# Lex Reader vs Spine

The clearest difference is in-app purchases: Spine at none against Lex Reader's 2. Lex Reader's advantage is review sentiment (100% vs 82%) and iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Lex Reader against 4.8 for Spine. Both are backed by a comparable volume of ratings — 12 and 25 respectively. Written reviews are what separate them: 100% of Lex Reader's written reviews are positive against 82% of Spine's.

Lex Reader ships an update weekly, Spine every 4 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Lex Reader | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (12 ratings)](https://appshunter.io/ios/app/lex-reader/id6757875402/reviews)** | [4.8 (25 ratings)](https://appshunter.io/ios/app/spine-audiobook-player/id6764636615/reviews) |
| Number of ratings | 12 | **25** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 15 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [LexBooks, Inc.](https://appshunter.io/developer/1869433764) | [Accelyze Inc.](https://appshunter.io/developer/1895859588) |

## What reviewers say

### Lex Reader

[App page](https://appshunter.io/ios/app/lex-reader/id6757875402)

This app offers a versatile reading experience for books and audiobooks with customizable modes, extensive library access, and social features. It allows users to import their own content, sync progress across devices, and discover new reads through personalized recommendations and curated shelves.

**Highlights:** Customizable reading modes (scroll, paginated, blitz, bilingual), EPUB, PDF, and MP3 reader/player, Text-to-audio synchronization, Ambient audiobook listening with custom sounds, Extensive library search and personalized recommendations, Import reading data from Goodreads/Storygraph, Create and share custom book shelves, Sync reading progress across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lex Premium | $4.99 | per month |
| Lex Premium | $39.99 | per year |


### Spine

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

This app enhances audiobook listening with features like listener levels, daily streaks, and shareable year-end recaps. It offers a beautiful, integrated player and syncs with Hardcover, all while keeping your data private on-device.

**Highlights:** Integrated audiobook player, Listener levels and daily streaks, Hardcover sync, On-device AI summaries, Shareable year-in-review recap, Lock screen and widget controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Lex Reader free?

Lex Reader 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, Lex Reader or Spine?

Lex Reader is rated higher. Lex Reader averages 4.9 out of 5 from 12 ratings, while Spine averages 4.8 from 25 ratings.

### Do Lex Reader or Spine have ads?

Neither Lex Reader nor Spine shows ads.

### Which is updated more often, Lex Reader or Spine?

Lex Reader ships an update weekly, and Spine every 4 days. Most recently, Lex Reader was updated on October 7, 2026 and Spine on October 11, 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.*