# MSFS AdminPro vs Book writer AI

The clearest difference is in-app purchases: MSFS AdminPro at none against Book writer AI's 3. MSFS AdminPro also leads on ads (none vs shown). Book writer AI's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Book writer AI sells 3 in-app purchases, starting at $4.99 per 7 days. MSFS AdminPro asks for nothing beyond the download.

MSFS AdminPro ships an update every 2 months, Book writer AI every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MSFS AdminPro | Book writer AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (39 ratings)](https://appshunter.io/ios/app/book-writer-ai/id6759101552/reviews)** |
| Number of ratings | — | **39** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 77 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [DESALES TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1753788387) | [Matteo Giannessi](https://appshunter.io/developer/1841376781) |

## What reviewers say

### MSFS AdminPro

[App page](https://appshunter.io/ios/app/msfs-adminpro/id6741805555)

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

**In-app purchases:** none


### Book writer AI

[App page](https://appshunter.io/ios/app/book-writer-ai/id6759101552)

This AI-powered tool helps you write books, novels, and stories with speed and creativity. It generates chapters, expands text, and turns simple prompts into full book content, making the writing process easier for all skill levels.

**Highlights:** AI book writing engine, Generate chapters, scenes, and ideas, Expand and rewrite text, Turn prompts into book content, Organize chapters and scenes, Secure cloud storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Book Writer AI weekly plan | $4.99 | per 7 days |
| Book Writer AI monthly plan | $17.99 | per month |
| Book Writer AI yearly plan | $99.99 | per year |


## Frequently asked questions

### Is MSFS AdminPro free?

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

### Is Book writer AI free?

Book writer AI is free to download, with in-app purchases available.

### Do MSFS AdminPro or Book writer AI have ads?

Book writer AI shows ads; MSFS AdminPro does not.

### Which is updated more often, MSFS AdminPro or Book writer AI?

MSFS AdminPro ships an update every 2 months, and Book writer AI every 2 weeks. Most recently, MSFS AdminPro was updated on October 18, 2026 and Book writer AI on October 7, 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.*