Comfort Link vs Lennox Smart Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comfort Link
Control your home's heating and water heater remotely via a smartphone app or voice commands. Monitor energy usage, receive alerts for malfunctions, and benefit from remote assistance to ensure comfort and optimize consumption.
- Remote temperature control
- Voice command integration
- Energy consumption reports
- Malfunction alerts
- Remote service assistance
- Weekly scheduling
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With Comfort Link you manage your home heating and water heater. Would you like to be able to set your home or water temperature anytime, anywhere, with a simple touch? With Comfort Link you can control your boiler, heat pump, hybrid system or water heater in a simple and intuitive way through the app or your voice. By connecting your product you can check energy reports, save up to 25% and get advice on how to optimise your consumption habits*. More benefits for you, more benefits for the planet! If the product malfunctions, the app alerts you immediately. You'll never have a cold home or shower again! Furthermore, with Comfort Link**, your service centre can provide 24/7 assistance, monitor the product and intervene to solve any problems, even remotely! *For heating: comparison between a conventional boiler without programmable thermostat or with constant temperature programming and a condensing boiler with automatic mode, external sensors and control through the Comfort Link app. The savings forecast is based on the average annual consumption for a single-family house of 100 square metres with energy class F radiators located in Milan Comparison between a mechanical round electric water heater with 80 l capacity always on and a Velis EVO Wi-Fi or Lydos Wi-Fi device with 80 l capacity with weekly scheduling thanks to the Comfort Link app. Use case: 4 showers a day, 2 in the morning and 2 in the afternoon. PLUS 8% as declared in 'Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions'. Brussels July 2015 ** Paid service available only for heating products
Lennox Smart Tech
Streamline the installation and servicing of compatible home comfort systems. This app allows for remote testing, diagnostics, and system setting adjustments directly from a smartphone, reducing the need to physically interact with equipment.
- Install and service home comfort systems
- Test and run diagnostics remotely
- Adjust system settings from smartphone
- Compatible with Lennox S40/L40/M40/E40 Smart Thermostats
- Direct smartphone control
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With the Lennox Smart Tech App, you'll have the latest technology to more quickly and easily install and service a fully communicating home comfort system with the Lennox S40/L40/M40/E40 Smart Thermostat. You can reliably run tests, diagnostics, and change system settings directly from your smartphone without the back and forth from equipment to thermostat.
Screenshots
Verdict
The clearest difference is rating: Lennox Smart Tech at 4.5 against Comfort Link's 2.1. Comfort Link's advantage is review sentiment (16% vs 0%) and iOS requirement (13.0 vs 16.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lennox Smart Tech holds the better App Store score, 4.5 against 2.1. Both are backed by a comparable volume of ratings — 25 and 60 respectively. Written reviews complicate that: 16% of Comfort Link's written reviews are positive against 0% of Lennox Smart Tech's, so the app with the better star average is not the one people write more warmly about.
Comfort Link ships an update monthly, Lennox Smart Tech every 2 months. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.
| Parameter | Comfort Link | Lennox Smart Tech |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (25 ratings) | 4.5 (60 ratings) — better |
| Positive reviews | 15.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 25 | 60 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 110 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Ariston SpA | Lennox Industries |
Customer experience
Comfort Link
Lennox Smart Tech
In-app purchases
Comfort Link
No in-app purchases
Lennox Smart Tech
No in-app purchases
Questions
Is Comfort Link free?
Is Lennox Smart Tech free?
Which has better reviews, Comfort Link or Lennox Smart Tech?
Do Comfort Link or Lennox Smart Tech have ads?
Which is updated more often, Comfort Link or Lennox Smart Tech?
Other comparisons
