# 발전왕 vs 모바일 SERP

The clearest difference is update cadence: 발전왕 at every 3 weeks against 모바일 SERP's every 3 months. 모바일 SERP's advantage is iOS requirement (13.0 vs 15.5). 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.

발전왕 ships an update every 3 weeks, 모바일 SERP every 3 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 발전왕 | 모바일 SERP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 27 MB | 136 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENlighten Co., Ltd.](https://appshunter.io/developer/1592635651) | [Webcash Co.](https://appshunter.io/developer/465909755) |

## What reviewers say

### 발전왕

[App page](https://appshunter.io/ios/app/id1603011788)

**In-app purchases:** none


### 모바일 SERP

[App page](https://appshunter.io/ios/app/serp/id6680180017)

**In-app purchases:** none


## Frequently asked questions

### Is 발전왕 free?

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

### Is 모바일 SERP free?

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

### Do 발전왕 or 모바일 SERP have ads?

Neither 발전왕 nor 모바일 SERP shows ads.

### Which is updated more often, 발전왕 or 모바일 SERP?

발전왕 ships an update every 3 weeks, and 모바일 SERP every 3 months. Most recently, 발전왕 was updated on October 24, 2026 and 모바일 SERP on October 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.*