# 공사알리미 vs 웰카

The clearest difference is update cadence: 웰카 at fortnightly against 공사알리미's every 52 months. 공사알리미's advantage is review sentiment (50% vs 30%) and iOS requirement (11.0 vs 15.0). 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.

공사알리미 ships an update every 52 months, 웰카 fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 공사알리미 | 웰카 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 4 MB | 210 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [donghyun KIM](https://appshunter.io/developer/1246064897) | [SANRROKSU](https://appshunter.io/developer/1504856898) |

## What reviewers say

### 공사알리미

[App page](https://appshunter.io/ios/app/id1246064898)

**Features:** macOS Compatibility

**In-app purchases:** none


### 웰카

[App page](https://appshunter.io/ios/app/id1504856899)

Compare rental and lease discounts from over 30 companies in just one minute. Explore immediate stock and special offer vehicle lists, and receive consultations for your new car purchase.

**Highlights:** Compare 30+ rental/lease discounts, View immediate stock and special offers, Consultations for new car purchases, Explore auto cashback/installment plans, Check new car package quotes

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

**In-app purchases:** none


## Frequently asked questions

### Is 공사알리미 free?

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

### Is 웰카 free?

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

### Do 공사알리미 or 웰카 have ads?

Neither 공사알리미 nor 웰카 shows ads.

### Which is updated more often, 공사알리미 or 웰카?

공사알리미 ships an update every 52 months, and 웰카 fortnightly. Most recently, 공사알리미 was updated on November 2, 2026 and 웰카 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*