# Vol. vs 체크책 Check

The clearest difference is in-app purchases: 체크책 Check at none against Vol.'s 2. 체크책 Check also leads on ads (none vs shown). Vol.'s advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (15.5 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Vol. sells 2 in-app purchases, starting at $2.99 per month. 체크책 Check asks for nothing beyond the download.

Vol. ships an update every 9 days, 체크책 Check every 3 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Vol. | 체크책 Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 59 MB | 31 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeongbin Park](https://appshunter.io/developer/1819440689) | [SEOHYEON JO](https://appshunter.io/developer/1887795951) |

## What reviewers say

### Vol.

[App page](https://appshunter.io/ios/app/vol/id6760890327)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vol. Premium (1달 플랜) | $2.99 | per month |
| Vol. Premium (1년 플랜) | $19.99 | per year |


### 체크책 Check

[App page](https://appshunter.io/ios/app/check-chaek/id6761102129)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vol. free?

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

### Is 체크책 Check free?

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

### Do Vol. or 체크책 Check have ads?

Vol. shows ads; 체크책 Check does not.

### Which is updated more often, Vol. or 체크책 Check?

Vol. ships an update every 9 days, and 체크책 Check every 3 months. Most recently, Vol. was updated on October 13, 2026 and 체크책 Check on October 7, 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.*