# OCR Book Scanner vs Letter Tracking System

The clearest difference is in-app purchases: Letter Tracking System at none against OCR Book Scanner's 9. Letter Tracking System also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.4). OCR Book Scanner's advantage is update cadence (monthly vs every 11 months). On price and device support 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. Letter Tracking System asks for nothing beyond the download.

OCR Book Scanner ships an update monthly, Letter Tracking System every 11 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OCR Book Scanner | Letter Tracking System |
| --- | --- | --- |
| 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 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 47 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gigafluent Ltd](https://appshunter.io/developer/1709491129) | [GCCloud Info System Private Limited](https://appshunter.io/developer/1559340757) |

## 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 |


### Letter Tracking System

[App page](https://appshunter.io/ios/app/letter-tracking-system/id6743742291)

**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 Letter Tracking System free?

Letter Tracking System is free to download, with no in-app purchases.

### Do OCR Book Scanner or Letter Tracking System have ads?

OCR Book Scanner shows ads; Letter Tracking System does not.

### Which is updated more often, OCR Book Scanner or Letter Tracking System?

OCR Book Scanner ships an update monthly, and Letter Tracking System every 11 months. Most recently, OCR Book Scanner was updated on September 10, 2026 and Letter Tracking System on September 9, 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.*