# Shelf Scanner. vs Nool Books

The clearest difference is rating: Nool Books at 5.0 against Shelf Scanner.'s 4.5. Nool Books also leads on in-app purchases (none vs 3) and update cadence (weekly vs every 7 months). Shelf Scanner.'s advantage is ratings volume (252 vs 1). On price and ads there is nothing between them.

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

Nool 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 252 ratings behind it against 1, so its average is the more settled of the two.

Shelf Scanner. ships an update every 7 months, Nool Books weekly. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Shelf Scanner. | Nool Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (252 ratings)](https://appshunter.io/ios/app/shelf-scanner/id6503261472/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nool-books/id6747007568/reviews)** |
| Number of ratings | **252** | 1 |
| Positive reviews | 9.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 45 MB | 59 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gabe Rogers](https://appshunter.io/developer/1584630702) | [Udhayaprakash Ravindran](https://appshunter.io/developer/1777479680) |

## What reviewers say

### 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 |


### Nool Books

[App page](https://appshunter.io/ios/app/nool-books/id6747007568)

Easily buy and sell used books with people in your local area. List books in seconds, find great deals, and chat directly within the app to arrange safe, hassle-free exchanges. Save money on your next read or earn cash by selling your old books.

**Highlights:** List books in seconds, Browse by title, author, or genre, In-app chat for buyers and sellers, Local book exchanges, Save money and earn cash, Private contact information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Shelf Scanner. free?

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

### Is Nool Books free?

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

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

Nool Books is rated higher. Shelf Scanner. averages 4.5 out of 5 from 252 ratings, while Nool Books averages 5.0 from 1 ratings.

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

Neither Shelf Scanner. nor Nool Books shows ads.

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

Shelf Scanner. ships an update every 7 months, and Nool Books weekly. Most recently, Shelf Scanner. was updated on September 26, 2026 and Nool Books 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.*