# Vol. vs 책피자

The clearest difference is in-app purchases: 책피자 at none against Vol.'s 2. 책피자 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Vol. ships an update every 9 days, 책피자 every 8 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Vol. | 책피자 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Ad-supported |
| Size | 59 MB | 63 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeongbin Park](https://appshunter.io/developer/1819440689) | [Yeoun Yi](https://appshunter.io/developer/1582412629) |

## 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 |


### 책피자

[App page](https://appshunter.io/ios/app/and/id6772453636)

Track your reading with a charming pizza theme. Rate books with pepperoni, share reviews with friends, and discover new reads. Organize short stories and novels into unique pizza creations.

**Highlights:** Rate books with pepperoni toppings, Organize stories into pizza slices or whole pizzas, Follow friends and like their reviews, Discover popular books and short stories, View reviews for individual short stories across collections

**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 책피자 free?

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

### Do Vol. or 책피자 have ads?

Vol. shows ads; 책피자 does not.

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

Vol. ships an update every 9 days, and 책피자 every 8 days. Most recently, Vol. was updated on October 13, 2026 and 책피자 on October 10, 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.*