# Biorhythm vs Faircrest CA

The clearest difference is ads: Faircrest CA at none against Biorhythm's shown. Faircrest CA also leads on iOS requirement (15.6 vs 17.0). Biorhythm's advantage is update cadence (monthly vs every 39 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Biorhythm ships an update monthly, Faircrest CA every 39 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Biorhythm | Faircrest CA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.9K ratings)](https://appshunter.io/ios/app/biorhythm-365/id570628630/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 45 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Jeonghwan Kim](https://appshunter.io/developer/429842114) | [MokoApp](https://appshunter.io/developer/1082075735) |

## What reviewers say

### Biorhythm

[App page](https://appshunter.io/ios/app/biorhythm-365/id570628630)

Understand your daily physical, emotional, and intellectual cycles. This app provides insights into your biorhythms, helping you make informed decisions and avoid potential risks by analyzing your daily, weekly, and monthly patterns.

**Highlights:** Daily biorhythm tracking, Physical, emotional, and intellectual cycles, Graph and value display, Future biorhythm preview, Share biorhythm data, Accurate algorithmic calculations

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and understand
- 🚀 Accurate and informative
- 💡 Helpful for planning and self-awareness
- 🔍 Useful for tracking personal rhythms
- 📈 Tracks biorhythms over time

**What reviewers complain about**

- 🔒 Limited to one user profile
- 🔍 Lacks ability to compare multiple profiles
- 📝 Difficult to change birth date once entered
- 💰 Ads prompt for paid version
- 🔍 Lacking detailed explanations and instructions

**Reported bugs**

- Birthday icon does not always function as expected
- App freezes or crashes on some devices

**Requested features**

- Add ability to track multiple user profiles
- Implement date/month scrolling for easier navigation
- Provide more detailed information and explanations
- Include option to remove ads without paid upgrade


### Faircrest CA

[App page](https://appshunter.io/ios/app/faircrest-ca/id1668302612)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm free?

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

### Is Faircrest CA free?

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

### Do Biorhythm or Faircrest CA have ads?

Biorhythm shows ads; Faircrest CA does not.

### Which is updated more often, Biorhythm or Faircrest CA?

Biorhythm ships an update monthly, and Faircrest CA every 39 months. Most recently, Biorhythm was updated on October 16, 2026 and Faircrest CA on October 9, 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.*