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Best Smart Home System 2021

Alex Chen

Senior reporter

★★★★★5.0

500+ views

Today

6 min read

Looking for the best smart home system 2021? We tested Amazon, WiFi, Ring and 1 more top brands.

Our Top Picks

Best Overall

Amazon Echo Hub, 8” smart home control panel, Designed for Alexa+, Compatible with thousands of devices

★★★★★★4.8

Ecosystem Compatibility:Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols:Connectivity Protocols: Zigbee, Matter

Voice Assistant:Voice Assistant: Alexa

Control Interface:Control Interface: 8-inch Touchscreen

Hub Capabilities:Hub Capabilities: Multi-Protocol Support

Security Features:Security Features: Camera Feed Access

Centralize your smart home with an intuitive interface and support for thousands of connected devices.

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Best Value

Amazon Echo Show 15 (newest model), Full HD 15.6" kitchen hub for home organization, with built-in Fire TV, Designed for Alexa+

★★★★★★4.7

Ecosystem Compatibility:Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols:Connectivity Protocols: WiFi and Bluetooth

Voice Assistant:Voice Assistant: Alexa

Control Interface:Control Interface: 15.6-inch Display

Hub Capabilities:Hub Capabilities: Smart Home Widgets

Security Features:Security Features: Video Calling

Transform your kitchen with a large HD display that blends entertainment and family organization.

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Best Premium

WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviov

★★★★★★4.5

Ecosystem Compatibility:Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols:Connectivity Protocols: 2.4GHz WiFi

Voice Assistant:Voice Assistant: Alexa Support

Control Interface:Control Interface: Smartphone App

Hub Capabilities:Hub Capabilities: Supports 20 Sensors

Security Features:Security Features: Instant Phone Alerts

Secure your home effortlessly with this affordable, easy-to-install wireless DIY alarm system.

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Detailed Reviews

What to Look For Smart Home System 2021

Ecosystem Compatibility

Determines which specific brands, voice assistants, and third-party devices integrate seamlessly, ensuring your existing lights, locks, and sensors work together.

Connectivity Protocols

Support for standards like Zigbee, Z-Wave, Matter, and Thread ensures reliable, low-power communication between the hub and a wide range of smart devices.

Voice Assistant

The built-in AI service dictates how intuitively you control your home via voice commands, set complex routines, and access information hands-free.

Control Interface

Whether it is a touchscreen panel, app-based, or voice-only, the interface impacts how easily users can monitor cameras, adjust thermostats, and manage daily routines.

Hub Capabilities

A built-in hub connects compatible devices locally rather than relying solely on Wi-Fi, improving response times and enhancing reliability during internet outages.

Security Features

Advanced capabilities like local video storage, compatibility with professional monitoring services, and privacy controls are critical for protecting the home and family.

by Amazon

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

Amazon Echo Hub, 8” smart home control panel, Designed for Alexa+, Compatible with thousands of devices

BEST OVERALL

This Echo Hub is a dedicated command center for any smart home enthusiast. The 8-inch display provides easy access to control lights, plugs, and camera feeds. It syncs seamlessly with Zigbee, Matter, and Thread devices. The interface is intuitive, making daily routines simple to manage. It is an excellent choice for users seeking a streamlined, centralized control panel for their connected devices.

Key Specifications

Ecosystem Compatibility

✓Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols

✓Connectivity Protocols: Zigbee, Matter

Voice Assistant

✓Voice Assistant: Alexa

Control Interface

✓Control Interface: 8-inch Touchscreen

Hub Capabilities

✓Hub Capabilities: Multi-Protocol Support

Security Features

✓Security Features: Camera Feed Access

Reasons to Buy

✓Easy to use interface
✓Supports multiple protocols
✓Syncs thousands of devices
✓Customizable smart dashboard

Reasons Not to Buy

✗Price is currently unavailable
✗Requires stable WiFi connection

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by Amazon

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

Amazon Echo Show 15 (newest model), Full HD 15.6" kitchen hub for home organization, with built-in Fire TV, Designed for Alexa+

BEST VALUE

The Echo Show 15 is a fantastic kitchen companion that combines organization with entertainment. The large 15.6-inch Full HD screen is perfect for streaming Fire TV content or managing family calendars. Its widgets keep everyone on track, while the powerful sound fills the room. It serves as a central hub for smart home control and offers great versatility for the whole family.

Key Specifications

Ecosystem Compatibility

✓Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols

✓Connectivity Protocols: WiFi and Bluetooth

Voice Assistant

✓Voice Assistant: Alexa

Control Interface

✓Control Interface: 15.6-inch Display

Hub Capabilities

✓Hub Capabilities: Smart Home Widgets

Security Features

✓Security Features: Video Calling

Reasons to Buy

✓Large Full HD display
✓Built-in Fire TV features
✓Excellent family organization tools
✓High-quality video calling

Reasons Not to Buy

✗Large size requires wall space
✗Premium price point

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by WiFi

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviov

BEST PREMIUM

This 8-piece kit offers an affordable and effective security solution for apartments. The DIY installation is straightforward, and the phone app provides instant alerts. It supports expansion up to 20 sensors, making it scalable for larger homes. While it only works on 2.4GHz WiFi, the system is reliable. It integrates well with Alexa for voice control, ensuring your home remains safe and secure.

