# Swappy Books vs Shelf Scanner.

The clearest difference is review sentiment: Swappy Books at 75% against Shelf Scanner.'s 9%. Swappy Books also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.5). Shelf Scanner.'s advantage is ratings volume (266 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Shelf Scanner. sells 3 in-app purchases, starting at $4.99 per 7 days. Swappy Books asks for nothing beyond the download.

Swappy Books holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Shelf Scanner. has 266 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Swappy Books's written reviews are positive against 9% of Shelf Scanner.'s.

Swappy Books ships an update every 4 weeks, Shelf Scanner. every 7 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Swappy Books | Shelf Scanner. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/swappy-books/id1198626384/reviews)** | [4.5 (266 ratings)](https://appshunter.io/ios/app/shelf-scanner/id6503261472/reviews) |
| Number of ratings | 3 | **266** |
| Positive reviews | **75.0% of reviews** | 9.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 45 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Paciello](https://appshunter.io/developer/834434174) | [Gabe Rogers](https://appshunter.io/developer/1584630702) |

## What reviewers say

### Swappy Books

[App page](https://appshunter.io/ios/app/swappy-books/id1198626384)

Exchange physical books with users in your local area. Scan a book's ISBN to list it for trade, then browse nearby listings and swipe to express interest. Connect with other readers to arrange book swaps.

**Highlights:** Scan ISBN to publish books, Browse nearby book listings, Swipe to express interest, In-app chat for coordination, No registration required, Free to use

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

**In-app purchases:** none


### Shelf Scanner.

[App page](https://appshunter.io/ios/app/shelf-scanner/id6503261472)

Easily discover the value of books by scanning barcodes or taking photos of entire shelves. Get live pricing data from major online sellers to maximize your profit when selling your books.

**Highlights:** Scan book barcodes for value, Photo scan entire bookshelves, Live pricing data, Sell books for profit, Source from major online sellers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $15.99 | per month |
| Annual Pro | $48.99 | per year |


## Frequently asked questions

### Is Swappy Books free?

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

### Is Shelf Scanner. free?

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

### Which has better reviews, Swappy Books or Shelf Scanner.?

Swappy Books is rated higher. Swappy Books averages 5.0 out of 5 from 3 ratings, while Shelf Scanner. averages 4.5 from 266 ratings.

### Do Swappy Books or Shelf Scanner. have ads?

Neither Swappy Books nor Shelf Scanner. shows ads.

### Which is updated more often, Swappy Books or Shelf Scanner.?

Swappy Books ships an update every 4 weeks, and Shelf Scanner. every 7 months. Most recently, Swappy Books was updated on October 29, 2026 and Shelf 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.*