# Ook for Books vs Gloss

The clearest difference is in-app purchases: Ook for Books at none against Gloss's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gloss sells 2 in-app purchases, starting at $5.99 per month. Ook for Books asks for nothing beyond the download.

## The numbers

| Metric | Ook for Books | Gloss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 7 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Jung Suk Hahn](https://appshunter.io/developer/1869893041) | [NYRAI LLC](https://appshunter.io/developer/6773959751) |

## What reviewers say

### Ook for Books

[App page](https://appshunter.io/ios/app/ook-for-books/id6757951712)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gloss

[App page](https://appshunter.io/ios/app/gloss-annotated-reader/id6782358267)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gloss Monthly | $5.99 | per month |
| Gloss Yearly | $49.99 | per year |


## Frequently asked questions

### Is Ook for Books free?

Ook for Books is free to download, with no in-app purchases.

### Is Gloss free?

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

### Do Ook for Books or Gloss have ads?

Neither Ook for Books nor Gloss shows ads.

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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.*