# 인사교류 vs 시원스쿨 B2B

The clearest difference is review sentiment: 시원스쿨 B2B at 64% against 인사교류's 28%. 시원스쿨 B2B also leads on update cadence (every 6 weeks vs every 3 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 인사교류 sells 3 in-app purchases, starting at $4.99 per month and 시원스쿨 B2B sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

인사교류 ships an update every 3 months, 시원스쿨 B2B every 6 weeks. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 인사교류 | 시원스쿨 B2B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/b2b/id1466172973/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 27.8% of reviews | **64.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 16 MB | 89 MB |
| Requires iOS | 13.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Twenty (Apps)](https://appshunter.io/developer/1461429440) | [Siwonschool](https://appshunter.io/developer/473647838) |

## What reviewers say

### 인사교류

[App page](https://appshunter.io/ios/app/id1461429441)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 인사교류프리미엄정기구독 | $4.99 | per month |
| 프리미엄 3개월 | $9.99 | one-time |
| 인사교류프리미엄6개월 | $17.99 | one-time |


### 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 |


## Frequently asked questions

### Is 인사교류 free?

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

### Is 시원스쿨 B2B free?

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

### Do 인사교류 or 시원스쿨 B2B have ads?

Neither 인사교류 nor 시원스쿨 B2B shows ads.

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

인사교류 ships an update every 3 months, and 시원스쿨 B2B every 6 weeks. Most recently, 인사교류 was updated on September 19, 2026 and 시원스쿨 B2B on September 10, 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.*