# 오늘 수업 vs LessonCheck

The clearest difference is ads: 오늘 수업 at none against LessonCheck's shown. 오늘 수업 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). LessonCheck's advantage is update cadence (every 2 days vs weekly). On price and in-app purchases there is nothing between them.

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

오늘 수업 ships an update weekly, LessonCheck every 2 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 오늘 수업 | LessonCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 64 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Modamu](https://appshunter.io/developer/1612221862) | [Insu Jang](https://appshunter.io/developer/1896535837) |

## What reviewers say

### 오늘 수업

[App page](https://appshunter.io/ios/app/id6462989746)

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

**In-app purchases:** none


### LessonCheck

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 오늘 수업 free?

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

### Is LessonCheck free?

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

### Do 오늘 수업 or LessonCheck have ads?

LessonCheck shows ads; 오늘 수업 does not.

### Which is updated more often, 오늘 수업 or LessonCheck?

오늘 수업 ships an update weekly, and LessonCheck every 2 days. Most recently, 오늘 수업 was updated on November 3, 2026 and LessonCheck on October 28, 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.*