# ぐるどく vs UniBook

The clearest difference is iOS requirement: ぐるどく at 14.0 against UniBook's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ぐるどく sells 1 one-off in-app purchase and UniBook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ぐるどく ships an update every 2 weeks, UniBook every 3 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ぐるどく | UniBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 66 MB | 15 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MAKASETE, Inc](https://appshunter.io/developer/1674779355) | [Denis Tronin](https://appshunter.io/developer/1446210844) |

## What reviewers say

### ぐるどく

[App page](https://appshunter.io/ios/app/epub/id6465693672)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コメントの閲覧・投稿機能の利用 | $5.99 | one-time |


### UniBook

[App page](https://appshunter.io/ios/app/unibook-read-without-limits/id6757717595)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UniBook Premium | $4.99 | one-time |


## Frequently asked questions

### Is ぐるどく free?

ぐるどく is free to download, with in-app purchases available.

### Is UniBook free?

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

### Do ぐるどく or UniBook have ads?

Neither ぐるどく nor UniBook shows ads.

### Which is updated more often, ぐるどく or UniBook?

ぐるどく ships an update every 2 weeks, and UniBook every 3 weeks. Most recently, ぐるどく was updated on October 27, 2026 and UniBook on November 3, 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.*