# 체크책 Check vs Readiary

The clearest difference is in-app purchases: 체크책 Check at none against Readiary's 2. Readiary's advantage is update cadence (every 3 days vs every 3 months) and iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Readiary sells 2 in-app purchases, starting at $1.99 per month. 체크책 Check asks for nothing beyond the download.

체크책 Check ships an update every 3 months, Readiary every 3 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 체크책 Check | Readiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 31 MB | 77 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SEOHYEON JO](https://appshunter.io/developer/1887795951) | [Readiary](https://appshunter.io/developer/1445016050) |

## 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


### Readiary

[App page](https://appshunter.io/ios/app/readiary-book-journal/id6780362297)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readiary Plus Monthly | $1.99 | per month |
| Readiary Plus Yearly | $17.99 | per year |


## Frequently asked questions

### Is 체크책 Check free?

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

### Is Readiary free?

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

### Do 체크책 Check or Readiary have ads?

Neither 체크책 Check nor Readiary shows ads.

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

체크책 Check ships an update every 3 months, and Readiary every 3 days. Most recently, 체크책 Check was updated on October 31, 2026 and Readiary on November 5, 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.*