# 钣金人 vs 风管计算器

The clearest difference is update cadence: 风管计算器 at every 4 days against 钣金人's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 钣金人 sells 6 one-off in-app purchases and 风管计算器 sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

钣金人 ships an update fortnightly, 风管计算器 every 4 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 钣金人 | 风管计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 62 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [爱龙 夏](https://appshunter.io/developer/1676873003) | [强 余](https://appshunter.io/developer/1116393375) |

## What reviewers say

### 钣金人

[App page](https://appshunter.io/ios/app/id6450397271)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 付费咨询 | $14.99 | one-time |
| 付费咨询 | $19.99 | one-time |
| 付费咨询 | $29.99 | one-time |
| 永久会员 | $39.99 | one-time |


### 风管计算器

[App page](https://appshunter.io/ios/app/id6757332165)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC_1_Month | $0.99 | per month |
| HVAC_3_Month | $1.99 | per 3 months |
| HVAC_6_Month | $3.99 | per 6 months |
| HVAC_1_Year | $5.99 | per year |


## Frequently asked questions

### Is 钣金人 free?

钣金人 is free to download, with in-app purchases available.

### Is 风管计算器 free?

风管计算器 is free to download, with in-app purchases available.

### Do 钣金人 or 风管计算器 have ads?

Neither 钣金人 nor 风管计算器 shows ads.

### Which is updated more often, 钣金人 or 风管计算器?

钣金人 ships an update fortnightly, and 风管计算器 every 4 days. Most recently, 钣金人 was updated on October 24, 2026 and 风管计算器 on October 3, 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.*