# OnBook vs 토닥

The clearest difference is in-app purchases: 토닥 at none against OnBook's 3. 토닥 also leads on iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. OnBook sells 3 one-off in-app purchases. 토닥 asks for nothing beyond the download.

## The numbers

| Metric | OnBook | 토닥 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 39 MB | 19 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jinyoung Jang](https://appshunter.io/developer/1888765890) | [Essential Corp.](https://appshunter.io/developer/1704120372) |

## What reviewers say

### OnBook

[App page](https://appshunter.io/ios/app/onbook/id6761301818)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ink 30 Pack | $2.99 | one-time |
| Ink 70 Pack | $4.99 | one-time |
| Ink 170 Pack | $9.99 | one-time |


### 토닥

[App page](https://appshunter.io/ios/app/id6796534929)

**In-app purchases:** none


## Frequently asked questions

### Is OnBook free?

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

### Is 토닥 free?

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

### Do OnBook or 토닥 have ads?

Neither OnBook nor 토닥 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.*