# Australia Zone vs Immibook.

The clearest difference is update cadence: Immibook. at every 3 months against Australia Zone's every 63 months. Immibook. also leads on iOS requirement (13.0 vs 18.6). 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.

Australia Zone ships an update every 63 months, Immibook. every 3 months. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Australia Zone | Immibook. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 3 months** |
| Size | 4 MB | 64 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [INHOU LTD.](https://appshunter.io/developer/535828230) | [Akshit Monga](https://appshunter.io/developer/1716501928) |

## What reviewers say

### Australia Zone

[App page](https://appshunter.io/ios/app/australia-zone/id817420204)

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

**In-app purchases:** none


### Immibook.

[App page](https://appshunter.io/ios/app/immibook/id6472034416)

**In-app purchases:** none


## Frequently asked questions

### Is Australia Zone free?

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

### Is Immibook. free?

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

### Do Australia Zone or Immibook. have ads?

Neither Australia Zone nor Immibook. shows ads.

### Which is updated more often, Australia Zone or Immibook.?

Australia Zone ships an update every 63 months, and Immibook. every 3 months. Most recently, Australia Zone was updated on September 25, 2026 and Immibook. on September 29, 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.*