# Biorhythm Calculator vs Biorhythm Tracker

The clearest difference is in-app purchases: Biorhythm Tracker at none against Biorhythm Calculator's 3. Biorhythm Calculator's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Biorhythm Calculator | Biorhythm Tracker |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 56 MB | 41 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Eiras Labs LLC](https://appshunter.io/developer/1774544882) | [Masahiro Sakai](https://appshunter.io/developer/701045247) |

## What reviewers say

### 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 |


### Biorhythm Tracker

[App page](https://appshunter.io/ios/app/biorhythm-tracker/id6760403737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm Calculator free?

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

### Is Biorhythm Tracker free?

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

### Do Biorhythm Calculator or Biorhythm Tracker have ads?

Biorhythm Tracker shows ads; Biorhythm Calculator does not.

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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.*