# 코딩챌린지 vs M.M.S

The clearest difference is in-app purchases: M.M.S at none against 코딩챌린지's 3. 코딩챌린지's advantage is update cadence (every 6 days vs every 3 months) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. 코딩챌린지 sells 3 in-app purchases, starting at $1.99 per month. M.M.S asks for nothing beyond the download.

코딩챌린지 ships an update every 6 days, M.M.S every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 코딩챌린지 | M.M.S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Size | 52 MB | 65 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YOUNGKYUN KANG](https://appshunter.io/developer/1362410195) | [(주)트루벨류](https://appshunter.io/developer/1523600320) |

## What reviewers say

### 코딩챌린지

[App page](https://appshunter.io/ios/app/id1625309702)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 광고제거 | $1.99 | per month |
| 3개월 광고제거 | $2.99 | per 3 months |
| 1년 광고제거 | $7.99 | per year |


### M.M.S

[App page](https://appshunter.io/ios/app/mms/id6761164085)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 코딩챌린지 free?

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

### Is M.M.S free?

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

### Do 코딩챌린지 or M.M.S have ads?

Neither 코딩챌린지 nor M.M.S shows ads.

### Which is updated more often, 코딩챌린지 or M.M.S?

코딩챌린지 ships an update every 6 days, and M.M.S every 3 months. Most recently, 코딩챌린지 was updated on October 6, 2026 and M.M.S on October 5, 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.*