# Bookshelf Scanner vs Spine

The clearest difference is review sentiment: Spine at 100% against Bookshelf Scanner's 36%. Spine also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 4). Bookshelf Scanner's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Bookshelf Scanner sells 4 in-app purchases, starting at $6.99 per month. Spine asks for nothing beyond the download.

Spine holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Spine has 85 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of Bookshelf Scanner's written reviews are positive against 100% of Spine's.

Bookshelf Scanner ships an update every 5 days, Spine every 8 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Bookshelf Scanner | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/bookshelf-scanner-spines/id6757425414/reviews) | **[5.0 (85 ratings)](https://appshunter.io/ios/app/spine-reading-tracker/id6759875368/reviews)** |
| Number of ratings | 2 | **85** |
| Positive reviews | 36.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Freemium | **Free** |
| Size | 79 MB | 33 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [True Story Limited](https://appshunter.io/developer/1861475212) | [Tanner Flake](https://appshunter.io/developer/1810308106) |

## What reviewers say

### Bookshelf Scanner

[App page](https://appshunter.io/ios/app/bookshelf-scanner-spines/id6757425414)

Effortlessly scan entire bookshelves to identify valuable books based on your personal preferences. This tool helps you discover hidden gems in second-hand shops and track books you want, love, or have acquired. It integrates with Goodreads and StoryGraph for tailored recommendations.

**Highlights:** Scan entire bookshelves at once, Discover hidden gems in second-hand shops, Spot books matching your reading taste, Track books you want, love, or have grabbed, Import from Goodreads or StoryGraph, Personalized recommendations

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spines Premium | $6.99 | per month |
| Spines Hunter | $19.99 | per month |
| Spines Premium | $49.99 | per year |
| Spines Hunter | $149.99 | per year |


### Spine

[App page](https://appshunter.io/ios/app/spine-reading-tracker/id6759875368)

Log your reading progress, create custom tier lists of your favorite books, and discover new reads. Connect with friends to see their reading activity and share recommendations. Easily import your existing library.

**Highlights:** Track reading progress, Create book tier lists, Follow friends' reading activity, Share book recommendations, Personalized book discovery, Import Goodreads library

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

**In-app purchases:** none


## Frequently asked questions

### Is Bookshelf Scanner free?

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

### Is Spine free?

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

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

Spine is rated higher. Bookshelf Scanner averages 3.0 out of 5 from 2 ratings, while Spine averages 5.0 from 85 ratings.

### Do Bookshelf Scanner or Spine have ads?

Bookshelf Scanner shows ads; Spine does not.

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

Bookshelf Scanner ships an update every 5 days, and Spine every 8 days. Most recently, Bookshelf Scanner was updated on November 5, 2026 and Spine on November 5, 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.*