# UniBook vs InkYomi

The clearest difference is in-app purchases: InkYomi at none against UniBook's 1. InkYomi also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. UniBook sells 1 one-off in-app purchase. InkYomi asks for nothing beyond the download.

UniBook ships an update every 3 weeks, InkYomi every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | UniBook | InkYomi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 15 MB | 16 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 17+ |
| Developer | [Denis Tronin](https://appshunter.io/developer/1446210844) | [Carson Press LLC](https://appshunter.io/developer/6777609063) |

## What reviewers say

### 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 | $49.99 | one-time |


### InkYomi

[App page](https://appshunter.io/ios/app/inkyomi/id6777609061)

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

**In-app purchases:** none


## Frequently asked questions

### Is UniBook free?

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

### Is InkYomi free?

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

### Do UniBook or InkYomi have ads?

Neither UniBook nor InkYomi shows ads.

### Which is updated more often, UniBook or InkYomi?

UniBook ships an update every 3 weeks, and InkYomi every 2 days. Most recently, UniBook was updated on October 25, 2026 and InkYomi 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.*