# Focus Reader vs Realbook

The clearest difference is in-app purchases: Realbook at none against Focus Reader's 1. Focus Reader's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Focus Reader sells 1 one-off in-app purchase. Realbook asks for nothing beyond the download.

Focus Reader ships an update every 6 days, Realbook weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Focus Reader | Realbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Size | 58 MB | 60 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daejin hyun](https://appshunter.io/developer/1542734375) | [WONJIN CHA](https://appshunter.io/developer/6792840591) |

## What reviewers say

### Focus Reader

[App page](https://appshunter.io/ios/app/focus-reader-pdf-and-epub/id6785369340)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Reader Pro | $1.99 | one-time |


### 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 Focus Reader free?

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

### Is Realbook free?

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

### Do Focus Reader or Realbook have ads?

Realbook shows ads; Focus Reader does not.

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

Focus Reader ships an update every 6 days, and Realbook weekly. Most recently, Focus Reader was updated on October 28, 2026 and Realbook on October 24, 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.*