# ICM X Ref vs TEC Excelsior HVAC Pro+

The clearest difference is rating: ICM X Ref at 5.0 against TEC Excelsior HVAC Pro+'s 4.4. ICM X Ref also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 16.0). TEC Excelsior HVAC Pro+'s advantage is ratings volume (12 vs 1). 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 4.4. That said, the two scores are not equally well evidenced: TEC Excelsior HVAC Pro+ has 12 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ICM X Ref | TEC Excelsior HVAC Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/icm-x-ref/id1198779447/reviews)** | [4.4 (12 ratings)](https://appshunter.io/ios/app/tec-excelsior-hvac-pro-plus/id1610400044/reviews) |
| Number of ratings | 1 | **12** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 50 MB | 163 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


### TEC Excelsior HVAC Pro+

[App page](https://appshunter.io/ios/app/tec-excelsior-hvac-pro-plus/id1610400044)

This app provides HVAC professionals with quick access to product information, pricing, and availability. It includes tools for searching equipment, verifying warranties, and accessing technical documents, streamlining on-site work.

**Highlights:** View pricing and order status, Real-time product availability, Search HVAC models and parts, Verify warranty and submit claims, Access spec sheets and diagrams, HVAC calculators (PT, Sub-Cool, Superheat), Branch locator and directions

**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 TEC Excelsior HVAC Pro+ free?

TEC Excelsior HVAC Pro+ is free to download, with no in-app purchases.

### Which has better reviews, ICM X Ref or TEC Excelsior HVAC Pro+?

ICM X Ref is rated higher. ICM X Ref averages 5.0 out of 5 from 1 ratings, while TEC Excelsior HVAC Pro+ averages 4.4 from 12 ratings.

### Do ICM X Ref or TEC Excelsior HVAC Pro+ have ads?

Neither ICM X Ref nor TEC Excelsior HVAC Pro+ shows ads.

### Which is updated more often, ICM X Ref or TEC Excelsior HVAC Pro+?

ICM X Ref ships an update every 2 months, and TEC Excelsior HVAC Pro+ every 2 months. Most recently, ICM X Ref was updated on October 21, 2026 and TEC Excelsior HVAC Pro+ on October 24, 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.*