# 오늘 수업 vs CheckBee

The clearest difference is in-app purchases: 오늘 수업 at none against CheckBee's 12. 오늘 수업 also leads on ads (none vs shown). CheckBee's advantage is update cadence (every 3 days vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CheckBee sells 12 in-app purchases, starting at $0.99 per month. 오늘 수업 asks for nothing beyond the download.

오늘 수업 ships an update weekly, CheckBee every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 오늘 수업 | CheckBee |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 64 MB | 64 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Modamu](https://appshunter.io/developer/1612221862) | [SANGWOO YUN](https://appshunter.io/developer/1662427443) |

## What reviewers say

### 오늘 수업

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

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

**In-app purchases:** none


### CheckBee

[App page](https://appshunter.io/ios/app/checkbee-auto-attendance/id6467549733)

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 | $0.99 | per month |
| CHECK Lite | $1.99 | per month |
| Premium 2 | $3.99 | per month |
| CHECK Plus | $6.99 | per month |
| Premium 3 | $7.99 | per month |
| CHECK Business | $13.99 | per month |
| Premium 4 | $14.99 | per month |
| CHECK Lite | $19.99 | per year |
| Premium 5 | $39.99 | per month |
| CHECK Plus | $69.99 | per year |
| Premium 6 | $79.99 | per month |
| CHECK Business | $139.00 | per year |


## Frequently asked questions

### Is 오늘 수업 free?

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

### Is CheckBee free?

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

### Do 오늘 수업 or CheckBee have ads?

CheckBee shows ads; 오늘 수업 does not.

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

오늘 수업 ships an update weekly, and CheckBee every 3 days. Most recently, 오늘 수업 was updated on October 30, 2026 and CheckBee on October 25, 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.*