following your circadian rhythm.

Key Features:
- Circadian Rhythm Tracking: Visualize your body’s daily cycle with our Circadian Clock to see when you’re naturally wired for sleep, energy, peak focus, and rest.
- Sleep Insights: Track your bedtimes and wake-up times, and view trends that help you sleep better and wake up refreshed. Identify your optimal sleep window based on your circadian rhythm.
- Cortisol, Melatonin & Testosterone Peaks: Learn when your body releases hormones, and optimize your routine to feel your best during peak hours.
- Daily Alerts: Get notified of your body’s key rhythm (such as cortisol peak and melatonin rise) so you can plan your day for maximum productivity.
- Mood Tracking: Record how you feel upon waking and throughout the day to understand how your rhythm affects your mood and well-being.
- Sunlight Guidance: Harness the power of natural light to regulate your rhythm. Discover the best times to soak up sunlight to boost energy, improve sleep, and elevate your mood.
- Personalized Recommendations: Receive actionable tips to shift your habits and optimize your health by syncing with your body’s natural clock.


Circadian Rhythm empowers you to harness your biological rhythm for better sleep, productivity, and overall health. Ideal for anyone looking to optimize their day and embrace natural energy levels.

Download Circadian Rhythm now to align your life with your body’s clock and achieve lasting well-being.


Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Circadian Rhythm Tracking
- Sleep Insights & Trends
- Hormone Peak Information
- Daily Rhythm Alerts
- Mood Tracking
- Sunlight Guidance
- Personalized Recommendations

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Circadian PRO | $4.99 | per month |
| Circadian PRO | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/circadian-rhythm-body-clock/id6737418117/reviews.md

### 5/5 — Great App!!!

*2026-06-20*

I have used a lot of Circadian apps, by far this is the easiest one to understand. I have a very unusual sleep and work schedule, and this app had me on track within about a week.  My wife now uses the app and is getting the same results. There is also an addition of a watch app with a subscription, but is worth it to have everything at a glance without using the phone.

I will guarantee if you follow the information from the app, you will get the same results.

## Frequently asked questions about Circadian Rhythm

### What is Circadian Rhythm: Body Clock?

Circadian Rhythm: Body Clock is an app designed to help you understand and align your daily activities with your body's natural biological clock. It provides insights into sleep patterns, energy levels, and hormone cycles to optimize your well-being.

### How does Circadian Rhythm: Body Clock track my rhythm?

The app visualizes your body's daily cycle, showing when you are naturally inclined for sleep, energy, peak focus, and rest. It also tracks bedtimes and wake-up times to identify optimal sleep windows based on your rhythm.

### Can Circadian Rhythm: Body Clock help with mood?

Yes, it includes a mood tracking feature. You can record how you feel upon waking and throughout the day to understand how your circadian rhythm influences your mood and overall well-being.

### Does Circadian Rhythm: Body Clock offer personalized advice?

The app provides personalized recommendations and actionable tips to help you shift your habits and optimize your health by syncing with your body's natural clock. It also offers sunlight guidance for regulating your rhythm.

### What devices support Circadian Rhythm: Body Clock?

Circadian Rhythm: Body Clock is supported on iPhone, iPad, and iPod. It is designed for iOS devices.

### Is Circadian Rhythm: Body Clock free to use?

The app is free to download and use. It offers in-app purchases for additional features or content.

### How often is Circadian Rhythm: Body Clock updated?

The latest version, 2.0.1, was released on May 29, 2026. Updates are released to improve functionality and add new features.

### What is the age rating for Circadian Rhythm: Body Clock?

Circadian Rhythm: Body Clock has an age rating of 4+. This indicates it is suitable for users of all ages.

## Version history (last 5 releases)

### 2.0.2 — 2026-06-14

Fixes and improvements

### 2.0.1 — 2026-05-29

Circadian Rhythm 2.0 is here! Enjoy brand-new widgets, a beautifully redesigned UI, full Apple Watch support, and an all-new Daily Protocol screen.

### 1.2 — 2025-06-18

This version of Circadian Rhythm includes a new onboarding flow

### 1.1 — 2024-12-18

New title: 'Circadian Rhythm: Body Clock' and add Paywall (lifetime pro for $4.99)

### 1.0 — 2024-11-06

No release notes.

## Apps similar to Circadian Rhythm

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Circadian: Your Natural Rhythm](https://appshunter.io/ios/app/circadian-your-natural-rhythm/id1495373007) | 4.6 (659) | Free | Health & Fitness |
| [Bedtime Habits](https://appshunter.io/ios/app/bedtime-habits/id6739502296) | — | Free | Health & Fitness |
| [Lune: Bedtime Sleep Routine](https://appshunter.io/ios/app/lune-bedtime-sleep-routine/id6478384948) | 3.8 (193) | Free | Health & Fitness |
| [My Sleep Affirmations](https://appshunter.io/ios/app/my-sleep-affirmations/id1575540432) | 4.4 (54) | Free | Health & Fitness |
| [Peace: Meditation & Sleep App](https://appshunter.io/ios/app/peace-meditation-and-sleep-app/id6738571861) | — | Free | Health & Fitness |
| [Arcasync](https://appshunter.io/ios/app/arcasync/id6449750592) | 4.0 (1) | Free | Health & Fitness |

## More apps by Joaquin Marticorena

- [Mental Math: Brain Game](https://appshunter.io/ios/app/mental-math-brain-game/id6736963798)
- [Periodic Table: smart elements](https://appshunter.io/ios/app/periodic-table-smart-elements/id6737107318)
- [Glycemic Index AI food scanner](https://appshunter.io/ios/app/glycemic-index-ai-food-scanner/id6739586894)
- [Trip AI: travel planner](https://appshunter.io/ios/app/trip-ai-travel-planner/id6740757713)
- [Micronutrient: Vitamin Tracker](https://appshunter.io/ios/app/micronutrient-vitamin-tracker/id6744358393)

All apps by Joaquin Marticorena: https://appshunter.io/developer/1774135480

## Related topics

[circadian rhythm](https://appshunter.io/ios/topics/circadian-rhythm) · [circadian clock](https://appshunter.io/ios/topics/circadian-clock) · [circadian](https://appshunter.io/ios/topics/circadian) · [my circadian rhythm](https://appshunter.io/ios/topics/my-circadian-rhythm) · [circadian rhythm light meter](https://appshunter.io/ios/topics/circadian-rhythm-light-meter) · [my circadian clock](https://appshunter.io/ios/topics/my-circadian-clock)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-06.*