# Doc Scanner vs PrepLibrary

The clearest difference is in-app purchases: PrepLibrary at none against Doc Scanner's 2. PrepLibrary also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Doc Scanner's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Doc Scanner sells 2 in-app purchases, starting at $1.99 per month. PrepLibrary asks for nothing beyond the download.

Doc Scanner ships an update every 2 months, PrepLibrary every 4 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Doc Scanner | PrepLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (58 ratings)](https://appshunter.io/ios/app/doc-scanner-scan-pdf/id1495810014/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 250 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SHELL INFRASTRUCTURE PRIVATE LIMITED](https://appshunter.io/developer/1448689685) | [PREPLIBRARY LLP](https://appshunter.io/developer/6823395214) |

## What reviewers say

### Doc Scanner

[App page](https://appshunter.io/ios/app/doc-scanner-scan-pdf/id1495810014)

This app allows you to quickly scan documents, photos, and cards, converting them into clear images or PDFs. It offers OCR text recognition, PDF editing, and conversion to various formats, making document management and sharing efficient.

**Highlights:** Mobile document scanning, OCR text recognition, PDF to Word conversion, Image to PDF conversion, Document editing and annotation, E-signature capabilities, AirPrint document printing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $1.99 | per month |
| 1 Year (3 Days Trial) | $11.99 | per year |


### PrepLibrary

[App page](https://appshunter.io/ios/app/preplibrary/id6823395212)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doc Scanner free?

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

### Is PrepLibrary free?

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

### Do Doc Scanner or PrepLibrary have ads?

Doc Scanner shows ads; PrepLibrary does not.

### Which is updated more often, Doc Scanner or PrepLibrary?

Doc Scanner ships an update every 2 months, and PrepLibrary every 4 days. Most recently, Doc Scanner was updated on November 11, 2026 and PrepLibrary on November 10, 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.*