# 서울교대 Smart ID vs G

The clearest difference is in-app purchases: 서울교대 Smart ID at none against G's 3. 서울교대 Smart ID also leads on iOS requirement (8.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. G sells 3 one-off in-app purchases. 서울교대 Smart ID asks for nothing beyond the download.

서울교대 Smart ID ships an update every 2 weeks, G fortnightly. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 서울교대 Smart ID | G |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 4.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 33 MB | 101 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SYMTRA KOREA CO., LTD.](https://appshunter.io/developer/441041542) | [Bong Chul Koo](https://appshunter.io/developer/1471933281) |

## What reviewers say

### 서울교대 Smart ID

[App page](https://appshunter.io/ios/app/smart-id/id1208037068)

**Features:** macOS Compatibility

**In-app purchases:** none


### G

[App page](https://appshunter.io/ios/app/g-school/id1594527906)

This mobile player allows users to conveniently access and watch educational lectures anytime, anywhere. It offers various playback options, including streaming and downloading, with features like speed control, bookmarking, and screen rotation.

**Highlights:** Mobile lecture player, Stream or download lectures, Adjust playback speed, Bookmark lecture sections, Screen rotation and 10-second skip, Brightness and volume control, Download management

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Actuality of speech content | $69.99 | one-time |
| (3-11월) 임용독존 모의고사 패키지 | $84.99 | one-time |
| (1-4월) 이론과정 패키지(마운용 전공국어) | $299.99 | one-time |


## Frequently asked questions

### Is 서울교대 Smart ID free?

서울교대 Smart ID is free to download, with no in-app purchases.

### Is G free?

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

### Do 서울교대 Smart ID or G have ads?

Neither 서울교대 Smart ID nor G shows ads.

### Which is updated more often, 서울교대 Smart ID or G?

서울교대 Smart ID ships an update every 2 weeks, and G fortnightly. Most recently, 서울교대 Smart ID was updated on October 26, 2026 and G on October 15, 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.*