# 체크책 Check vs 불독클럽

The clearest difference is in-app purchases: 체크책 Check at none against 불독클럽's 1. 불독클럽's advantage is update cadence (every 2 days vs every 3 months) and iOS requirement (17.4 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. 불독클럽 sells 1 one-off in-app purchase. 체크책 Check asks for nothing beyond the download.

체크책 Check ships an update every 3 months, 불독클럽 every 2 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 체크책 Check | 불독클럽 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 31 MB | 26 MB |
| Requires iOS | 26.2 | **17.4** |
| Devices | iPhone | **iPhone, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SEOHYEON JO](https://appshunter.io/developer/1887795951) | [HEEYEUL YOON](https://appshunter.io/developer/1890396508) |

## What reviewers say

### 체크책 Check

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

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

**In-app purchases:** none


### 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 체크책 Check free?

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

### Is 불독클럽 free?

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

### Do 체크책 Check or 불독클럽 have ads?

Neither 체크책 Check nor 불독클럽 shows ads.

### Which is updated more often, 체크책 Check or 불독클럽?

체크책 Check ships an update every 3 months, and 불독클럽 every 2 days. Most recently, 체크책 Check was updated on October 7, 2026 and 불독클럽 on October 11, 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.*