# NPExamPro vs 松鼠鎖

The clearest difference is update cadence: 松鼠鎖 at every 3 days against NPExamPro's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NPExamPro sells 2 in-app purchases, starting at $2.99 per month and 松鼠鎖 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

NPExamPro ships an update every 3 weeks, 松鼠鎖 every 3 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | NPExamPro | 松鼠鎖 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 5 MB | 115 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ming-Yu Hsieh](https://appshunter.io/developer/1877335792) | [Evan Tsai](https://appshunter.io/developer/1895553439) |

## What reviewers say

### NPExamPro

[App page](https://appshunter.io/ios/app/npexampro/id6761424763)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 月訂閱 | $2.99 | per month |
| Premium 季訂閱 | $7.99 | per 3 months |


### 松鼠鎖

[App page](https://appshunter.io/ios/app/app/id6763912454)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 松鼠鎖 Premium - 月訂閱 | $4.99 | per month |
| 松鼠鎖 Premium - 年訂閱 | $29.99 | per year |
| 松鼠鎖 Premium - 終身使用權 | $99.99 | one-time |


## Frequently asked questions

### Is NPExamPro free?

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

### Is 松鼠鎖 free?

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

### Do NPExamPro or 松鼠鎖 have ads?

Neither NPExamPro nor 松鼠鎖 shows ads.

### Which is updated more often, NPExamPro or 松鼠鎖?

NPExamPro ships an update every 3 weeks, and 松鼠鎖 every 3 days. Most recently, NPExamPro was updated on October 11, 2026 and 松鼠鎖 on October 3, 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.*