Comparison

MRCOOL SmartHVAC vs zenith Smart

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MRCOOL SmartHVAC

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
Read full description

MRCOOL SmartHVAC App works with MRCOOL Smart Controllers to convert MRCOOL Air Conditioners & Heat Pumps to smart ones. Our smart controllers work with this App to help you convert your existing or new ACs to smart ACs. You can control your MRCOOL ACs through your smartphone or simple voice commands (our smart controllers are Alexa & Google Home enabled). These DIY controllers are extremely easy to setup. You can automatically turn the air conditioner or heat pump OFF when you leave the premises and start to cool/heat once you arrive as per your settings. This App gives you complete control of your heating and cooling. It figures out when you're at home and when you're out and adjusts the settings to provide comfort and energy savings. You can set weekly schedules for your air conditioners, monitor usage history, set air conditioning action in relation to your locations, see the air filter status of your AC and lot more. You can set intelligent temperature based triggers for your air conditioners by using the ‘Comfy’ feature under ‘My Rules’ section of the app. Comfy lets you set triggers to personalize the operation of your AC. It helps you automatically change your AC settings if room temperature goes above or falls below a pre-set value. It helps you reduce your energy bills with lot of convenience. Continued use of GPS running in the background can dramatically decrease battery life.

About

zenith Smart

Control smart heating and massage products remotely via Bluetooth. Adjust temperature, set timers, and manage massage functions with a user-friendly interface. Simplifies operation compared to traditional control switches.

Highlights
  • Bluetooth connectivity
  • Remote temperature regulation
  • Scheduled shutdown timers
  • Massage function control
  • Simplified operation
  • Low-power communication
Features
Read full description

App adopts low-power ble Bluetooth communication technology. Connect the product Bluetooth ble through the mobile phone, remotely control the intelligent warm intelligent product, and realize the mobile phone control, temperature regulation, regular shutdown, massage and heating product regulation. It solves the problems that the traditional temperature control switch has no display and too many keys, and the operation is complex.

Screenshots

MRCOOL SmartHVAC4 screens
zenith Smart3 screens

Verdict

The call

The clearest difference is rating: MRCOOL SmartHVAC at 4.7 against zenith Smart's 3.0. MRCOOL SmartHVAC also leads on ratings volume (9.8K vs 4) and iOS requirement (13 vs 15.6). On price, review sentiment, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

MRCOOL SmartHVAC holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: MRCOOL SmartHVAC has 9.8K ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 49% and 50% positive.

UpkeepUpdate frequency

MRCOOL SmartHVAC ships an update every 4 weeks, zenith Smart every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
MRCOOL SmartHVAC versus zenith Smart: the parameters behind the verdict, then further details
ParameterMRCOOL SmartHVACzenith Smart
PriceFreeFree
Rating4.7 (9.8K ratings) — better3.0 (4 ratings)
Positive reviews49.4% of reviews50.0% of reviews — better
Number of ratings9.8K — better4
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13 — better15.6
Further details — not scored
Size144 MB4 MB
Age rating4+4+
DeveloperCielo WiGle Inc.Shenzhen Hongruixin Electronic Co.,Ltd

Customer experience

MRCOOL SmartHVAC

All ratings9,834 ratings
Positive93.1%
Neutral2.7%
Negative4.2%
Written reviews176 reviews
Positive49.4%
Neutral16.5%
Negative34.1%

zenith Smart

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

MRCOOL SmartHVAC

Reported bugs

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

Requested features

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

zenith Smart

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MRCOOL SmartHVAC

No in-app purchases

None

zenith Smart

No in-app purchases

Questions

Is MRCOOL SmartHVAC free?
MRCOOL SmartHVAC is free to download, with no in-app purchases.
Is zenith Smart free?
zenith Smart is free to download, with no in-app purchases.
Which has better reviews, MRCOOL SmartHVAC or zenith Smart?
MRCOOL SmartHVAC is rated higher. MRCOOL SmartHVAC averages 4.7 out of 5 from 9.8K ratings, while zenith Smart averages 3.0 from 4 ratings.
Do MRCOOL SmartHVAC or zenith Smart have ads?
Neither MRCOOL SmartHVAC nor zenith Smart shows ads.
Which is updated more often, MRCOOL SmartHVAC or zenith Smart?
MRCOOL SmartHVAC ships an update every 4 weeks, and zenith Smart every 2 weeks. Most recently, MRCOOL SmartHVAC was updated on October 18, 2026 and zenith Smart on October 7, 2026.

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