# AirCalc HVAC vs Construction Calc

The clearest difference is iOS requirement: AirCalc HVAC at 16.0 against Construction Calc's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AirCalc HVAC sells 2 in-app purchases, starting at $5.99 per month and Construction Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AirCalc HVAC ships an update every 5 weeks, Construction Calc every 2 months. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AirCalc HVAC | Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 22 MB | 15 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Spagnoletti](https://appshunter.io/developer/1887625027) | [Alona Nesterenko](https://appshunter.io/developer/1890650834) |

## What reviewers say

### AirCalc HVAC

[App page](https://appshunter.io/ios/app/aircalc-hvac/id6761069126)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| AirCalc Pro Annual | $59.99 | per year |


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-toolbox/id6792015651)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is AirCalc HVAC free?

AirCalc HVAC is free to download, with in-app purchases available.

### Is Construction Calc free?

Construction Calc is free to download, with in-app purchases available.

### Do AirCalc HVAC or Construction Calc have ads?

Neither AirCalc HVAC nor Construction Calc shows ads.

### Which is updated more often, AirCalc HVAC or Construction Calc?

AirCalc HVAC ships an update every 5 weeks, and Construction Calc every 2 months. Most recently, AirCalc HVAC was updated on October 31, 2026 and Construction Calc on November 5, 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.*