# HVAC Xchanger vs CMPX Show

The clearest difference is iOS requirement: CMPX Show at 11.0 against HVAC Xchanger's 15.1. 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.

HVAC Xchanger ships an update every 15 months, CMPX Show every 23 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HVAC Xchanger | CMPX Show |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 23 months |
| Size | 53 MB | 11 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jordan McRae](https://appshunter.io/developer/1403640162) | [Mobile Town Guide](https://appshunter.io/developer/1076797990) |

## What reviewers say

### HVAC Xchanger

[App page](https://appshunter.io/ios/app/hvac-xchanger/id1403640163)

**Features:** macOS Compatibility

**In-app purchases:** none


### CMPX Show

[App page](https://appshunter.io/ios/app/cmpx-show/id1615232934)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Xchanger free?

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

### Is CMPX Show free?

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

### Do HVAC Xchanger or CMPX Show have ads?

Neither HVAC Xchanger nor CMPX Show shows ads.

### Which is updated more often, HVAC Xchanger or CMPX Show?

HVAC Xchanger ships an update every 15 months, and CMPX Show every 23 months. Most recently, HVAC Xchanger was updated on October 26, 2026 and CMPX Show on October 25, 2026.

---

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