# MRCOOL SmartHVAC vs Cool Mist ATX

The clearest difference is update cadence: Cool Mist ATX at every 3 days against MRCOOL SmartHVAC's every 4 weeks. MRCOOL SmartHVAC's advantage is iOS requirement (13 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MRCOOL SmartHVAC ships an update every 4 weeks, Cool Mist ATX every 3 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MRCOOL SmartHVAC | Cool Mist ATX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (12K ratings)](https://appshunter.io/ios/app/mrcool-smarthvac/id1439162688/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 49.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 144 MB | 10 MB |
| Requires iOS | **13** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) | [COOL MIST ATX, LLC](https://appshunter.io/developer/6776777110) |

## What reviewers say

### MRCOOL SmartHVAC

[App page](https://appshunter.io/ios/app/mrcool-smarthvac/id1439162688)

Transform your existing MRCOOL air conditioners and heat pumps into smart devices. Control your home's climate remotely via smartphone or voice commands, automate settings based on your location, and set personalized schedules for comfort and energy savings.

**Highlights:** Remote AC and heat pump control, Voice command integration (Alexa, Google Home), Location-based automation, Weekly scheduling, Usage history monitoring, Air filter status alerts, Intelligent temperature triggers ('Comfy' feature)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy installation
- 🚀 Convenient remote control
- 🚀 Effective heating and cooling
- 🚀 Quiet operation
- 🚀 Helpful customer support

**What reviewers complain about**

- 🐛 Inconsistent temperature readings
- 🐛 Unreliable scheduling and automation
- 🐛 Connectivity issues
- 🐛 Lack of metric unit support
- 🐛 Confusing interface and controls

**Reported bugs**

- App frequently loses connection to unit
- Schedules not working as expected
- Temperature calibration issues
- Inconsistent behavior between app, remote, and unit

**Requested features**

- Add Celsius temperature option
- Improve scheduling functionality (set on and off times)
- Integrate remote temperature sensor
- Provide energy usage monitoring
- Allow multiple user accounts


### Cool Mist ATX

[App page](https://appshunter.io/ios/app/cool-mist-atx/id6776777108)

**In-app purchases:** none


## Frequently asked questions

### Is MRCOOL SmartHVAC free?

MRCOOL SmartHVAC is free to download, with no in-app purchases.

### Is Cool Mist ATX free?

Cool Mist ATX is free to download, with no in-app purchases.

### Do MRCOOL SmartHVAC or Cool Mist ATX have ads?

Neither MRCOOL SmartHVAC nor Cool Mist ATX shows ads.

### Which is updated more often, MRCOOL SmartHVAC or Cool Mist ATX?

MRCOOL SmartHVAC ships an update every 4 weeks, and Cool Mist ATX every 3 days. Most recently, MRCOOL SmartHVAC was updated on November 11, 2026 and Cool Mist ATX on October 31, 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.*