# Condair vs Engineering Calculator HVAC

The clearest difference is update cadence: Condair at every 3 months against Engineering Calculator HVAC's every 6 months. Condair also leads on iOS requirement (8.0 vs 15.0). 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.

Condair ships an update every 3 months, Engineering Calculator HVAC every 6 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Condair | Engineering Calculator HVAC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 2 MB | 19 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Condair A/S](https://appshunter.io/developer/642373446) | [aleksandr bronnikov](https://appshunter.io/developer/1885003900) |

## What reviewers say

### Condair

[App page](https://appshunter.io/ios/app/condair/id642373443)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineering Calculator HVAC

[App page](https://appshunter.io/ios/app/engineering-calculator-hvac/id6760564633)

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

**In-app purchases:** none


## Frequently asked questions

### Is Condair free?

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

### Is Engineering Calculator HVAC free?

Engineering Calculator HVAC is free to download, with no in-app purchases.

### Do Condair or Engineering Calculator HVAC have ads?

Neither Condair nor Engineering Calculator HVAC shows ads.

### Which is updated more often, Condair or Engineering Calculator HVAC?

Condair ships an update every 3 months, and Engineering Calculator HVAC every 6 months. Most recently, Condair was updated on October 11, 2026 and Engineering Calculator HVAC on October 8, 2026.

---

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