# Shelf vs PDF Scanner

The clearest difference is in-app purchases: Shelf at none against PDF Scanner's 8. Shelf also leads on ratings volume (53 vs 15). PDF Scanner's advantage is update cadence (every 3 days vs every 2 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. PDF Scanner sells 8 in-app purchases, starting at $4.99 per 7 days. Shelf asks for nothing beyond the download.

PDF Scanner holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 53 and 15 respectively.

Shelf ships an update every 2 weeks, PDF Scanner every 3 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Shelf | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (53 ratings)](https://appshunter.io/ios/app/shelf-app-for-collectors/id6473172576/reviews) | **[4.6 (15 ratings)](https://appshunter.io/ios/app/pdf-scanner-scanning-document/id6755528613/reviews)** |
| Number of ratings | **53** | 15 |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 52 MB | 39 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UKRSOFTPOSTACH, TOV](https://appshunter.io/developer/1718522278) | [Elena Dorothy](https://appshunter.io/developer/6773326007) |

## What reviewers say

### Shelf

[App page](https://appshunter.io/ios/app/shelf-app-for-collectors/id6473172576)

Organize and showcase your collections with photos and details. Discover new items from other collectors and connect with a global community of enthusiasts. Share your passion and finds with ease.

**Highlights:** Create and showcase collections, Add photos and details, Discover rare items, Connect with collectors, Organize and tag items, Share finds globally

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

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-scanning-document/id6755528613)

Streamline your workflow with powerful PDF management tools. Scan documents, convert PDFs to voice, and organize your files with ease. Offers unlimited access through weekly or yearly subscription plans.

**Highlights:** Scan documents to PDF, Convert PDF to Voice, Edit PDF documents, Sign PDF documents, Compress PDF files, Organize PDF documents

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan any documents to PDF | $4.99 | per 7 days |
| Scan any documents to PDF | $6.99 | per 7 days |
| Scan any documents to PDF | $9.99 | per year |
| Scan any documents to PDF | $14.99 | per 3 months |
| Scan any documents to PDF | $14.99 | per year |
| Scan any documents to PDF | $19.99 | per year |
| Scan any documents to PDF | $19.99 | per year |
| Scan any documents to PDF | $29.99 | per year |


## Frequently asked questions

### Is Shelf free?

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

### Is PDF Scanner free?

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

### Which has better reviews, Shelf or PDF Scanner?

PDF Scanner is rated higher. Shelf averages 4.4 out of 5 from 53 ratings, while PDF Scanner averages 4.6 from 15 ratings.

### Do Shelf or PDF Scanner have ads?

Neither Shelf nor PDF Scanner shows ads.

### Which is updated more often, Shelf or PDF Scanner?

Shelf ships an update every 2 weeks, and PDF Scanner every 3 days. Most recently, Shelf was updated on November 8, 2026 and PDF Scanner on October 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.*