# Vol. vs boook

The clearest difference is update cadence: boook at every 2 days against Vol.'s every 9 days. On price, ads, in-app purchases 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 and boook sells 2 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

Vol. ships an update every 9 days, boook every 2 days. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Vol. | boook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 59 MB | 86 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeongbin Park](https://appshunter.io/developer/1819440689) | [Ppom Studio](https://appshunter.io/developer/6785508462) |

## 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 |


### boook

[App page](https://appshunter.io/ios/app/boook/id6785508460)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.49 | per month |
| Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Vol. free?

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

### Is boook free?

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

### Do Vol. or boook have ads?

Both Vol. and boook show ads.

### Which is updated more often, Vol. or boook?

Vol. ships an update every 9 days, and boook every 2 days. Most recently, Vol. was updated on October 13, 2026 and boook on September 30, 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.*