# 上上签 vs 金钟反诈卫士

The clearest difference is in-app purchases: 上上签 at none against 金钟反诈卫士's 4. 金钟反诈卫士's advantage is update cadence (weekly vs every 2 months) and ratings volume (89 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. 金钟反诈卫士 sells 4 in-app purchases, starting at $0.99 per 6 months. 上上签 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 上上签 against 5.0 for 金钟反诈卫士. That said, the two scores are not equally well evidenced: 金钟反诈卫士 has 89 ratings behind it against 1, so its average is the more settled of the two.

上上签 ships an update every 2 months, 金钟反诈卫士 weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 上上签 | 金钟反诈卫士 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id955123098/reviews)** | [5.0 (89 ratings)](https://appshunter.io/ios/app/id1550035481/reviews) |
| Number of ratings | 1 | **89** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 46 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州尚尚签网络科技有限公司](https://appshunter.io/developer/955123097) | [方园 赵](https://appshunter.io/developer/1545370454) |

## What reviewers say

### 上上签

[App page](https://appshunter.io/ios/app/id955123098)

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

**In-app purchases:** none


### 金钟反诈卫士

[App page](https://appshunter.io/ios/app/id1550035481)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年会员 | $0.99 | per 6 months |
| 年度会员 | $1.99 | per year |
| 金钟罩半年会员 | $4.49 | per 6 months |
| 金钟罩年度会员 | $7.49 | per year |


## Frequently asked questions

### Is 上上签 free?

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

### Is 金钟反诈卫士 free?

金钟反诈卫士 is free to download, with in-app purchases available.

### Which has better reviews, 上上签 or 金钟反诈卫士?

上上签 is rated higher. 上上签 averages 5.0 out of 5 from 1 ratings, while 金钟反诈卫士 averages 5.0 from 89 ratings.

### Do 上上签 or 金钟反诈卫士 have ads?

Neither 上上签 nor 金钟反诈卫士 shows ads.

### Which is updated more often, 上上签 or 金钟反诈卫士?

上上签 ships an update every 2 months, and 金钟反诈卫士 weekly. Most recently, 上上签 was updated on October 23, 2026 and 金钟反诈卫士 on October 24, 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.*