# MY汽车卫士 vs 千豆故障码查询

The clearest difference is in-app purchases: MY汽车卫士 at none against 千豆故障码查询's 3. MY汽车卫士 also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 千豆故障码查询 sells 3 one-off in-app purchases. MY汽车卫士 asks for nothing beyond the download.

MY汽车卫士 ships an update every 3 weeks, 千豆故障码查询 every 2 months. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | MY汽车卫士 | 千豆故障码查询 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 76 MB | 22 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建玲 张](https://appshunter.io/developer/1455717731) | [Changsha Gengyun Network Technology Co., Ltd](https://appshunter.io/developer/1498713734) |

## What reviewers say

### MY汽车卫士

[App page](https://appshunter.io/ios/app/my/id1455717732)

**Features:** macOS Compatibility

**In-app purchases:** none


### 千豆故障码查询

[App page](https://appshunter.io/ios/app/id6444245231)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天会员 | $0.99 | one-time |
| 季卡会员 | $2.99 | one-time |
| 年卡会员 | $7.99 | one-time |


## Frequently asked questions

### Is MY汽车卫士 free?

MY汽车卫士 is free to download, with no in-app purchases.

### Is 千豆故障码查询 free?

千豆故障码查询 is free to download, with in-app purchases available.

### Do MY汽车卫士 or 千豆故障码查询 have ads?

Neither MY汽车卫士 nor 千豆故障码查询 shows ads.

### Which is updated more often, MY汽车卫士 or 千豆故障码查询?

MY汽车卫士 ships an update every 3 weeks, and 千豆故障码查询 every 2 months. Most recently, MY汽车卫士 was updated on September 20, 2026 and 千豆故障码查询 on September 23, 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.*