# BaiYang vs 技術士考照模擬 PRO

The clearest difference is in-app purchases: BaiYang at none against 技術士考照模擬 PRO's 2. BaiYang also leads on update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 技術士考照模擬 PRO sells 2 one-off in-app purchases. BaiYang asks for nothing beyond the download.

BaiYang ships an update monthly, 技術士考照模擬 PRO every 2 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BaiYang | 技術士考照模擬 PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 119 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengchi Wang](https://appshunter.io/developer/1562631960) | [Yu Shiung Jiang](https://appshunter.io/developer/612234939) |

## What reviewers say

### BaiYang

[App page](https://appshunter.io/ios/app/baiyang/id1562631958)

**Features:** macOS Compatibility

**In-app purchases:** none


### 技術士考照模擬 PRO

[App page](https://appshunter.io/ios/app/pro/id6770287218)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkillExamCoach Pro 年度解鎖 | $14.99 | one-time |
| SkillExamCoach Pro 永久解鎖 | $29.99 | one-time |


## Frequently asked questions

### Is BaiYang free?

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

### Is 技術士考照模擬 PRO free?

技術士考照模擬 PRO is free to download, with in-app purchases available.

### Do BaiYang or 技術士考照模擬 PRO have ads?

Neither BaiYang nor 技術士考照模擬 PRO shows ads.

### Which is updated more often, BaiYang or 技術士考照模擬 PRO?

BaiYang ships an update monthly, and 技術士考照模擬 PRO every 2 months. Most recently, BaiYang was updated on October 1, 2026 and 技術士考照模擬 PRO on September 29, 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.*