# 단끝 vs (구) 이투스 수강앱

The clearest difference is review sentiment: 단끝 at 55% against (구) 이투스 수강앱's 13%. 단끝 also leads on in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.0). (구) 이투스 수강앱's advantage is rating (1.3 vs 1.0) and ratings volume (13 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. (구) 이투스 수강앱 sells 1 one-off in-app purchase. 단끝 asks for nothing beyond the download.

(구) 이투스 수강앱 holds the better App Store score, 1.3 against 1.0. That said, the two scores are not equally well evidenced: (구) 이투스 수강앱 has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 55% of 단끝's written reviews are positive against 13% of (구) 이투스 수강앱's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 단끝 | (구) 이투스 수강앱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1361540485/reviews) | **[1.3 (13 ratings)](https://appshunter.io/ios/app/smart-study/id1486564159/reviews)** |
| Number of ratings | 1 | **13** |
| Positive reviews | **54.9% of reviews** | 12.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 39 MB | 63 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [D-SHARE CO.,LTD.](https://appshunter.io/developer/1110296367) | [Etoos Education](https://appshunter.io/developer/403650801) |

## What reviewers say

### 단끝

[App page](https://appshunter.io/ios/app/id1361540485)

**In-app purchases:** none


### (구) 이투스 수강앱

[App page](https://appshunter.io/ios/app/smart-study/id1486564159)

This app offers a streamlined learning experience with personalized course recommendations and exclusive content from top instructors. Enjoy features like quick streaming, offline downloads, direct Q&A with teachers, and customizable playback options for efficient study.

**Highlights:** Personalized course recommendations, Exclusive original content, Offline lecture downloads, Direct Q&A with instructors, Customizable playback speed and features, New UX/UI for user convenience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 이투스머니충전 10,000 | $11.99 | one-time |


## Frequently asked questions

### Is 단끝 free?

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

### Is (구) 이투스 수강앱 free?

(구) 이투스 수강앱 is free to download, with in-app purchases available.

### Which has better reviews, 단끝 or (구) 이투스 수강앱?

(구) 이투스 수강앱 is rated higher. 단끝 averages 1.0 out of 5 from 1 ratings, while (구) 이투스 수강앱 averages 1.3 from 13 ratings.

### Do 단끝 or (구) 이투스 수강앱 have ads?

Neither 단끝 nor (구) 이투스 수강앱 shows ads.

### Which is updated more often, 단끝 or (구) 이투스 수강앱?

단끝 ships an update every 2 months, and (구) 이투스 수강앱 every 2 months. Most recently, 단끝 was updated on October 14, 2026 and (구) 이투스 수강앱 on October 4, 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.*