# Neubook vs Libraryai

The clearest difference is in-app purchases: Libraryai at none against Neubook's 2. Neubook's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Neubook ships an update every 3 weeks, Libraryai every 2 months. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Neubook | Libraryai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 82 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bibin Mathew](https://appshunter.io/developer/1864465932) | [Daniil Sukhov](https://appshunter.io/developer/1630543160) |

## 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 |


### Libraryai

[App page](https://appshunter.io/ios/app/libraryai/id6762076708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Neubook free?

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

### Is Libraryai free?

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

### Do Neubook or Libraryai have ads?

Neither Neubook nor Libraryai shows ads.

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

Neubook ships an update every 3 weeks, and Libraryai every 2 months. Most recently, Neubook was updated on November 5, 2026 and Libraryai 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.*