# AirPro vs Kane Link

The clearest difference is in-app purchases: Kane Link at none against AirPro's 2. Kane Link also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). AirPro's advantage is update cadence (every 4 days vs every 6 months). On price and device support there is nothing between them.

Both are free to download. AirPro sells 2 in-app purchases, starting at $7.99 per month. Kane Link asks for nothing beyond the download.

AirPro ships an update every 4 days, Kane Link every 6 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AirPro | Kane Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/airpro-btu-calculator/id6470185437/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 38 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) |

## What reviewers say

### AirPro

[App page](https://appshunter.io/ios/app/airpro-btu-calculator/id6470185437)

This tool helps you calculate the right size for air conditioners, heat pumps, and furnaces. It provides detailed analysis of heating and cooling costs, energy consumption, and temperature data. You can also evaluate domestic hot water needs and financial aspects like payback periods.

**Highlights:** BTU estimation for HVAC systems, Monthly heating and cooling cost calculation, Energy consumption and temperature analysis, Domestic hot water needs evaluation, Financial analysis including payback periods, Data export to CSV and PDF reports

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirPro Premium - Monthly | $7.99 | per month |
| AirPro Premium - Annual | $29.99 | per year |


### Kane Link

[App page](https://appshunter.io/ios/app/kane-link/id6553980867)

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

**In-app purchases:** none


## Frequently asked questions

### Is AirPro free?

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

### Is Kane Link free?

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

### Do AirPro or Kane Link have ads?

AirPro shows ads; Kane Link does not.

### Which is updated more often, AirPro or Kane Link?

AirPro ships an update every 4 days, and Kane Link every 6 months. Most recently, AirPro was updated on November 3, 2026 and Kane Link on November 4, 2026.

---

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