# ZettaMic vs Three9x

The clearest difference is iOS requirement: ZettaMic at 9.3 against Three9x's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZettaMic ships an update every 2 months, Three9x every 5 weeks. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ZettaMic | Three9x |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 12 MB | 496 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RCS](https://appshunter.io/developer/348000582) | [THREE9X (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/6782750724) |

## What reviewers say

### ZettaMic

[App page](https://appshunter.io/ios/app/zettamic/id1141561379)

**Features:** macOS Compatibility

**In-app purchases:** none


### Three9x

[App page](https://appshunter.io/ios/app/three9x/id6782750722)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZettaMic free?

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

### Is Three9x free?

Three9x is free to download, with no in-app purchases.

### Do ZettaMic or Three9x have ads?

Neither ZettaMic nor Three9x shows ads.

### Which is updated more often, ZettaMic or Three9x?

ZettaMic ships an update every 2 months, and Three9x every 5 weeks. Most recently, ZettaMic was updated on September 28, 2026 and Three9x on October 2, 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.*