# WhoisMailViewer vs 고용24(Work24)

The clearest difference is ads: WhoisMailViewer at none against 고용24(Work24)'s shown. WhoisMailViewer also leads on update cadence (daily vs every 6 weeks) and iOS requirement (12.4 vs 15.1). On price, 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.

WhoisMailViewer ships an update daily, 고용24(Work24) every 6 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | WhoisMailViewer | 고용24(Work24) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/24work24/id6478366140/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 46.6% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 31 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Whois Corp.](https://appshunter.io/developer/451387335) | [한국고용정보원](https://appshunter.io/developer/395886506) |

## What reviewers say

### WhoisMailViewer

[App page](https://appshunter.io/ios/app/whoismailviewer/id1630704857)

**Features:** macOS Compatibility

**In-app purchases:** none


### 고용24(Work24)

[App page](https://appshunter.io/ios/app/24work24/id6478366140)

This app provides comprehensive employment support information for individuals and businesses. It offers job search assistance, unemployment and parental leave benefits, and vocational training resources. Businesses can find talent, apply for employment support funds, and manage employee training.

**Highlights:** Job search and recommendations, Unemployment and parental leave benefits, Vocational training information and support, Talent recruitment for businesses, Employment support fund applications, Employee training programs

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

**In-app purchases:** none


## Frequently asked questions

### Is WhoisMailViewer free?

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

### Is 고용24(Work24) free?

고용24(Work24) is free to download, with no in-app purchases.

### Do WhoisMailViewer or 고용24(Work24) have ads?

고용24(Work24) shows ads; WhoisMailViewer does not.

### Which is updated more often, WhoisMailViewer or 고용24(Work24)?

WhoisMailViewer ships an update daily, and 고용24(Work24) every 6 weeks. Most recently, WhoisMailViewer was updated on September 17, 2026 and 고용24(Work24) on September 23, 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.*