# Daichi Connect vs Engineering Calculator HVAC

The clearest difference is device support: Engineering Calculator HVAC at 3 against Daichi Connect's —. Daichi Connect's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Daichi Connect | Engineering Calculator HVAC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Size | 29 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DAICHI Limited Liability Company](https://appshunter.io/developer/469921635) | [aleksandr bronnikov](https://appshunter.io/developer/1885003900) |

## What reviewers say

### Daichi Connect

[App page](https://appshunter.io/ios/app/daichi-connect/id6498897157)

**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 Daichi Connect free?

Daichi Connect 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.

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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.*