Comparison

Comfort Link vs Rheem

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

Head to head
About

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.

Highlights
  • Remote temperature control
  • Voice command integration
  • Energy consumption reports
  • Malfunction alerts
  • Remote service assistance
  • Weekly scheduling
Features
Read full description

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

About

Rheem

This app streamlines HVAC system installation, service, and troubleshooting for contractors. It offers Bluetooth® connectivity for system setup, diagnostics, and warranty tracking. Access technical support, parts lists, manuals, and rebate information.

Highlights
  • Bluetooth® system setup
  • Real-time operating parameter monitoring
  • Alarm diagnosis and history
  • Parts lookup and manual downloads
  • Warranty status tracking
  • Retailer and distributor locator
  • Rebate and financing research
Features
Read full description

We’ve redesigned Rheem for Contractors to offer the industry’s most powerful, intuitive, and easy-to-use app. Whether you’re on a residential service call or installing 40 units at a major site, the free Rheem Contractor app’s Bluetooth® capability – paired with an enabled HVAC system -- makes set-up and troubleshooting simpler than ever. With Rheem for Contractors and eligible air systems, you can easily: Install - Set up systems quickly and easily with the new Bluetooth® setup - Monitor operating parameters from your phone while charging outdoor units - Verify system setup with access to system operating status - Quickly check for alarms Service - Diagnose active alarms and alarm history - Check system operating status - Easy step-by-step parts replacement and system setup The Rheem for Contractors app also offers powerful support for all of our air and water products, with a new Product Technical Support design that is easier to use and more accurate than ever: - Access installation instructions - Search parts lists - Download manuals - View tech sheets - Research consumer literature Track Warranty information - Scan and confirm model and ownership details - Check warranty status and share HVAC systems warranty certificate Locate - Look up retailers - Look up distributors Research - Find up-to-date rebate information - Research financing options - Offer extended warranty - Confirm AHRI information and certification for HVAC systems

Screenshots

Comfort Link4 screens
Rheem4 screens

Verdict

The call

The clearest difference is rating: Rheem at 4.6 against Comfort Link's 2.1. Rheem also leads on review sentiment (40% vs 16%) and ratings volume (1.8K vs 25). Comfort Link's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases 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

Rheem holds the better App Store score, 4.6 against 2.1. That said, the two scores are not equally well evidenced: Rheem has 1.8K ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 16% of Comfort Link's written reviews are positive against 40% of Rheem's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Comfort Link versus Rheem: the parameters behind the verdict, then further details
ParameterComfort LinkRheem
PriceFreeFree
Rating2.1 (25 ratings)4.6 (1.8K ratings) — better
Positive reviews15.8% of reviews40.0% of reviews — better
Number of ratings251.8K — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size110 MB120 MB
Age rating4+4+
DeveloperAriston SpARheem Manufacturing Company

Customer experience

Comfort Link

All ratings24 ratings
Positive25.0%
Neutral12.5%
Negative62.5%
Written reviews19 reviews
Positive15.8%
Neutral10.5%
Negative73.7%

Rheem

All ratings1,812 ratings
Positive90.2%
Neutral2.6%
Negative7.2%
Written reviews15 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

Comfort Link

No in-app purchases

None

Rheem

No in-app purchases

Questions

Is Comfort Link free?
Comfort Link is free to download, with no in-app purchases.
Is Rheem free?
Rheem is free to download, with no in-app purchases.
Which has better reviews, Comfort Link or Rheem?
Rheem is rated higher. Comfort Link averages 2.1 out of 5 from 25 ratings, while Rheem averages 4.6 from 1.8K ratings.
Do Comfort Link or Rheem have ads?
Neither Comfort Link nor Rheem shows ads.
Which is updated more often, Comfort Link or Rheem?
Comfort Link ships an update monthly, and Rheem monthly. Most recently, Comfort Link was updated on November 3, 2026 and Rheem on November 4, 2026.

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