Comparison

Flair vs Smart Envi

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

Head to head
About

Flair

Control your home's heating and cooling room by room from your smartphone. Create custom schedules, save energy with geofencing, and integrate with smart home devices for ultimate comfort and efficiency.

Highlights
  • Room-by-room temperature control
  • Customizable schedules
  • Geofencing for energy saving
  • Smart home device integration
  • Remote access and control
  • Share access with family
Features
Read full description

Flair is Next Degree™ climate control for your home air conditioning and heating system. With the Flair app, you can enjoy room-by-room comfort anytime, anywhere by adjusting your temperature setpoints and creating schedules for individual rooms. Away from home? Our geofencing will make sure you save energy by automatically setting rooms as active or inactive as needed. You can use the Flair app to -Easily set up your Flair Puck and Smart Vents. You can also connect your Flair devices to your mini split, Nest, ecobee, Honeywell Lyric, and even your Alexa or Google Assistant devices. -Get room-by-room comfort. You can create schedules to make sure every room in your home is comfortable. -Save energy. Set up geofencing and Smart Away to make sure your rooms are exactly how you want them when you're out of the house. -Share home comfort. Set up account permissions for friends, family, or a house sitter. But don't worry: anyone can set a temperature directly from the Puck, even if they don't have the App. Have some thoughts? We always want to hear your feedback on our app. Send them our way: hello@flair.co

About

Smart Envi

Control your smart home devices remotely. Adjust thermostats, set schedules, group heaters, and change floor lighting colors with ease. Experience full control at your fingertips.

Highlights
  • Remote thermostat adjustment
  • Schedule setup
  • Group heater control
  • Floor lighting color adjustment
  • Full fingertip control
Features
Read full description

The Envi Smart Home App gives you full control over your Envi Smart Devices. Adjust the thermostat remotely, Set up a schedule, group heaters for convenient control, and even adjust the color of the floor lighting, with full control at your fingertip.

Screenshots

Flair4 screens
Smart Envi4 screens

Verdict

The call

The clearest difference is rating: Flair at 3.2 against Smart Envi's 2.3. Flair also leads on review sentiment (42% vs 21%). Smart Envi's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence 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

Flair holds the better App Store score, 3.2 against 2.3. Both are backed by a comparable volume of ratings — 126 and 54 respectively. Written reviews point the same way: 42% of Flair's written reviews are positive against 21% of Smart Envi's.

UpkeepUpdate frequency

Flair ships an update every 6 weeks, Smart Envi monthly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Flair versus Smart Envi: the parameters behind the verdict, then further details
ParameterFlairSmart Envi
PriceFreeFree
Rating3.2 (126 ratings) — better2.3 (54 ratings)
Positive reviews42.5% of reviews — better20.5% of reviews
Number of ratings126 — better54
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size32 MB77 MB
Age rating4+17+
DeveloperStandard Eulereheat, Inc.

Customer experience

Flair

All ratings126 ratings
Positive50.8%
Neutral6.3%
Negative42.9%
Written reviews106 reviews
Positive42.5%
Neutral5.7%
Negative51.9%

Smart Envi

All ratings52 ratings
Positive25.0%
Neutral5.8%
Negative69.2%
Written reviews39 reviews
Positive20.5%
Neutral2.6%
Negative76.9%

Bugs and requests

Flair

Reported bugs

21 issues
  • App loses API connection and requires reconfiguration
  • Thermostat puts out max heat despite room being above setpoint
  • Vents don't respond to app commands inconsistently
  • App splash screen overlay blocks interface in portrait mode
  • Back button unresponsive on iPhone 14/15
Show 16 more
  • Temperature settings revert to previous values
  • Vent stuck in manual mode and won't return to auto
  • App doesn't follow thermostat priority schedules
  • Motion sensors override schedule settings incorrectly
  • 5+ minute delay in temperature updates from sensors
  • Devices show offline despite active WiFi connection
  • App hangs on iPad initial load screen
  • Firmware updates delete system configuration
  • Geofencing fails to detect home/away status
  • System switches between heat and cool modes excessively
  • Hold function defaults to permanent with no obvious duration option
  • Temperature adjustment dial is oversensitive
  • Text selection appears when trying to adjust temperature
  • App doesn't communicate mode changes to pucks
  • Nest thermostat integration inconsistent
  • Historical vent open percentage data no longer visible

Requested features

17 requests
  • Dark mode for app interface
  • Dual setpoint control (separate heat/cool temperatures)
  • HomeKit integration
  • Local control without cloud dependency
  • Manual mode scheduling
Show 12 more
  • Ability to set vents to mixed automatic/manual states
  • Faster app refresh and response times
  • Visible vent open/close status in main view
  • Better integration with Nest thermostat
  • Puck temperature offset adjustment
  • Temperature range settings instead of single setpoint
  • Matter protocol support
  • Zigbee or Z-Wave compatibility
  • Occupancy sensor integration from other platforms
  • Mode switching delay to prevent heat/cool cycling
  • Default vent state when HVAC is off
  • Improved schedule UI and temperature adjustment controls

Smart Envi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Flair

No in-app purchases

None

Smart Envi

No in-app purchases

Questions

Is Flair free?
Flair is free to download, with no in-app purchases.
Is Smart Envi free?
Smart Envi is free to download, with no in-app purchases.
Which has better reviews, Flair or Smart Envi?
Flair is rated higher. Flair averages 3.2 out of 5 from 126 ratings, while Smart Envi averages 2.3 from 54 ratings.
Do Flair or Smart Envi have ads?
Flair shows ads; Smart Envi does not.
Which is updated more often, Flair or Smart Envi?
Flair ships an update every 6 weeks, and Smart Envi monthly. Most recently, Flair was updated on November 11, 2026 and Smart Envi on November 3, 2026.

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