# 레슨북 출결 vs Nuco

The clearest difference is update cadence: Nuco at every 10 days against 레슨북 출결's every 71 months. 레슨북 출결's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). 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.

레슨북 출결 ships an update every 71 months, Nuco every 10 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 레슨북 출결 | Nuco |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 71 months | **Every 10 days** |
| Size | 1 MB | 90 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [제이쓰리랩(주)](https://appshunter.io/developer/1780749019) | [Nucolab](https://appshunter.io/developer/1728963610) |

## What reviewers say

### 레슨북 출결

[App page](https://appshunter.io/ios/app/id1507079722)

**In-app purchases:** none


### Nuco

[App page](https://appshunter.io/ios/app/nuco/id6772501719)

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

**In-app purchases:** none


## Frequently asked questions

### Is 레슨북 출결 free?

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

### Is Nuco free?

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

### Do 레슨북 출결 or Nuco have ads?

Neither 레슨북 출결 nor Nuco shows ads.

### Which is updated more often, 레슨북 출결 or Nuco?

레슨북 출결 ships an update every 71 months, and Nuco every 10 days. Most recently, 레슨북 출결 was updated on October 14, 2026 and Nuco on October 19, 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.*