# Bookshelf Scanner vs ReadOtter

The clearest difference is review sentiment: ReadOtter at 33% against Bookshelf Scanner's 0%. ReadOtter also leads on rating (4.6 vs 4.2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Bookshelf Scanner sells 1 one-off in-app purchase and ReadOtter sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReadOtter holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 37 and 31 respectively. Written reviews point the same way: 0% of Bookshelf Scanner's written reviews are positive against 33% of ReadOtter's.

Bookshelf Scanner ships an update monthly, ReadOtter every 2 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Bookshelf Scanner | ReadOtter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (37 ratings)](https://appshunter.io/ios/app/bookshelf-scanner/id1435647681/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/readotter-classroom-library/id6745129261/reviews)** |
| Number of ratings | **37** | 31 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 22 MB | 34 MB |
| Requires iOS | 18.6 | **17.2** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [If Then Dev, LLC](https://appshunter.io/developer/583672055) | [Human Theoria LLC](https://appshunter.io/developer/1810896717) |

## What reviewers say

### Bookshelf Scanner

[App page](https://appshunter.io/ios/app/bookshelf-scanner/id1435647681)

Effortlessly manage your classroom library by scanning book barcodes to instantly retrieve titles and covers. Track student checkouts, generate reports, and organize your collection with custom locations and statuses, all without needing an internet connection.

**Highlights:** Barcode scanning for ISBN and library labels, Student checkout and overdue tracking, Export reports to CSV and PDF, iCloud sync across devices, Offline functionality, Customizable locations and statuses

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Library | $9.99 | one-time |


### ReadOtter

[App page](https://appshunter.io/ios/app/readotter-classroom-library/id6745129261)

This app helps teachers manage their classroom libraries by cataloging books, tracking student checkouts, and generating reading logs. It offers a free tier with core features and a premium subscription for advanced functionalities like cloud sync and student self-checkout.

**Highlights:** Library cataloging, Student checkout tracking, Digital reading logs, Book categorization, iCloud sync and backup, Student self-checkout kiosk

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadOtter Premium | $2.99 | per month |
| ReadOtter Premium | $19.99 | per year |


## Frequently asked questions

### Is Bookshelf Scanner free?

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

### Is ReadOtter free?

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

### Which has better reviews, Bookshelf Scanner or ReadOtter?

ReadOtter is rated higher. Bookshelf Scanner averages 4.2 out of 5 from 37 ratings, while ReadOtter averages 4.6 from 31 ratings.

### Do Bookshelf Scanner or ReadOtter have ads?

Neither Bookshelf Scanner nor ReadOtter shows ads.

### Which is updated more often, Bookshelf Scanner or ReadOtter?

Bookshelf Scanner ships an update monthly, and ReadOtter every 2 months. Most recently, Bookshelf Scanner was updated on September 16, 2026 and ReadOtter on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*