# Auditive vs Biorhythm Calculator

The clearest difference is in-app purchases: Auditive at none against Biorhythm Calculator's 3. Biorhythm Calculator's advantage is update cadence (every 3 months vs every 14 months). On price, ads, 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. Auditive asks for nothing beyond the download.

Auditive ships an update every 14 months, Biorhythm Calculator every 3 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Auditive | 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 14 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 2 MB | 56 MB |
| Requires iOS | **14.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +4 |
| Developer | [Kimberly Riegel](https://appshunter.io/developer/1522948246) | [Eiras Labs LLC](https://appshunter.io/developer/1774544882) |

## What reviewers say

### Auditive

[App page](https://appshunter.io/ios/app/auditive/id1522948244)

**Features:** macOS Compatibility

**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 Auditive free?

Auditive 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 Auditive or Biorhythm Calculator have ads?

Neither Auditive nor Biorhythm Calculator shows ads.

### Which is updated more often, Auditive or Biorhythm Calculator?

Auditive ships an update every 14 months, and Biorhythm Calculator every 3 months. Most recently, Auditive was updated on October 12, 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.*