# 松鼠鎖 vs 跑跑單字

The clearest difference is update cadence: 跑跑單字 at daily against 松鼠鎖's every 3 days. 跑跑單字 also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 松鼠鎖 sells 3 in-app purchases, starting at $4.99 per month and 跑跑單字 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

松鼠鎖 ships an update every 3 days, 跑跑單字 daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | 松鼠鎖 | 跑跑單字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 115 MB | 91 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Evan Tsai](https://appshunter.io/developer/1895553439) | [Yi-Jou Su](https://appshunter.io/developer/6809726981) |

## What reviewers say

### 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 |


### 跑跑單字

[App page](https://appshunter.io/ios/app/id6809726979)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 單字本月訂 | $1.99 | per month |
| 單字本終生版 | $2.99 | one-time |
| 單字本終生版＋ | $8.99 | one-time |


## Frequently asked questions

### Is 松鼠鎖 free?

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

### Is 跑跑單字 free?

跑跑單字 is free to download, with in-app purchases available.

### Do 松鼠鎖 or 跑跑單字 have ads?

Neither 松鼠鎖 nor 跑跑單字 shows ads.

### Which is updated more often, 松鼠鎖 or 跑跑單字?

松鼠鎖 ships an update every 3 days, and 跑跑單字 daily. Most recently, 松鼠鎖 was updated on October 31, 2026 and 跑跑單字 on October 31, 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.*