# SDA교육 vs 더퍼스트클래스

The clearest difference is update cadence: 더퍼스트클래스 at every 2 weeks against SDA교육's every 6 months. 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.

SDA교육 ships an update every 6 months, 더퍼스트클래스 every 2 weeks. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SDA교육 | 더퍼스트클래스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6789031516/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 31 MB | 14 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Nexmotion. Inc](https://appshunter.io/developer/1218599652) | [JAEPAX](https://appshunter.io/developer/1753631030) |

## What reviewers say

### SDA교육

[App page](https://appshunter.io/ios/app/sda/id6747026245)

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

**In-app purchases:** none


### 더퍼스트클래스

[App page](https://appshunter.io/ios/app/id6789031516)

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

**In-app purchases:** none


## Frequently asked questions

### Is SDA교육 free?

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

### Is 더퍼스트클래스 free?

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

### Do SDA교육 or 더퍼스트클래스 have ads?

Neither SDA교육 nor 더퍼스트클래스 shows ads.

### Which is updated more often, SDA교육 or 더퍼스트클래스?

SDA교육 ships an update every 6 months, and 더퍼스트클래스 every 2 weeks. Most recently, SDA교육 was updated on October 8, 2026 and 더퍼스트클래스 on October 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.*