# Vol. vs 불독클럽

The clearest difference is ads: 불독클럽 at none against Vol.'s shown. 불독클럽 also leads on update cadence (every 2 days vs every 9 days). Vol.'s advantage is iOS requirement (15.5 vs 17.4). On price, 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 불독클럽 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Vol. ships an update every 9 days, 불독클럽 every 2 days. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Vol. | 불독클럽 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 59 MB | 26 MB |
| Requires iOS | **15.5** | 17.4 |
| Devices | iPhone, iPod | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jeongbin Park](https://appshunter.io/developer/1819440689) | [HEEYEUL YOON](https://appshunter.io/developer/1890396508) |

## 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 |


### 불독클럽

[App page](https://appshunter.io/ios/app/id6765674943)

This app helps you focus on the essence of reading and the richness of book club discussions. It allows for both individual daily journaling and collaborative club activities, with AI summarizing your personal notes. Enjoy a clutter-free experience with no ads or gamification elements.

**Highlights:** Individual daily reading logs, Create or join book clubs, AI-powered personal note summarization, Automatic quarterly discussion retrospectives, Home screen widgets for current book and meeting countdown, Group payment for clubs

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 불독클럽 평생권 | $22.99 | one-time |


## Frequently asked questions

### Is Vol. free?

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

### Is 불독클럽 free?

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

### Do Vol. or 불독클럽 have ads?

Vol. shows ads; 불독클럽 does not.

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

Vol. ships an update every 9 days, and 불독클럽 every 2 days. Most recently, Vol. was updated on October 13, 2026 and 불독클럽 on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*