Best for Nest and Chromecast
Google Home vs SmartThings vs Amazon Alexa: which smart home app should you choose?
Google Home suits Nest and Chromecast households, SmartThings offers the strongest case for broad device control and routines, and Alexa fits homes built around Amazon’s voice assistant.
At a glance
| App | Google Play | Price | In-app purchases | Platforms | Age rating |
|---|---|---|---|---|---|
 Google HomeGoogle LLC | 4.0 out of 53,638,902 ratings | Free | Yes$0.05 - $999.99 per item | Everyone | |
 SmartThingsSamsung Electronics Co., Ltd. | 4.6 out of 55,170,817 ratings | Free | No | Everyone | |
 Amazon AlexaAmazon Mobile LLC | 4.1 out of 55,672,197 ratings | Free | No | Teen |
Ratings and age ratings come from the Google Play listings, read on Nov 11, 2026. Listings change over time.
Advertisements
How we compared them
All three apps help you control smart-home devices, create routines and manage connected parts of your day. Each is free, available on Android and iOS, and depends on an internet connection for many functions.
Their strengths reflect their ecosystems: Google Home is a natural fit for Nest and Chromecast, SmartThings focuses on Samsung products alongside compatible devices, and Alexa centers on Amazon’s voice assistant. This comparison weighs those differences alongside Google Play ratings, installs and pricing details.
How we compared them
We compared each app’s smart-home role, device ecosystem, routines and stated strengths and trade-offs. We also considered its Google Play rating, install range, price, ads and in-app purchases.
The store figures are from Google Play, read on November 11, 2026. Ratings and installs reflect the figures on that date; they do not establish which app will work best with a particular household’s devices.
Best forhomes centered on Nest, Chromecast and Google Home devices
Google Home
Google LLC
- Google Play
- 4.0 out of 5
- Price
- Free
- Installs
- 1B+
- Age rating
- Everyone
Google Home is the most direct choice for setting up and controlling compatible Nest, Chromecast and Google Home products. Its straightforward setup and voice-command support make it an approachable control point for households already using Google’s smart-home devices.
The main limitation is ecosystem fit: it is less compelling if your devices are primarily from Samsung or Amazon, and some features may require other apps. Voice recognition can be inconsistent, and dependable use requires an internet connection.
What we like
- Direct control for Nest and Chromecast devices
- Simple setup and accessible interface
- Voice commands and regular updates
What to know
- Less suited to homes built around Samsung or Amazon
- Voice recognition and internet dependence can frustrate
Best forSamsung households wanting routines and control across compatible brands
SmartThings
Samsung Electronics Co., Ltd.
- Google Play
- 4.6 out of 5
- Price
- Free
- Installs
- 1B+
- Age rating
- Everyone
SmartThings has the strongest Google Play rating of the three at 4.6, and its appeal extends beyond Samsung TVs and appliances to compatible smart-home devices. Automated routines, remote access and energy-saving features give it a broad role in managing a connected home.
Compatibility still depends on the devices involved, so it is not a guarantee that every product will work. It offers limited offline functionality, and occasional crashes and privacy concerns are potential downsides.
What we like
- Strong Google Play rating: 4.6
- Controls Samsung products and compatible devices
- Routines, remote access and energy-saving features
What to know
- Some devices are not supported
- Limited offline use and occasional crashes
Best forhomes that use Alexa for voice control, music and daily tasks
Amazon Alexa
Amazon Mobile LLC
- Google Play
- 4.1 out of 5
- Price
- Free
- Installs
- 100M+
- Age rating
- Teen
Alexa combines smart-device control with a voice assistant for music and everyday tasks. Its wide range of device integrations, customizable routines and multi-language interaction make it the most voice-assistant-centered option in this comparison.
It can misinterpret commands, and device compatibility varies, so it may take effort to make a mixed-brand setup work as intended. Like the other two, it relies on an internet connection for many functions and raises privacy considerations around voice data.
What we like
- Wide range of smart-device integrations
- Customizable routines and multi-language interaction
- Voice assistant also supports music and daily tasks
What to know
- Commands can be misinterpreted
- Internet dependence and compatibility issues
Which one should you pick?
Advertisements
Frequently Asked Questions
Which app has the highest Google Play rating?
SmartThings has the highest rating among these three: 4.6 from 5,170,817 ratings. Google Home is rated 4.0 from 3,638,902 ratings, and Amazon Alexa 4.1 from 5,672,197 ratings.
Which app should I choose for Nest or Chromecast?
Choose Google Home for direct setup and control of compatible Nest, Chromecast and Google Home devices.
Is SmartThings only for Samsung devices?
No. SmartThings controls Samsung TVs and appliances as well as compatible smart-home devices, though not every device is supported.
Which app is most focused on voice assistance?
Amazon Alexa is the most voice-assistant-centered option here, combining smart-device controls with music and everyday tasks. Google Home also supports voice commands.
Reviewed compares apps independently. We don't make, own or distribute any of these apps and have no affiliation with their developers, Google or Apple. Names, icons and trademarks belong to their owners; store details and prices are shown for reference and can change.