# Ai vs AirCalc HVAC

The clearest difference is in-app purchases: Ai at none against AirCalc HVAC's 2. Ai also leads on update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AirCalc HVAC sells 2 in-app purchases, starting at $5.99 per month. Ai asks for nothing beyond the download.

Ai ships an update every 2 weeks, AirCalc HVAC every 5 weeks. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Ai | AirCalc HVAC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 30 MB | 22 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [chienchia Lo](https://appshunter.io/developer/1705727380) | [Joshua Spagnoletti](https://appshunter.io/developer/1887625027) |

## What reviewers say

### Ai

[App page](https://appshunter.io/ios/app/ai-cloud/id6751182102)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Ai free?

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

### Is AirCalc HVAC free?

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

### Do Ai or AirCalc HVAC have ads?

Neither Ai nor AirCalc HVAC shows ads.

### Which is updated more often, Ai or AirCalc HVAC?

Ai ships an update every 2 weeks, and AirCalc HVAC every 5 weeks. Most recently, Ai was updated on October 18, 2026 and AirCalc HVAC on October 13, 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.*