# 千豆故障码查询 vs HVAC PT Chart Toolkit

The clearest difference is price: 千豆故障码查询 at Free against HVAC PT Chart Toolkit's $3.99. 千豆故障码查询 also leads on iOS requirement (9.0 vs 17.6). HVAC PT Chart Toolkit's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

千豆故障码查询 is free to download; HVAC PT Chart Toolkit costs $3.99 up front. 千豆故障码查询 sells 3 one-off in-app purchases. HVAC PT Chart Toolkit asks for nothing beyond the download.

## The numbers

| Metric | 千豆故障码查询 | HVAC PT Chart Toolkit |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 22 MB | 3 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Gengyun Network Technology Co., Ltd](https://appshunter.io/developer/1498713734) | [润强 何](https://appshunter.io/developer/1821337209) |

## What reviewers say

### 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 |


### HVAC PT Chart Toolkit

[App page](https://appshunter.io/ios/app/hvac-pt-chart-toolkit/id6770447697)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is HVAC PT Chart Toolkit free?

HVAC PT Chart Toolkit costs $3.99, with no in-app purchases.

### Do 千豆故障码查询 or HVAC PT Chart Toolkit have ads?

Neither 千豆故障码查询 nor HVAC PT Chart Toolkit shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*