# ZYGON vs Busy Hen

The clearest difference is ads: Busy Hen at none against ZYGON's shown. Busy Hen also leads on update cadence (monthly vs every 5 months). ZYGON's advantage is iOS requirement (12.1 vs 15.0). 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.

ZYGON ships an update every 5 months, Busy Hen monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | ZYGON | Busy Hen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (23 ratings)](https://appshunter.io/ios/app/zygon/id1576900017/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 72 MB | 135 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dane spotts](https://appshunter.io/developer/1576900019) | [THE BUSY HEN LLC](https://appshunter.io/developer/1475940876) |

## What reviewers say

### ZYGON

[App page](https://appshunter.io/ios/app/zygon/id1576900017)

This app uses neurotechnology to help you rewire thoughts, reprogram beliefs, and unlock your potential. It offers tools for stress reduction, confidence boosts, improved focus, and achieving success through mental training.

**Highlights:** Over 1000 transformational programs, Instant brain reset with audio entrainment, Subconscious reprogramming tools, Mental training for sleep and focus, Stream or download for offline listening

**Features:** macOS Compatibility

**In-app purchases:** none


### Busy Hen

[App page](https://appshunter.io/ios/app/busy-hen/id1606273993)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZYGON free?

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

### Is Busy Hen free?

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

### Do ZYGON or Busy Hen have ads?

ZYGON shows ads; Busy Hen does not.

### Which is updated more often, ZYGON or Busy Hen?

ZYGON ships an update every 5 months, and Busy Hen monthly. Most recently, ZYGON was updated on November 3, 2026 and Busy Hen on November 3, 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.*