# MBookTester vs Appbook Viewer

The clearest difference is update cadence: Appbook Viewer at every 2 months against MBookTester's every 4 months. 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.

MBookTester ships an update every 4 months, Appbook Viewer every 2 months. The most recent releases landed on July 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | MBookTester | Appbook Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mbooktester/id435875412/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 16 MB | 22 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [soluwin corporation](https://appshunter.io/developer/747540016) | [Han Yong Jun](https://appshunter.io/developer/1034271952) |

## What reviewers say

### MBookTester

[App page](https://appshunter.io/ios/app/mbooktester/id435875412)

This app allows InDesign users to preview and test multimedia content created with mbook 2.0 on their iPad. It provides a realistic testing experience before distributing content online.

**Highlights:** Preview mbook 2.0 digital publications, Test multimedia content, Realistic iPad feel, Copy .mbook files via iTunes, Better than iPad simulator testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Appbook Viewer

[App page](https://appshunter.io/ios/app/appbook-viewer/id1590989191)

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

**In-app purchases:** none


## Frequently asked questions

### Is MBookTester free?

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

### Is Appbook Viewer free?

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

### Do MBookTester or Appbook Viewer have ads?

Neither MBookTester nor Appbook Viewer shows ads.

### Which is updated more often, MBookTester or Appbook Viewer?

MBookTester ships an update every 4 months, and Appbook Viewer every 2 months. Most recently, MBookTester was updated on July 6, 2026 and Appbook Viewer on September 30, 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.*