# Kazzoos vs Unison FM

The clearest difference is update cadence: Unison FM at fortnightly against Kazzoos's every 9 months. Unison FM also leads on iOS requirement (16.4 vs 26.0). On price, ads, 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.

Kazzoos ships an update every 9 months, Unison FM fortnightly. Both last shipped on October 18, 2026.

## The numbers

| Metric | Kazzoos | Unison FM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Size | 11 MB | 51 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Robert Templeton](https://appshunter.io/developer/910092860) | [Kanpla](https://appshunter.io/developer/1500582658) |

## What reviewers say

### Kazzoos

[App page](https://appshunter.io/ios/app/kazzoos/id1432605504)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unison FM

[App page](https://appshunter.io/ios/app/unison-fm/id6739345956)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kazzoos free?

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

### Is Unison FM free?

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

### Do Kazzoos or Unison FM have ads?

Neither Kazzoos nor Unison FM shows ads.

### Which is updated more often, Kazzoos or Unison FM?

Kazzoos ships an update every 9 months, and Unison FM fortnightly. Most recently, Kazzoos was updated on October 18, 2026 and Unison FM on October 18, 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.*