# OCR Book Scanner vs M91

The clearest difference is in-app purchases: M91 at none against OCR Book Scanner's 9. M91 also leads on ads (none vs shown) and update cadence (every 9 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OCR Book Scanner sells 9 in-app purchases, starting at $4.99 per 7 days. M91 asks for nothing beyond the download.

OCR Book Scanner ships an update monthly, M91 every 9 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OCR Book Scanner | M91 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/ocr-book-scanner/id6468075372/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 30 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gigafluent Ltd](https://appshunter.io/developer/1709491129) | [Walkover Web Solutions Pvt. Ltd.](https://appshunter.io/developer/793737585) |

## What reviewers say

### OCR Book Scanner

[App page](https://appshunter.io/ios/app/ocr-book-scanner/id6468075372)

Easily scan printed and handwritten text from your device's camera or photos. Leverage advanced AI to proofread extracted content, minimizing errors. Organize, edit, and share your scanned text seamlessly.

**Highlights:** Scan text from camera, Scan text from photos, Recognize handwritten text, AI-powered text proofreading, Organize scans into text files/folders, iCloud syncing, Edit, save, and share text

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited words (1 Week) | $4.99 | per 7 days |
| Unlimited words (1 Month) | $7.99 | per month |
| Unlimited words (1 Month) | $14.99 | per month |
| Unlimited words (1 Year) | $49.99 | per year |
| Unlimited words (1 Year) | $119.99 | per year |
| 2K Words Pack | $1.99 | one-time |
| 3,000 Words Pack | $1.99 | one-time |
| 20K Words Pack | $9.99 | one-time |
| 30,000 Words Pack | $9.99 | one-time |


### M91

[App page](https://appshunter.io/ios/app/m91/id6759090472)

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

**In-app purchases:** none


## Frequently asked questions

### Is OCR Book Scanner free?

OCR Book Scanner is free to download, with in-app purchases available.

### Is M91 free?

M91 is free to download, with no in-app purchases.

### Do OCR Book Scanner or M91 have ads?

OCR Book Scanner shows ads; M91 does not.

### Which is updated more often, OCR Book Scanner or M91?

OCR Book Scanner ships an update monthly, and M91 every 9 days. Most recently, OCR Book Scanner was updated on September 10, 2026 and M91 on September 19, 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.*