Comparison

Sure Comfort vs Belimo Assistant 2

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

Head to head
About

Sure Comfort

This app simplifies HVAC system installation, service, and troubleshooting for contractors. It offers Bluetooth connectivity for setup, diagnostics, parts lookup, and warranty tracking, streamlining job site operations.

Highlights
  • Bluetooth system setup
  • Real-time operating parameter monitoring
  • Alarm diagnostics and history
  • Step-by-step parts replacement guidance
  • Access to manuals and tech sheets
  • Warranty status tracking
  • Rebate and financing research
Features
Read full description

We’ve Designed Sure Comfort 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 Sure Comfort Contractor app’s Bluetooth® capability – paired with an enabled HVAC system -- makes set-up and troubleshooting simpler than ever. With Sure Comfort 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 Sure Comfort for Contractors app also offers powerful support for all of our air 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 Research - Find up-to-date rebate information - Research financing options - Offer extended warranty - Confirm AHRI information and certification for HVAC systems

About

Belimo Assistant 2

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.

Highlights
  • Device parameter modification
  • Identification data display
  • MP-Bus, BACnet, Modbus addressing
  • Guided parameter setup
  • Configuration copy/paste
  • Live trending and local override
  • Device health and operation monitoring
  • Digital report generation
Read full description

Belimo Assistant 2 enables wired and wireless setup, on-site operation, and troubleshooting of Belimo damper actuators, control valves, sensors and meters with smartphone and tablet. Key features: • Check and modify device setting parameters • Display identification data: device type, position, designation, serial number, bus address • Addressing (MP-Bus, BACnet, Modbus, TCP/IP) • Setup: guided parameter setup for your device • Copy/Paste configuration: replicate settings for same device type • Live Trend: perform local override and live trending with easy share function • Health: monitor overall device and operation status. E.g. Power supply, Bus state, Sensor state, etc. • Operation: monitor device KPIs with live updates • Reports: retrieve digital reports of your device with easy share function. E.g. Calibration certificate, Commissioning report • Export Device Configuration: create log file with easy share function • In-app language adjustment (EN/DE/FR/IT/ES/CN/RU/TR) Accessories: • LINK.10 (Converter USB / Bluetooth / NFC) • ZTH EU/US/AP (Service tool and Converter USB / MP-Bus) • ZIP-BT-NFC (Converter Bluetooth / NFC) Notes: • The App can be installed on iPhones or iPads with iOS 18+

Screenshots

Sure Comfort4 screens
Belimo Assistant 24 screens

Verdict

The call

The clearest difference is rating: Sure Comfort at 4.5 against Belimo Assistant 2's 3.4. 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

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

Sure Comfort holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 26 and 10 respectively.

UpkeepUpdate frequency

Sure Comfort ships an update monthly, Belimo Assistant 2 every 5 weeks. The most recent releases landed on October 31, 2026 and October 23, 2026 respectively.

Scorecard1 real difference · 9 level
Sure Comfort versus Belimo Assistant 2: the parameters behind the verdict, then further details
ParameterSure ComfortBelimo Assistant 2
PriceFreeFree
Rating4.5 (26 ratings) — better3.4 (10 ratings)
Positive reviews—0.0% of reviews
Number of ratings26 — better10
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.0
Further details — not scored
Size101 MB125 MB
Age rating4+4+
DeveloperRheem Manufacturing CompanyBELIMO Automation AG

Customer experience

Sure Comfort

All ratings26 ratings
Positive88.5%
Neutral3.8%
Negative7.7%

Belimo Assistant 2

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Sure Comfort

No in-app purchases

None

Belimo Assistant 2

No in-app purchases

Questions

Is Sure Comfort free?
Sure Comfort is free to download, with no in-app purchases.
Is Belimo Assistant 2 free?
Belimo Assistant 2 is free to download, with no in-app purchases.
Which has better reviews, Sure Comfort or Belimo Assistant 2?
Sure Comfort is rated higher. Sure Comfort averages 4.5 out of 5 from 26 ratings, while Belimo Assistant 2 averages 3.4 from 10 ratings.
Do Sure Comfort or Belimo Assistant 2 have ads?
Neither Sure Comfort nor Belimo Assistant 2 shows ads.
Which is updated more often, Sure Comfort or Belimo Assistant 2?
Sure Comfort ships an update monthly, and Belimo Assistant 2 every 5 weeks. Most recently, Sure Comfort was updated on October 31, 2026 and Belimo Assistant 2 on October 23, 2026.

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