# 诊断宝 vs Fire Wheels

The clearest difference is update cadence: Fire Wheels at every 9 days against 诊断宝's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

诊断宝 ships an update every 5 weeks, Fire Wheels every 9 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 诊断宝 | Fire Wheels |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 44 MB | 28 MB |
| Requires iOS | 12.0 | **11** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建玲 张](https://appshunter.io/developer/1455717731) | [永泉 官](https://appshunter.io/developer/1615724563) |

## What reviewers say

### 诊断宝

[App page](https://appshunter.io/ios/app/id6740479627)

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

**In-app purchases:** none


### Fire Wheels

[App page](https://appshunter.io/ios/app/fire-wheels/id6747603127)

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

**In-app purchases:** none


## Frequently asked questions

### Is 诊断宝 free?

诊断宝 is free to download, with no in-app purchases.

### Is Fire Wheels free?

Fire Wheels is free to download, with no in-app purchases.

### Do 诊断宝 or Fire Wheels have ads?

Neither 诊断宝 nor Fire Wheels shows ads.

### Which is updated more often, 诊断宝 or Fire Wheels?

诊断宝 ships an update every 5 weeks, and Fire Wheels every 9 days. Most recently, 诊断宝 was updated on October 7, 2026 and Fire Wheels on October 10, 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.*