# Neubook vs Spine

The clearest difference is in-app purchases: Spine at none against Neubook's 2. Spine also leads on update cadence (every 6 days vs every 3 weeks). Neubook's advantage is iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Neubook sells 2 in-app purchases, starting at $4.99 per month. Spine asks for nothing beyond the download.

Neubook ships an update every 3 weeks, Spine every 6 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Neubook | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (31 ratings)](https://appshunter.io/ios/app/spine-audiobook-player/id6764636615/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 86.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 82 MB | 15 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Bibin Mathew](https://appshunter.io/developer/1864465932) | [Accelyze Inc.](https://appshunter.io/developer/1895859588) |

## What reviewers say

### Neubook

[App page](https://appshunter.io/ios/app/neubook-epub-and-rss-reader/id6761379091)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Neubook Plus | $4.99 | per month |
| Neubook Plus | $39.99 | per year |


### Spine

[App page](https://appshunter.io/ios/app/spine-audiobook-player/id6764636615)

This app offers a beautiful and intuitive audiobook listening experience. It streams from your personal cloud library, syncs with Hardcover, and gamifies listening habits with levels and streaks. Enjoy features like an inline player, automatic chapter support, and on-device intelligence for recaps and summaries.

**Highlights:** Inline audiobook player, Automatic chapter support, Hardcover sync, On-device intelligence for recaps, Listener levels and streaks, Shareable year-in-review recap, Lock screen and widget controls

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Neubook free?

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

### Is Spine free?

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

### Do Neubook or Spine have ads?

Neither Neubook nor Spine shows ads.

### Which is updated more often, Neubook or Spine?

Neubook ships an update every 3 weeks, and Spine every 6 days. Most recently, Neubook was updated on November 5, 2026 and Spine on November 7, 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.*