# GG Star Reader vs Realbook

The clearest difference is ads: GG Star Reader at none against Realbook's shown. GG Star Reader also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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 October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GG Star Reader | Realbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 46 MB | 60 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAKHA GIORGASHVILI](https://appshunter.io/developer/1501353984) | [WONJIN CHA](https://appshunter.io/developer/6792840591) |

## What reviewers say

### GG Star Reader

[App page](https://appshunter.io/ios/app/gg-star-reader/id6443879535)

**Features:** macOS Compatibility

**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 GG Star Reader free?

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

### Is Realbook free?

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

### Do GG Star Reader or Realbook have ads?

Realbook shows ads; GG Star Reader does not.

### Which is updated more often, GG Star Reader or Realbook?

GG Star Reader ships an update weekly, and Realbook weekly. Most recently, GG Star Reader was updated on October 9, 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.*