# ICM X Ref vs Heating & Cooling HVAC Pro+

The clearest difference is ratings volume: Heating & Cooling HVAC Pro+ at 45 against ICM X Ref's 1. ICM X Ref's advantage is rating (5.0 vs 4.8) and monetization model (free vs ad-supported). On price, update cadence, ads 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.

ICM X Ref holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Heating & Cooling HVAC Pro+ has 45 ratings behind it against 1, so its average is the more settled of the two.

ICM X Ref ships an update every 2 months, Heating & Cooling HVAC Pro+ every 6 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ICM X Ref | Heating & Cooling HVAC Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/icm-x-ref/id1198779447/reviews)** | [4.8 (45 ratings)](https://appshunter.io/ios/app/heating-and-cooling-hvac-pro-plus/id1356690113/reviews) |
| Number of ratings | 1 | **45** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 50 MB | 164 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ICM controls corp](https://appshunter.io/developer/879929077) | [Watsco, Inc.](https://appshunter.io/developer/510378878) |

## What reviewers say

### ICM X Ref

[App page](https://appshunter.io/ios/app/icm-x-ref/id1198779447)

This application allows users to search for ICM part numbers as aftermarket replacements for OEM products. It also helps locate nearby distributors and provides direct access to ICM technical support.

**Highlights:** Search ICM part numbers, Find aftermarket replacements, Locate distributors, Contact technical support

**Features:** macOS Compatibility

**In-app purchases:** none


### Heating & Cooling HVAC Pro+

[App page](https://appshunter.io/ios/app/heating-and-cooling-hvac-pro-plus/id1356690113)

This app provides HVAC professionals with quick access to product information, tools, and support. It allows users to check pricing, availability, find locations, and manage warranty claims. Features include a PT calculator, duct calculators, and a flashlight tool for on-site work.

**Highlights:** View pricing and order status, Real-time product availability, Find branch locations and hours, Scan barcodes for product lookup, Submit warranty claims, Access spec sheets and diagrams, Live technical support chat, Inventory replenishment tool

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

**In-app purchases:** none


## Frequently asked questions

### Is ICM X Ref free?

ICM X Ref is free to download, with no in-app purchases.

### Is Heating & Cooling HVAC Pro+ free?

Heating & Cooling HVAC Pro+ is free to download, with no in-app purchases.

### Which has better reviews, ICM X Ref or Heating & Cooling HVAC Pro+?

ICM X Ref is rated higher. ICM X Ref averages 5.0 out of 5 from 1 ratings, while Heating & Cooling HVAC Pro+ averages 4.8 from 45 ratings.

### Do ICM X Ref or Heating & Cooling HVAC Pro+ have ads?

Neither ICM X Ref nor Heating & Cooling HVAC Pro+ shows ads.

### Which is updated more often, ICM X Ref or Heating & Cooling HVAC Pro+?

ICM X Ref ships an update every 2 months, and Heating & Cooling HVAC Pro+ every 6 weeks. Most recently, ICM X Ref was updated on October 14, 2026 and Heating & Cooling HVAC Pro+ on October 12, 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.*