# 시와정보 수강신청 vs WASSM(출결관리시스템)

The clearest difference is update cadence: WASSM(출결관리시스템) at every 4 weeks against 시와정보 수강신청's every 7 months. 시와정보 수강신청's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

시와정보 수강신청 ships an update every 7 months, WASSM(출결관리시스템) every 4 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 시와정보 수강신청 | WASSM(출결관리시스템) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Size | 11 MB | 58 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dong Jin Lee](https://appshunter.io/developer/541832543) | [Jinhak Apply](https://appshunter.io/developer/1478864562) |

## What reviewers say

### 시와정보 수강신청

[App page](https://appshunter.io/ios/app/id1491706198)

**In-app purchases:** none


### WASSM(출결관리시스템)

[App page](https://appshunter.io/ios/app/wassm/id6463086480)

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

**In-app purchases:** none


## Frequently asked questions

### Is 시와정보 수강신청 free?

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

### Is WASSM(출결관리시스템) free?

WASSM(출결관리시스템) is free to download, with no in-app purchases.

### Do 시와정보 수강신청 or WASSM(출결관리시스템) have ads?

Neither 시와정보 수강신청 nor WASSM(출결관리시스템) shows ads.

### Which is updated more often, 시와정보 수강신청 or WASSM(출결관리시스템)?

시와정보 수강신청 ships an update every 7 months, and WASSM(출결관리시스템) every 4 weeks. Most recently, 시와정보 수강신청 was updated on October 25, 2026 and WASSM(출결관리시스템) 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.*