# 시원스쿨 B2B vs 컴시간알리미

The clearest difference is in-app purchases: 컴시간알리미 at none against 시원스쿨 B2B's 1. 컴시간알리미 also leads on rating (5.0 vs 4.8). 시원스쿨 B2B's advantage is ads (none vs shown) and ratings volume (13 vs 2). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. 시원스쿨 B2B sells 1 one-off in-app purchase. 컴시간알리미 asks for nothing beyond the download.

컴시간알리미 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 시원스쿨 B2B has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 64% of 시원스쿨 B2B's written reviews are positive against 60% of 컴시간알리미's, so the app with the better star average is not the one people write more warmly about.

시원스쿨 B2B ships an update every 6 weeks, 컴시간알리미 monthly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 시원스쿨 B2B | 컴시간알리미 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13 ratings)](https://appshunter.io/ios/app/b2b/id1466172973/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6478664393/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | **64.3% of reviews** | 60.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 89 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siwonschool](https://appshunter.io/developer/473647838) | [컴시간](https://appshunter.io/developer/1733646932) |

## What reviewers say

### 시원스쿨 B2B

[App page](https://appshunter.io/ios/app/b2b/id1466172973)

This app provides access to all lectures for corporate and group members. Enjoy convenient lecture playback with background audio, seamless continuation, and offline downloads. Track your progress by package or individual course.

**Highlights:** Background playback, Lecture review/study question submission, Continue listening to lectures, Download and select lectures, View progress by package/course

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 기초영어 왕초보속성코스 | $99.99 | one-time |


### 컴시간알리미

[App page](https://appshunter.io/ios/app/id6478664393)

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

**In-app purchases:** none


## Frequently asked questions

### Is 시원스쿨 B2B free?

시원스쿨 B2B is free to download, with in-app purchases available.

### Is 컴시간알리미 free?

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

### Which has better reviews, 시원스쿨 B2B or 컴시간알리미?

컴시간알리미 is rated higher. 시원스쿨 B2B averages 4.8 out of 5 from 13 ratings, while 컴시간알리미 averages 5.0 from 2 ratings.

### Do 시원스쿨 B2B or 컴시간알리미 have ads?

컴시간알리미 shows ads; 시원스쿨 B2B does not.

### Which is updated more often, 시원스쿨 B2B or 컴시간알리미?

시원스쿨 B2B ships an update every 6 weeks, and 컴시간알리미 monthly. Most recently, 시원스쿨 B2B was updated on September 10, 2026 and 컴시간알리미 on September 22, 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.*