# Book Hunter Plus vs Spine

The clearest difference is update cadence: Spine at weekly against Book Hunter Plus's every 3 weeks. Book Hunter Plus's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Book Hunter Plus ships an update every 3 weeks, Spine weekly. The most recent releases landed on September 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Book Hunter Plus | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (75 ratings)](https://appshunter.io/ios/app/spine-reading-tracker/id6759875368/reviews)** |
| Number of ratings | — | **75** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 28 MB | 32 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Consen AI](https://appshunter.io/developer/1867520483) | [Tanner Flake](https://appshunter.io/developer/1810308106) |

## What reviewers say

### Book Hunter Plus

[App page](https://appshunter.io/ios/app/book-hunter-plus/id6757540199)

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

**In-app purchases:** none


### 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 titles. Connect with friends to see their reading habits and share recommendations.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Book Hunter Plus free?

Book Hunter Plus is free to download, with no in-app purchases.

### Is Spine free?

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

### Do Book Hunter Plus or Spine have ads?

Neither Book Hunter Plus nor Spine shows ads.

### Which is updated more often, Book Hunter Plus or Spine?

Book Hunter Plus ships an update every 3 weeks, and Spine weekly. Most recently, Book Hunter Plus was updated on September 25, 2026 and Spine on October 18, 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.*