# 門禁保全系統 vs G

The clearest difference is in-app purchases: 門禁保全系統 at none against G's 1. 門禁保全系統 also leads on ads (none vs shown). G's advantage is update cadence (every 5 days vs every 35 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. G sells 1 one-off in-app purchase. 門禁保全系統 asks for nothing beyond the download.

門禁保全系統 ships an update every 35 months, G every 5 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 門禁保全系統 | G |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 35 months | **Every 5 days** |
| Size | 9 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FIRST SYSTEM TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1468650798) | [Min-Tsung Tasi](https://appshunter.io/developer/1882756546) |

## What reviewers say

### 門禁保全系統

[App page](https://appshunter.io/ios/app/id1468650799)

**Features:** macOS Compatibility

**In-app purchases:** none


### G

[App page](https://appshunter.io/ios/app/g-force-meter-tracker/id6761318976)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 | $1.99 | one-time |


## Frequently asked questions

### Is 門禁保全系統 free?

門禁保全系統 is free to download, with no in-app purchases.

### Is G free?

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

### Do 門禁保全系統 or G have ads?

G shows ads; 門禁保全系統 does not.

### Which is updated more often, 門禁保全系統 or G?

門禁保全系統 ships an update every 35 months, and G every 5 days. Most recently, 門禁保全系統 was updated on October 9, 2026 and G on October 18, 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.*