# MRCOOL SmartHVAC vs Ghost Controls

The clearest difference is rating: MRCOOL SmartHVAC at 4.7 against Ghost Controls's 2.9. MRCOOL SmartHVAC also leads on update cadence (every 4 weeks vs every 8 months) and monetization model (free vs free with in-app purchases). Ghost Controls's advantage is iOS requirement (11.0 vs 13). 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 holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: MRCOOL SmartHVAC has 9.8K ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 50% of MRCOOL SmartHVAC's written reviews are positive against 33% of Ghost Controls's.

MRCOOL SmartHVAC ships an update every 4 weeks, Ghost Controls every 8 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MRCOOL SmartHVAC | Ghost Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9.8K ratings)](https://appshunter.io/ios/app/mrcool-smarthvac/id1439162688/reviews)** | [2.9 (26 ratings)](https://appshunter.io/ios/app/ghost-controls/id6448189177/reviews) |
| Number of ratings | **9.8K** | 26 |
| Positive reviews | **49.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 144 MB | 61 MB |
| Requires iOS | 13 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) | [Assemblabs Ltd](https://appshunter.io/developer/1456463153) |

## 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


### Ghost Controls

[App page](https://appshunter.io/ios/app/ghost-controls/id6448189177)

Control your automatic gate opener remotely. Open, close, check status, and receive alerts. Schedule gate activity and grant access to others. Requires a compatible control board and the AXMC-R module.

**Highlights:** Remote gate open/close, Gate status monitoring, Open/close alerts, Customizable schedules, Grant remote access, Diagnostic data sharing

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is MRCOOL SmartHVAC free?

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

### Is Ghost Controls free?

Ghost Controls is free to download, with no in-app purchases.

### Which has better reviews, MRCOOL SmartHVAC or Ghost Controls?

MRCOOL SmartHVAC is rated higher. MRCOOL SmartHVAC averages 4.7 out of 5 from 9.8K ratings, while Ghost Controls averages 2.9 from 26 ratings.

### Do MRCOOL SmartHVAC or Ghost Controls have ads?

Neither MRCOOL SmartHVAC nor Ghost Controls shows ads.

### Which is updated more often, MRCOOL SmartHVAC or Ghost Controls?

MRCOOL SmartHVAC ships an update every 4 weeks, and Ghost Controls every 8 months. Most recently, MRCOOL SmartHVAC was updated on September 24, 2026 and Ghost Controls on September 22, 2026.

---

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