# Lumen Reader vs Spine

Lumen Reader and Spine are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Lumen Reader | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (25 ratings)](https://appshunter.io/ios/app/spine-audiobook-player/id6764636615/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Free |
| Size | 98 MB | 13 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [SAMANTH GURRAM](https://appshunter.io/developer/1895598745) | [Accelyze Inc.](https://appshunter.io/developer/1895859588) |

## What reviewers say

### Lumen Reader

[App page](https://appshunter.io/ios/app/lumen-reader-audiobooks/id6764013045)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Lumen Reader free?

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

### Is Spine free?

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

### Do Lumen Reader or Spine have ads?

Neither Lumen Reader nor Spine shows ads.

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

Lumen Reader ships an update every 4 days, and Spine every 4 days. Most recently, Lumen Reader was updated on September 8, 2026 and Spine on September 17, 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.*