Comparison

Comfort Sync vs Lennox Home

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

Head to head
About

Comfort Sync

Control your home's temperature remotely from your iOS device. Adjust heating and cooling settings, activate energy-saving modes, and ensure your home is comfortable before you arrive.

Highlights
  • Remote temperature adjustment
  • Select heating or cooling modes
  • Choose system programs
  • Energy-saving away mode
  • Fan control (always on/circulate)
Features
Read full description

Adjust your home’s temperature anytime, anywhere from your iPhone/iPad/iPod Touch with the Comfort Sync mobile app! 

Control the temperature at home using the intuitive temperature dials from anywhere in the world: on the beach, on the slopes, or even from the couch. Already in bed but want to adjust the temperature? No problem! The Comfort Sync app is there to adjust your home’s comfort without requiring you to leave that comfy bed. 

 Leave the house and forget to dial back the thermostat? Simply start the app and use the one-touch away mode to save energy the entire time you are gone. Cancel the away mode before you get back to return to a perfectly comfortable home. 

You must own a Comfort Sync thermostat to use the Comfort Sync app. The Comfort Sync thermostat must also be connected to your home’s Wi-Fi router before the app can control the settings. For more information about the Comfort Sync thermostat or for help connecting to your wireless network, visit www.mycomfortsync.com 

With the Comfort Sync app you will have the ability to: 

•Adjust the temperature from anywhere
 •Change whether your system should heat or cool your home
 •Select the program you wish to run
 •Put the system into an energy savings away mode when no one is home
 •Select your fan to always run (ON) or come on occasionally (circulate)

About

Lennox Home

Remotely manage your Lennox smart home devices, including thermostats, mini-splits, and water heaters. Adjust temperature, set schedules, and monitor air quality from anywhere. Requires compatible Lennox smart home products connected to Wi-Fi.

Highlights
  • Remote thermostat control
  • Mini-split system management
  • Water heater monitoring
  • Temperature scheduling
  • Indoor air quality monitoring
  • Room temperature balancing
Read full description

The Lennox Home App allows you to remotely access and control your Lennox Smart Thermostat, Lennox powered by Samsung Mini-split, Lennox Heat pump Water Heater and advanced accessories from anywhere in the world. Whether it’s adjusting your home’s temperature or schedule, monitoring your indoor air quality (Lennox Air Quality Monitor required) or balancing room temperatures, the control is all at your fingertips. You must own a Lennox Smart Thermostat (S40/L40/M40/E40, S30/E30/M30), Lennox powered by Samsung Mini-split, or Lennox Water Heater to use this app. The Lennox Smart Thermostat, Lennox powered by Samsung Mini-split, or Lennox Water Heater must also be connected to your home’s Wi-Fi router before the app can control the settings. For more information go to https://www.lennoxsmartertogether.com/help/index.html or https://www.lennox.com/residential/products/heating-cooling/mini-split-systems We truly appreciate your questions and comments. Please keep sending your suggestions to consumeraffairssocial@lennoxind.com or @AskDaveLennox on Twitter

Screenshots

Comfort Sync2 screens
Lennox Home4 screens

Verdict

The call

The clearest difference is rating: Lennox Home at 4.7 against Comfort Sync's 1.7. Lennox Home also leads on ratings volume (49K vs 77) and update cadence (every 2 months vs every 8 months). Comfort Sync's advantage is iOS requirement (6.0 vs 16.0). On price, ads, in-app purchases and monetization model 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

Lennox Home holds the better App Store score, 4.7 against 1.7. That said, the two scores are not equally well evidenced: Lennox Home has 49K ratings behind it against 77, so its average is the more settled of the two. Written reviews point the same way: 5% of Comfort Sync's written reviews are positive against 17% of Lennox Home's.

UpkeepUpdate frequency

Comfort Sync ships an update every 8 months, Lennox Home every 2 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard5 real differences · 5 level
Comfort Sync versus Lennox Home: the parameters behind the verdict, then further details
ParameterComfort SyncLennox Home
PriceFreeFree
Rating1.7 (77 ratings)4.7 (49K ratings) — better
Positive reviews4.6% of reviews17.4% of reviews — better
Number of ratings7749K — better
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS6.0 — better16.0
Further details — not scored
Size12 MB172 MB
Age rating4+4+
DeveloperAllied Air Enterprises inc.Lennox Industries

Customer experience

Comfort Sync

All ratings77 ratings
Positive13.0%
Neutral6.5%
Negative80.5%
Written reviews65 reviews
Positive4.6%
Neutral9.2%
Negative86.2%

Lennox Home

All ratings43,386 ratings
Positive91.4%
Neutral2.5%
Negative6.1%
Written reviews909 reviews
Positive17.4%
Neutral9.9%
Negative72.7%

Bugs and requests

Comfort Sync

Not enough reviews yet to summarise bugs or requests.

Lennox Home

Reported bugs

4 issues
  • App crashes when accessing settings
  • Schedules reset unexpectedly
  • Inconsistent temperature display between app and thermostat
  • Alexa integration not functioning

Requested features

6 requests
  • More scheduling options
  • Improved app responsiveness
  • Direct settings access from main controls
  • Enhanced data reporting and analytics
  • Customizable user interface
Show 1 more
  • Multi-user support and geofencing

In-app purchases

None

Comfort Sync

No in-app purchases

None

Lennox Home

No in-app purchases

Questions

Is Comfort Sync free?
Comfort Sync is free to download, with no in-app purchases.
Is Lennox Home free?
Lennox Home is free to download, with no in-app purchases.
Which has better reviews, Comfort Sync or Lennox Home?
Lennox Home is rated higher. Comfort Sync averages 1.7 out of 5 from 77 ratings, while Lennox Home averages 4.7 from 49K ratings.
Do Comfort Sync or Lennox Home have ads?
Neither Comfort Sync nor Lennox Home shows ads.
Which is updated more often, Comfort Sync or Lennox Home?
Comfort Sync ships an update every 8 months, and Lennox Home every 2 months. Most recently, Comfort Sync was updated on November 6, 2026 and Lennox Home on November 8, 2026.

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