# 매일공시 vs StudyStamp

The clearest difference is in-app purchases: StudyStamp at none against 매일공시's 1. StudyStamp also leads on ads (none vs shown). 매일공시's advantage is update cadence (daily vs every 3 days) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. 매일공시 sells 1 one-off in-app purchase. StudyStamp asks for nothing beyond the download.

매일공시 ships an update daily, StudyStamp every 3 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 매일공시 | StudyStamp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 47 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [seokho heo](https://appshunter.io/developer/1732835319) | [YoungBeom Seo](https://appshunter.io/developer/6807436974) |

## What reviewers say

### 매일공시

[App page](https://appshunter.io/ios/app/9/id6768123247)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 매일공시 영어 2개월권(베타) | $0.99 | one-time |


### StudyStamp

[App page](https://appshunter.io/ios/app/studystamp/id6807436972)

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

**In-app purchases:** none


## Frequently asked questions

### Is 매일공시 free?

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

### Is StudyStamp free?

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

### Do 매일공시 or StudyStamp have ads?

매일공시 shows ads; StudyStamp does not.

### Which is updated more often, 매일공시 or StudyStamp?

매일공시 ships an update daily, and StudyStamp every 3 days. Most recently, 매일공시 was updated on October 5, 2026 and StudyStamp on October 2, 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.*