# LessonCheck vs 오늘의 근무

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LessonCheck ships an update every 2 days, 오늘의 근무 daily. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LessonCheck | 오늘의 근무 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 8 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Insu Jang](https://appshunter.io/developer/1896535837) | [Yunho Kim](https://appshunter.io/developer/6799828699) |

## What reviewers say

### LessonCheck

[App page](https://appshunter.io/ios/app/lessoncheck-my-lesson-tracker/id6774625116)

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

**In-app purchases:** none


### 오늘의 근무

[App page](https://appshunter.io/ios/app/id6811345741)

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

**In-app purchases:** none


## Frequently asked questions

### Is LessonCheck free?

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

### Is 오늘의 근무 free?

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

### Do LessonCheck or 오늘의 근무 have ads?

LessonCheck shows ads; 오늘의 근무 does not.

### Which is updated more often, LessonCheck or 오늘의 근무?

LessonCheck ships an update every 2 days, and 오늘의 근무 daily. Most recently, LessonCheck was updated on November 10, 2026 and 오늘의 근무 on October 31, 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.*