# HVAC/R AI Pro vs SubRenew

The clearest difference is update cadence: HVAC/R AI Pro at every 5 weeks against SubRenew's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HVAC/R AI Pro sells 2 in-app purchases, starting at $9.99 per month and SubRenew sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HVAC/R AI Pro ships an update every 5 weeks, SubRenew every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | HVAC/R AI Pro | SubRenew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/hvacr-ai-pro/id6747730624/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 94 MB | 2 MB |
| Requires iOS | 16.4 | **16.3** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Cowboy G Industries LLC](https://appshunter.io/developer/1822667807) | [Luan Cu Xuan](https://appshunter.io/developer/1892678405) |

## What reviewers say

### HVAC/R AI Pro

[App page](https://appshunter.io/ios/app/hvacr-ai-pro/id6747730624)

This app provides HVAC and refrigeration technicians with AI-powered diagnostic assistance, duct sizing calculations, and job estimation tools. It offers step-by-step troubleshooting, airflow analysis, and photo-based equipment support to streamline service calls.

**Highlights:** AI Diagnostic Assistant, Step-by-step troubleshooting, Duct sizing calculations, Airflow analysis, Job estimate tool, Photo-based equipment support, Chat history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| Pro | $19.99 | per month |


### SubRenew

[App page](https://appshunter.io/ios/app/subrenew/id6790657254)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubRenew Pro | $7.99 | one-time |


## Frequently asked questions

### Is HVAC/R AI Pro free?

HVAC/R AI Pro is free to download, with in-app purchases available.

### Is SubRenew free?

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

### Do HVAC/R AI Pro or SubRenew have ads?

Neither HVAC/R AI Pro nor SubRenew shows ads.

### Which is updated more often, HVAC/R AI Pro or SubRenew?

HVAC/R AI Pro ships an update every 5 weeks, and SubRenew every 2 months. Most recently, HVAC/R AI Pro was updated on October 25, 2026 and SubRenew on October 25, 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.*