# Circadacare vs Circadian AI

The clearest difference is in-app purchases: Circadacare at none against Circadian AI's 2. Circadacare also leads on iOS requirement (15.0 vs 17.0). Circadian AI's advantage is update cadence (every 10 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Circadian AI sells 2 in-app purchases, starting at $3.99 per month. Circadacare asks for nothing beyond the download.

Circadacare ships an update monthly, Circadian AI every 10 days. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Circadacare | Circadian AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (9 ratings)](https://appshunter.io/ios/app/circadian-ai-biohack-coach/id6759394024/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 19 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Circadacare](https://appshunter.io/developer/1751717858) | [Aaron Ball](https://appshunter.io/developer/1874113814) |

## What reviewers say

### Circadacare

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

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

**In-app purchases:** none


### Circadian AI

[App page](https://appshunter.io/ios/app/circadian-ai-biohack-coach/id6759394024)

This app uses AI to guide you through science-backed wellness protocols like sleep optimization, morning routines, and habit stacking. It analyzes your compliance patterns to provide personalized recommendations for improving energy, cognition, and long-term health.

**Highlights:** Track wellness protocols, AI coaching and analysis, Circadian-aware scheduling, Daily compliance scoring, Sleep optimization tracking, Personalized recommendations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circade Pro | $3.99 | per month |
| Circade Pro | $24.99 | per year |


## Frequently asked questions

### Is Circadacare free?

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

### Is Circadian AI free?

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

### Do Circadacare or Circadian AI have ads?

Neither Circadacare nor Circadian AI shows ads.

### Which is updated more often, Circadacare or Circadian AI?

Circadacare ships an update monthly, and Circadian AI every 10 days. Most recently, Circadacare was updated on September 14, 2026 and Circadian AI on September 20, 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.*