# Lu Reader vs Realbook

Lu Reader and Realbook 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 weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lu Reader | Realbook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Ad-supported | — |
| Size | 95 MB | 60 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sanghun jeong](https://appshunter.io/developer/6790818156) | [WONJIN CHA](https://appshunter.io/developer/6792840591) |

## What reviewers say

### Lu Reader

[App page](https://appshunter.io/ios/app/lu-reader-epub-and-ebook-reader/id6790819342)

This application offers a streamlined reading experience for various document and e-book formats, including EPUB and PDF. It features customizable reading settings, text-to-speech functionality, and smart library management. Users can back up their data to Google Drive.

**Highlights:** Supports EPUB, PDF, TXT, DOC, FB2, HWP, ZIP, CBZ, 11 customizable color themes, Adjustable font size, line spacing, and margins, In-app brightness control, Text-to-speech with adjustable speed, Automatic table of contents generation, Smart library with sorting and search

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

**In-app purchases:** none


### Realbook

[App page](https://appshunter.io/ios/app/realbook-epub-pdf-book-reader/id6796944523)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lu Reader free?

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

### Is Realbook free?

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

### Do Lu Reader or Realbook have ads?

Both Lu Reader and Realbook show ads.

### Which is updated more often, Lu Reader or Realbook?

Lu Reader ships an update weekly, and Realbook weekly. Most recently, Lu Reader was updated on November 5, 2026 and Realbook on October 31, 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.*