# Ghostreader AI vs Libris Book Tracker

The clearest difference is in-app purchases: Libris Book Tracker at none against Ghostreader AI's 1. Libris Book Tracker also leads on update cadence (every 3 days vs every 10 days). Ghostreader AI's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Ghostreader AI sells 1 in-app purchase, starting at $6.99 per month. Libris Book Tracker asks for nothing beyond the download.

Ghostreader AI ships an update every 10 days, Libris Book Tracker every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ghostreader AI | Libris Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 9 MB | 3 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [lauren brendle](https://appshunter.io/developer/6780510752) | [Mauro Bona](https://appshunter.io/developer/6787734509) |

## What reviewers say

### Ghostreader AI

[App page](https://appshunter.io/ios/app/ghostreader-ai/id6780510750)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avid Reader | $6.99 | per month |


### Libris Book Tracker

[App page](https://appshunter.io/ios/app/libris-book-tracker/id6787734507)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ghostreader AI free?

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

### Is Libris Book Tracker free?

Libris Book Tracker is free to download, with no in-app purchases.

### Do Ghostreader AI or Libris Book Tracker have ads?

Neither Ghostreader AI nor Libris Book Tracker shows ads.

### Which is updated more often, Ghostreader AI or Libris Book Tracker?

Ghostreader AI ships an update every 10 days, and Libris Book Tracker every 3 days. Most recently, Ghostreader AI was updated on October 24, 2026 and Libris Book Tracker on October 25, 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.*