# MRCOOL SmartHVAC vs MRCOOL Universal

The clearest difference is rating: MRCOOL SmartHVAC at 4.7 against MRCOOL Universal's 1.4. MRCOOL SmartHVAC also leads on review sentiment (49% vs 17%) and ratings volume (9.8K vs 14). MRCOOL Universal's advantage is update cadence (every 2 days vs every 4 weeks) and iOS requirement (10.0 vs 13). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.7 against 1.4. That said, the two scores are not equally well evidenced: MRCOOL SmartHVAC has 9.8K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 49% of MRCOOL SmartHVAC's written reviews are positive against 17% of MRCOOL Universal's.

MRCOOL SmartHVAC ships an update every 4 weeks, MRCOOL Universal every 2 days. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MRCOOL SmartHVAC | MRCOOL Universal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9.8K ratings)](https://appshunter.io/ios/app/mrcool-smarthvac/id1439162688/reviews)** | [1.4 (14 ratings)](https://appshunter.io/ios/app/mrcool-universal/id1506149089/reviews) |
| Number of ratings | **9.8K** | 14 |
| Positive reviews | **49.4% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 144 MB | 10 MB |
| Requires iOS | 13 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) | [HaiLin Energy Technology Inc.](https://appshunter.io/developer/860466636) |

## 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


### MRCOOL Universal

[App page](https://appshunter.io/ios/app/mrcool-universal/id1506149089)

Control your smart thermostat remotely to adjust the temperature from anywhere. Optimize your home's climate with this easy-to-use controller. Some features require an internet connection.

**Highlights:** Remote temperature adjustment, Control from anywhere, Easy-to-use interface, Requires internet for some features

**In-app purchases:** none


## Frequently asked questions

### Is MRCOOL SmartHVAC free?

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

### Is MRCOOL Universal free?

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

### Which has better reviews, MRCOOL SmartHVAC or MRCOOL Universal?

MRCOOL SmartHVAC is rated higher. MRCOOL SmartHVAC averages 4.7 out of 5 from 9.8K ratings, while MRCOOL Universal averages 1.4 from 14 ratings.

### Do MRCOOL SmartHVAC or MRCOOL Universal have ads?

Neither MRCOOL SmartHVAC nor MRCOOL Universal shows ads.

### Which is updated more often, MRCOOL SmartHVAC or MRCOOL Universal?

MRCOOL SmartHVAC ships an update every 4 weeks, and MRCOOL Universal every 2 days. Most recently, MRCOOL SmartHVAC was updated on October 16, 2026 and MRCOOL Universal on October 4, 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.*