# 售意达 vs 风险避雷针

The clearest difference is in-app purchases: 售意达 at none against 风险避雷针's 3. 售意达 also leads on iOS requirement (13.0 vs 15). 风险避雷针's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 风险避雷针 sells 3 in-app purchases, starting at $9.99 per 7 days. 售意达 asks for nothing beyond the download.

售意达 ships an update every 3 weeks, 风险避雷针 every 3 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 售意达 | 风险避雷针 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 65 MB | 19 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Muqian Information Technology Co., Ltd](https://appshunter.io/developer/1546576914) | [Dasheng Network Technology Co., LTD](https://appshunter.io/developer/1808601817) |

## What reviewers say

### 售意达

[App page](https://appshunter.io/ios/app/id6479322731)

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

**In-app purchases:** none


### 风险避雷针

[App page](https://appshunter.io/ios/app/id6776484744)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周卡会员 | $9.99 | per 7 days |
| 季度会员 | $14.99 | per 3 months |
| 年会员 | $39.99 | per year |


## Frequently asked questions

### Is 售意达 free?

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

### Is 风险避雷针 free?

风险避雷针 is free to download, with in-app purchases available.

### Do 售意达 or 风险避雷针 have ads?

Neither 售意达 nor 风险避雷针 shows ads.

### Which is updated more often, 售意达 or 风险避雷针?

售意达 ships an update every 3 weeks, and 风险避雷针 every 3 days. Most recently, 售意达 was updated on November 12, 2026 and 风险避雷针 on November 5, 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.*