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Smart Home · head to head

Ecobee vs SmartThings

Ecobee logo

Ecobee

Smart Home

Smart thermostats with room sensors for whole-home comfort

From
$139.99/one-time
Rated
-
Full reviewWebsite
SmartThings logo

SmartThings

Smart Home

Samsung's intelligent IoT platform for smart homes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only SmartThings has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ecobee installation requires a C-wire in most cases, necessitating professional installation for some users unfamiliar with HVAC wiring; SmartThings cloud-dependent with no offline operation; requires internet and Samsung servers for all device control
  • They diverge on capability: Ecobee covers Room Sensors, SmartThings covers Multi-Brand Support.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Ecobee and SmartThings actually diverge.

Attributes where Ecobee and SmartThings differ
AttributeEcobeeSmartThings
Starting price$139.99/one-timeFree
Free tierNoYes
PlatformsWeb, iOS, AndroidiOS, Android, Web, SmartThings Hub
Founded20071938

Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Smart Home).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ecobee

  • Room Sensors
  • Built-in Alexa
  • Energy Reports
  • Smart Recovery
  • HomeKit
  • Google Home
  • SmartThings
  • IFTTT

Only in SmartThings

  • Multi-Brand Support
  • Device Control
  • Automations
  • Cloud Backup
  • 500+ device types
  • Voice Control
  • Routines
  • IFTTT integration

Both cover

  • IOS support
  • Android support
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Ecobee

  • Energy savingsnot SmartThings
  • Multi-room comfortnot SmartThings
  • HVAC optimizationnot SmartThings
  • Remote climate controlnot SmartThings

SmartThings

  • Smart home controlnot Ecobee
  • Automation routinesnot Ecobee
  • Device integrationnot Ecobee
  • Remote monitoringnot Ecobee

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ecobee

  • Installation requires a C-wire in most cases, necessitating professional installation for some users unfamiliar with HVAC wiring
  • Not compatible with line-voltage baseboard heating systems without additional specialized controllers
  • Touchscreen display is prone to fingerprints and cannot be adjusted from the mobile app
  • Advanced settings interface can feel complex and technical for non-technical users
  • Display settings and customization options are limited to on-device configuration only

SmartThings

  • Cloud-dependent with no offline operation; requires internet and Samsung servers for all device control
  • Cloud communication adds latency compared to local hubs; device response delays up to one second
  • Confusing app transition between SmartThings Classic and SmartThings Connect with certain automations only working in one app
  • API changes requiring paid subscriptions starting October 2026 break third-party integrations like Home Assistant

Pricing, plan by plan

Ecobee

$139.99/one-time
  • Smart Thermostat Essential$139.99/one-time
    • Up to 23% energy savings
    • ENERGY STAR certified
    • Remote app control
  • Smart Thermostat Enhanced$199.99/one-time
    • Up to 26% energy savings
    • Built-in Alexa voice control
    • HomeKit compatible
  • Smart Thermostat Premium$259.99/one-time
    • Up to 26% energy savings
    • Built-in radar occupancy sensor
    • Indoor air quality monitoring

SmartThings

Free
  • Basic (SmartThings app)Free
    • Device control and automation
    • Support for Zigbee, Z-Wave, Wi-Fi, Matter

Which should you pick?

Choose Ecobee if

  • You need room sensors.
  • You work on Web, iOS, Android.
  • You also want built-in alexa.
Ecobee review

Choose SmartThings if

  • You need multi-brand support.
  • You want to start without paying.
  • You work on iOS, Android, Web, SmartThings Hub.
  • You also want device control.
SmartThings review

Questions people ask

Is Ecobee or SmartThings better?
Neither clearly leads. Ecobee starts at $139.99/one-time and SmartThings at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ecobee or SmartThings?
SmartThings has a free tier; the other does not. Paid plans start at $139.99/one-time for Ecobee and Free for SmartThings.
Does Ecobee or SmartThings run on more platforms?
Ecobee runs on Web, iOS, Android. SmartThings runs on iOS, Android, Web, SmartThings Hub.
Can I use SmartThings for free?
Yes. SmartThings has a free tier, so you can try it without paying. Ecobee starts at $139.99/one-time.
What is Ecobee best used for?
Ecobee is most often used for energy savings, multi-room comfort, hvac optimization, remote climate control. Of those, energy savings and multi-room comfort are not what SmartThings is typically brought in for.
What can Ecobee do that SmartThings cannot?
Ecobee covers Room Sensors, Built-in Alexa, Energy Reports, Smart Recovery. SmartThings covers Multi-Brand Support, Device Control, Automations, Cloud Backup. Both handle IOS support, Android support, Web support.

Answered from the vendors’ own pages

Ecobee: How much can I save with an Ecobee thermostat?

Ecobee thermostats can save up to 26% on annual heating and cooling costs according to manufacturer claims. However, independent ENERGY STAR data shows average savings of around 8%, equating to $50-$100 annually for typical U.S. homes.

Source
SmartThings: Does SmartThings work offline?

No, SmartThings requires internet and Samsung servers to function. It cannot operate offline; all device control depends on cloud connectivity.

Source
Ecobee: Does Ecobee work with HomeKit?

Yes, Ecobee is HomeKit-enabled and was the first to introduce a HomeKit-compatible smart thermostat. The Premium and Enhanced models support Apple HomeKit and allow control via Siri from any Apple device.

Source
SmartThings: Which communication protocols does SmartThings support?

SmartThings natively handles Zigbee, Z-Wave, Wi-Fi, and Matter protocols simultaneously through mesh networking.

Source
Ecobee: What is a SmartSensor and what does it do?

Ecobee SmartSensors are wireless remote temperature and occupancy sensors that detect which rooms are occupied. They allow the thermostat to balance heating and cooling to occupied rooms and ignore empty spaces, improving both comfort and efficiency.

Source
SmartThings: What is the cost of SmartThings API access for developers?

Starting October 2026, non-commercial developers using SmartThings API for third-party integrations like Home Assistant must pay $4.99/month. Free access continues through Q3 2026.

Source
Ecobee: Do I need a C-wire to install Ecobee?

Most installations require a C-wire for reliable operation. Ecobee includes a Power Extender Kit to help with installations lacking a C-wire, but some DIYers may still need professional installation assistance.

Source
SmartThings: Does SmartThings support voice assistants?

Yes, SmartThings is compatible with both Amazon Alexa and Google Assistant for voice control.

Source
Ecobee: What voice assistants does Ecobee support?

Ecobee supports Apple Siri, Amazon Alexa, Google Assistant, and Samsung SmartThings for voice control. The Premium model has built-in Alexa and Siri, while Enhanced and Essential models support all platforms via integration.

Source
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