# BodyClock vs Circadacare

The clearest difference is in-app purchases: Circadacare at none against BodyClock's 3. Circadacare also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. BodyClock sells 3 in-app purchases, starting at $4.99 per month. Circadacare asks for nothing beyond the download.

BodyClock ships an update every 3 weeks, Circadacare monthly. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | BodyClock | Circadacare |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 154 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ArtisanOne Software Co., Ltd](https://appshunter.io/developer/1762634751) | [Circadacare](https://appshunter.io/developer/1751717858) |

## What reviewers say

### BodyClock

[App page](https://appshunter.io/ios/app/bodyclock-circadian-rhythm/id6651832939)

This app analyzes your health data to predict your optimal circadian rhythm for daily activities. It monitors sleep, heart health, stress, and more, offering personalized advice to enhance energy and well-being. Integrates with Apple Watch and Apple Health for comprehensive tracking.

**Highlights:** Circadian rhythm prediction, Sleep and napping monitoring, Heart health and stress tracking, Step count and sun exposure tracking, Apple Watch integration, Personalized health suggestions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BodyClock Monthly Plus | $4.99 | per month |
| BodyClock Annual Plus | $29.99 | per year |
| BodyClock Lifetime Plus | $69.99 | one-time |


### Circadacare

[App page](https://appshunter.io/ios/app/circadacare/id6736617536)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BodyClock free?

BodyClock is free to download, with in-app purchases available.

### Is Circadacare free?

Circadacare is free to download, with no in-app purchases.

### Do BodyClock or Circadacare have ads?

BodyClock shows ads; Circadacare does not.

### Which is updated more often, BodyClock or Circadacare?

BodyClock ships an update every 3 weeks, and Circadacare monthly. Most recently, BodyClock was updated on September 15, 2026 and Circadacare on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*