# 空气焓湿计算 vs AIDC FM

The clearest difference is update cadence: AIDC FM at every 5 weeks against 空气焓湿计算's every 12 months. 空气焓湿计算's advantage is iOS requirement (9.0 vs 17.0). 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.

空气焓湿计算 ships an update every 12 months, AIDC FM every 5 weeks. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 空气焓湿计算 | AIDC FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1244060244/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Size | 25 MB | 22 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [建华 傅](https://appshunter.io/developer/1265699210) | [远儒 易](https://appshunter.io/developer/1800987473) |

## What reviewers say

### 空气焓湿计算

[App page](https://appshunter.io/ios/app/id1244060244)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIDC FM

[App page](https://appshunter.io/ios/app/aidc-fm-data-center-ops/id6744644168)

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

**In-app purchases:** none


## Frequently asked questions

### Is 空气焓湿计算 free?

空气焓湿计算 is free to download, with no in-app purchases.

### Is AIDC FM free?

AIDC FM is free to download, with no in-app purchases.

### Do 空气焓湿计算 or AIDC FM have ads?

Neither 空气焓湿计算 nor AIDC FM shows ads.

### Which is updated more often, 空气焓湿计算 or AIDC FM?

空气焓湿计算 ships an update every 12 months, and AIDC FM every 5 weeks. Most recently, 空气焓湿计算 was updated on September 30, 2026 and AIDC FM on October 24, 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.*