# Multi Biorhythm2 vs Biorhythm Calculator

The clearest difference is in-app purchases: Multi Biorhythm2 at none against Biorhythm Calculator's 3. Multi Biorhythm2 also leads on update cadence (every 2 days vs every 3 months) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Biorhythm Calculator sells 3 in-app purchases, starting at $7.99 per 7 days. Multi Biorhythm2 asks for nothing beyond the download.

Multi Biorhythm2 ships an update every 2 days, Biorhythm Calculator every 3 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Multi Biorhythm2 | Biorhythm Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/biorhythm-calculator-biosync/id6758400277/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | — | Free |
| Size | 30 MB | 56 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Masahiro Sakai](https://appshunter.io/developer/701045247) | [Eiras Labs LLC](https://appshunter.io/developer/1774544882) |

## What reviewers say

### Multi Biorhythm2

[App page](https://appshunter.io/ios/app/multi-biorhythm2/id6445856849)

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

**In-app purchases:** none


### Biorhythm Calculator

[App page](https://appshunter.io/ios/app/biorhythm-calculator-biosync/id6758400277)

This app calculates your physical, emotional, and intellectual cycles based on your birthday. It offers daily insights, compatibility tracking with others, and an AI coach to help you optimize energy, mood, and focus.

**Highlights:** Physical, emotional, and intellectual cycle tracking, Daily biorhythm levels visualization, Future date prediction, Compatibility tracking with friends, AI biorhythm coaching, Personalized daily insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioSync: Weekly subscription | $7.99 | per 7 days |
| Discounted yearly susbcription | $24.99 | per year |
| BioSync: Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Multi Biorhythm2 free?

Multi Biorhythm2 is free to download, with no in-app purchases.

### Is Biorhythm Calculator free?

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

### Do Multi Biorhythm2 or Biorhythm Calculator have ads?

Neither Multi Biorhythm2 nor Biorhythm Calculator shows ads.

### Which is updated more often, Multi Biorhythm2 or Biorhythm Calculator?

Multi Biorhythm2 ships an update every 2 days, and Biorhythm Calculator every 3 months. Most recently, Multi Biorhythm2 was updated on October 8, 2026 and Biorhythm Calculator on October 10, 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.*