# 白老師紐聖西 vs SDG社創銀河

The clearest difference is update cadence: 白老師紐聖西 at every 2 months against SDG社創銀河's every 31 months. SDG社創銀河's advantage is iOS requirement (12 vs 15.6). 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.

白老師紐聖西 ships an update every 2 months, SDG社創銀河 every 31 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 白老師紐聖西 | SDG社創銀河 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 31 months |
| Size | 98 MB | 123 MB |
| Requires iOS | 15.6 | **12** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PEI-YU BAI](https://appshunter.io/developer/1512414666) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### 白老師紐聖西

[App page](https://appshunter.io/ios/app/id1251294968)

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

**In-app purchases:** none


### SDG社創銀河

[App page](https://appshunter.io/ios/app/sdg/id1660878495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 白老師紐聖西 free?

白老師紐聖西 is free to download, with no in-app purchases.

### Is SDG社創銀河 free?

SDG社創銀河 is free to download, with no in-app purchases.

### Do 白老師紐聖西 or SDG社創銀河 have ads?

Neither 白老師紐聖西 nor SDG社創銀河 shows ads.

### Which is updated more often, 白老師紐聖西 or SDG社創銀河?

白老師紐聖西 ships an update every 2 months, and SDG社創銀河 every 31 months. Most recently, 白老師紐聖西 was updated on October 13, 2026 and SDG社創銀河 on October 19, 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.*