# 이티엘 vs CU스쿨

The clearest difference is update cadence: CU스쿨 at every 5 days against 이티엘's every 3 months. 이티엘's advantage is device support (3 vs 1) and iOS requirement (9.2 vs 17.6). On price, ads 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.

이티엘 ships an update every 3 months, CU스쿨 every 5 days. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 이티엘 | CU스쿨 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 38.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 20 MB | 97 MB |
| Requires iOS | **9.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jae Yun Kim](https://appshunter.io/developer/701610887) | [KYUHAN KIM](https://appshunter.io/developer/1290634999) |

## What reviewers say

### 이티엘

[App page](https://appshunter.io/ios/app/id1023337918)

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

**In-app purchases:** none


### CU스쿨

[App page](https://appshunter.io/ios/app/cu/id1503486454)

Manage staff and store operations efficiently with this app. Features include attendance tracking, payroll calculation, task checklists, and expiration date management. Stay informed with alerts for important renewals and tasks.

**Highlights:** Staff attendance and payroll, Daily checklists and work logs, Expiration date calendar, Renewal alerts for certifications, Remote attendance monitoring, Staff schedule viewing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 이티엘 free?

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

### Is CU스쿨 free?

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

### Do 이티엘 or CU스쿨 have ads?

Neither 이티엘 nor CU스쿨 shows ads.

### Which is updated more often, 이티엘 or CU스쿨?

이티엘 ships an update every 3 months, and CU스쿨 every 5 days. Most recently, 이티엘 was updated on October 6, 2026 and CU스쿨 on October 27, 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.*