Comparison

Legrand Lighting Control vs Sync Thermostat

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

Head to head
About

Legrand Lighting Control

Effortlessly manage your home's lighting with custom scenes and scheduling. Automate lights for specific times or activities, and control them remotely from anywhere. Integrate with voice assistants for hands-free operation.

Highlights
  • Control radiant RF and adorne Wi-Fi devices
  • Create custom lighting scenes
  • Schedule lighting automation
  • Remote control from anywhere
  • Voice assistant integration (Alexa, Google Assistant)
Features
Read full description

The Lighting Control app offers simple and convenient control of your radiant® RF Lighting Control and adorne® Wi-Fi Ready devices. Scenes allow you to customize, schedule, and automate groups of devices to enhance the comfort and convenience of your home. Create the perfect dimming level for movie time, or automate your outdoor lights to turn on at sunset and off at sunrise.

About

Sync Thermostat

Features
Read full description

Reduce the Cost of Ownership Sync Thermostat can reduce your HVAC system’s operating costs. It provides precise temperature control, reducing energy usage. This smart thermostat app also ensures you get the services you need when you need them. It incorporates the following innovative features: • Remote monitoring • Predictive maintenance alerts • One-touch appointment booking • Service at the touch of a button A crisp LCD screen ensures all functions are easy to find and use. Is your home not comfortable or are energy costs going up? Use the onscreen service request feature to get prompt assistance from your local HVAC company. Get the Most Out of Your Climate Control System The Sync Thermostat app lets you control and monitor temperature, fan speed, and other functions via the main control panel or a smartphone. The future of home comfort and on-demand service, it delivers benefits including: • Smart Notifications: Receive instant notifications on changes in system performance so you can be proactive with maintenance. • Real-Time Monitoring: By monitoring the health of your HVAC system, Sync Thermostat can provide predictive maintenance alerts, which can prevent downtime and increase equipment lifespan. • Service Alerts: Receive notifications of service reminders, membership renewals, and more. Even receive custom messages from your HVAC provider. • Diagnostic Tools: An overview of system health and air quality are available at the touch of a button, at no extra cost. • System Health and Air Quality Alerts: If a problem with your climate control system or an indoor air quality issue is detected, you and your service provider will be automatically notified. Quick and Simple Installation The convenience of a Sync Thermostat thermostat begins even before you start using it. Swapping out an old unit is simple. A technician removes the old thermostat, mounts the new one, and connects the wiring. They’ll even help you set up the app. The new model’s settings are adjusted to meet your climate control requirements. It provides an instant response so you experience immediate comfort. Settings from the old thermostat instantly transfer over using the serial numbers of both units, so the process is fast, simple, and convenient. Forge an Instant Connection with Your HVAC Provider The Sync Thermostat thermostat and app display your HVAC company’s logo onscreen. Their help is available at the touch of a button, so you can put your trust and confidence in a local contractor. It’s not just a modern thermostat. Sync Thermostat is a direct link between you and your AC/heating services provider. Be a Part of the NuveNetwork Nuve has partnered with local HVAC companies so you benefit from new services and smart technologies. Real-time access to your system allows contractors to quickly diagnose and resolve system issues. This can result in fewer emergency calls and in-home visits, so you can save time and money. Get Started Today Getting a Sync Thermostat thermostat and app is easy. Once you’re ready, a representative will contact you and schedule an appointment. Visit the App Store or contact your HVAC dealer to learn more.

Screenshots

Legrand Lighting Control4 screens
Sync Thermostat4 screens

Verdict

The call

The clearest difference is iOS requirement: Sync Thermostat at 13.0 against Legrand Lighting Control's 15.6. 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.

UpkeepUpdate frequency

Legrand Lighting Control ships an update every 4 months, Sync Thermostat every 2 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 9 level
Legrand Lighting Control versus Sync Thermostat: the parameters behind the verdict, then further details
ParameterLegrand Lighting ControlSync Thermostat
PriceFreeFree
Rating3.9 (279 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings279 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size12 MB62 MB
Age rating4+4+
DeveloperLegrand, Inc.Nuve Home

Bugs and requests

Legrand Lighting Control

Reported bugs

21 issues
  • App fails to discover or connect to hub
  • Remote access doesn't work outside home network
  • App crashes on launch
  • Scenes don't execute or execute partially
  • Lights show incorrect on/off status in app
Show 16 more
  • Three-way switches lose pairing randomly
  • Hub locks up every 72 hours
  • Firmware updates brick the device
  • App stuck in update mode
  • Controller unresponsive to scene commands
  • Lights turn on/off randomly at night
  • App repeatedly logs out of cloud service
  • Devices appear duplicated in app
  • Landscape lights turn off after exactly 15 minutes
  • Interior lights turn off when outdoor lights activate
  • System flashing as if being programmed
  • App won't install updates
  • Samsung Artik cloud transition broke functionality
  • New Eliot cloud service unreliable
  • Apple Watch app version never works
  • Alexa integration shows switches as unresponsive

Requested features

14 requests
  • HomeKit and Siri integration
  • Apple HomeKit compatibility
  • Better remote access when away from home
  • Edit button for scenes
  • Longer dimming duration (up to 1 hour)
Show 9 more
  • Seasonal/ambient light-based controls
  • Vacation mode with temporary scene disabling
  • Location-based automation
  • Better app UI design (more intuitive interface)
  • Static IP assignment for hub
  • Automatic device addition via QR code scanning
  • Unified single Legrand app
  • Backward compatibility with older hubs (LC6001)
  • Better integration with smart home platforms

Sync Thermostat

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Legrand Lighting Control

No in-app purchases

None

Sync Thermostat

No in-app purchases

Questions

Is Legrand Lighting Control free?
Legrand Lighting Control is free to download, with no in-app purchases.
Is Sync Thermostat free?
Sync Thermostat is free to download, with no in-app purchases.
Do Legrand Lighting Control or Sync Thermostat have ads?
Neither Legrand Lighting Control nor Sync Thermostat shows ads.
Which is updated more often, Legrand Lighting Control or Sync Thermostat?
Legrand Lighting Control ships an update every 4 months, and Sync Thermostat every 2 months. Most recently, Legrand Lighting Control was updated on October 13, 2026 and Sync Thermostat on October 14, 2026.

Other comparisons