# 그린 마일리지 vs 에스덕

The clearest difference is update cadence: 에스덕 at every 4 days against 그린 마일리지's every 2 weeks. 그린 마일리지's advantage is iOS requirement (13.0 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.

그린 마일리지 ships an update every 2 weeks, 에스덕 every 4 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 그린 마일리지 | 에스덕 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 3 MB | 86 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gyeongbuk Software Highschool](https://appshunter.io/developer/1632380349) | [ZANG YEOB YANG](https://appshunter.io/developer/1706447763) |

## What reviewers say

### 그린 마일리지

[App page](https://appshunter.io/ios/app/id6448703035)

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

**In-app purchases:** none


### 에스덕

[App page](https://appshunter.io/ios/app/id6455375105)

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

**In-app purchases:** none


## Frequently asked questions

### Is 그린 마일리지 free?

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

### Is 에스덕 free?

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

### Do 그린 마일리지 or 에스덕 have ads?

Neither 그린 마일리지 nor 에스덕 shows ads.

### Which is updated more often, 그린 마일리지 or 에스덕?

그린 마일리지 ships an update every 2 weeks, and 에스덕 every 4 days. Most recently, 그린 마일리지 was updated on October 7, 2026 and 에스덕 on October 24, 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.*