# G vs 안승민 사서교사

The clearest difference is in-app purchases: 안승민 사서교사 at none against G's 3. 안승민 사서교사 also leads on iOS requirement (13.6 vs 15.0). G's advantage is update cadence (fortnightly vs every 6 months). On price, ads and device support there is nothing between them.

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

G ships an update fortnightly, 안승민 사서교사 every 6 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | G | 안승민 사서교사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | — |
| Size | 101 MB | 17 MB |
| Requires iOS | 15.0 | **13.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bong Chul Koo](https://appshunter.io/developer/1471933281) | [GENSYSWORK](https://appshunter.io/developer/1761729866) |

## What reviewers say

### 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 |


### 안승민 사서교사

[App page](https://appshunter.io/ios/app/id6745682649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is G free?

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

### Is 안승민 사서교사 free?

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

### Do G or 안승민 사서교사 have ads?

Neither G nor 안승민 사서교사 shows ads.

### Which is updated more often, G or 안승민 사서교사?

G ships an update fortnightly, and 안승민 사서교사 every 6 months. Most recently, G was updated on November 3, 2026 and 안승민 사서교사 on November 8, 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.*