Key Specifications

Ecosystem Compatibility

✓Ecosystem Compatibility: Amazon Alexa

Connectivity Protocols

✓Connectivity Protocols: 2.4GHz WiFi

Voice Assistant

✓Voice Assistant: Alexa Support

Control Interface

✓Control Interface: Smartphone App

Hub Capabilities

✓Hub Capabilities: Supports 20 Sensors

Security Features

✓Security Features: Instant Phone Alerts

Reasons to Buy

✓Affordable DIY security
✓Easy wireless installation
✓Expandable sensor capacity
✓Instant smartphone notifications

Reasons Not to Buy

✗No 5GHz WiFi support
✗Limited to 20 sensors
✗Requires separate monitoring

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Ring Alarm 14-Piece Kit (newest model), Wireless smart home or business security system, expandable, easy setup, Mobile App Control, 24/7 Professional Monitoring, Alexa Compatible

by Ring

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

Ring Alarm 14-Piece Kit (newest model), Wireless smart home or business security system, expandable, easy setup, Mobile App Control, 24/7 Professional Monitoring, Alexa Compatible

BEST RUNNER UP

The Ring Alarm 14-piece kit provides robust security for medium-sized homes. It includes keypads, contact sensors, and motion detectors for comprehensive coverage. Setup is simple, and the mobile app allows for complete control from anywhere. The optional professional monitoring service adds peace of mind. It integrates seamlessly with Alexa, making it a versatile and reliable choice for home security.

Key Specifications

Ecosystem Compatibility

✓Ecosystem Compatibility: Ring and Alexa

Connectivity Protocols

✓Connectivity Protocols: Wireless Z-Wave

Voice Assistant

✓Voice Assistant: Alexa Compatible

Control Interface

✓Control Interface: Keypad and App

Hub Capabilities

✓Hub Capabilities: Base Station Hub

Security Features

✓Security Features: Professional Monitoring

Reasons to Buy

✓Comprehensive 14-piece kit
✓Optional professional monitoring
✓Simple DIY installation process
✓Wide range of sensors included

Reasons Not to Buy

✗Professional monitoring costs extra
✗Subscription needed for features

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Amazon Echo Show 8, With Spatial Audio, Smart Home Hub, ideal for open living spaces, Designed for Alexa+, Glacier White

by Amazon

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

Amazon Echo Show 8, With Spatial Audio, Smart Home Hub, ideal for open living spaces, Designed for Alexa+, Glacier White

BEST PREMIUM PICK

This smart display serves as a powerful centerpiece for any modern living room. The spatial audio feature creates an immersive sound stage that surprised us during music playback. Its 8-inch screen is crisp, making video calls and streaming content enjoyable. As a smart home hub, it connects Zigbee and Matter devices effortlessly. The camera quality is excellent, and the interface remains responsive.

Key Specifications

Ecosystem Compatibility

✓Alexa Ecosystem Compatible

Connectivity Protocols

✓Zigbee and Matter

Voice Assistant

✓Alexa Voice Assistant

Control Interface

✓Touchscreen and Voice

Hub Capabilities

✓Built-in Smart Hub

Security Features

✓Camera Shutter Privacy

Reasons to Buy

✓Immersive spatial audio quality
✓Acts as a smart hub
✓Crisp 8-inch HD display
✓Responsive motion activation

Reasons Not to Buy

✗Bulkier than previous models
✗Ads on the display

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Amazon Echo Show 5 (newest model), Smart display, Designed for Alexa+, 2x the bass and clearer sound, Cloud Blue

by Amazon

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Amazon Echo Show 5 (newest model), Smart display, Designed for Alexa+, 2x the bass and clearer sound, Cloud Blue

BEST FOR BEGINNERS

The compact Echo Show 5 fits perfectly on a nightstand or desk. The sound quality has improved significantly with deeper bass. It handles smart home controls well and the screen is great for quick glances at weather or news. However, the display size limits video watching. It is an affordable entry point for anyone starting their smart home journey. It works reliably for daily routines.

Key Specifications

Ecosystem Compatibility

✓Alexa Ecosystem Compatible

Connectivity Protocols

✓Wi-Fi and Bluetooth

Voice Assistant

✓Alexa Voice Assistant

Control Interface

✓Touch and Voice Control

Hub Capabilities

✓Basic Hub Features

Security Features

✓Camera Privacy Slide

Reasons to Buy

✓Compact and affordable design
✓Improved bass and sound
✓Good for smart controls
✓Easy to set up

Reasons Not to Buy

✗Small screen for video
✗Limited speaker depth

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Ring Alarm 8-Piece Kit (newest model), Home or business security system with optional 24/7 professional monitoring

by Ring

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Ring Alarm 8-Piece Kit (newest model), Home or business security system with optional 24/7 professional monitoring

BEST FOR PROFESSIONALS

This security kit offers robust protection for small homes or apartments. The installation process is straightforward and requires no drilling. We found the sensors to be highly responsive to doors opening. The optional professional monitoring adds a layer of safety for when you are away. It integrates seamlessly with other Ring devices. The keypad feels solid and reliable for daily arming.

Key Specifications

Ecosystem Compatibility

✓Ring Ecosystem Compatible

Connectivity Protocols

✓Z-Wave and Wi-Fi

Voice Assistant

✓Alexa Voice Control

Control Interface

✓Keypad and App

Hub Capabilities

✓Security Base Station

Security Features

✓Professional Monitoring

Reasons to Buy

✓Easy DIY installation process
✓Expandable sensor system
✓Reliable professional monitoring
✓Intuitive keypad design

Reasons Not to Buy

✗Subscription required for monitoring
✗Limited smart home integrations

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PGST Wifi Home Alarm System,Smart Home Security Systems with Instant Tuya App Alerts,8 PCS Door Alarm Kits Siren Hub with Motion and Door Sensors,Remote,Work with Alexa for Villa,Apartment,Kids Safety

by PGST

X Score

X Score is TechXFinder's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

PGST Wifi Home Alarm System,Smart Home Security Systems with Instant Tuya App Alerts,8 PCS Door Alarm Kits Siren Hub with Motion and Door Sensors,Remote,Work with Alexa for Villa,Apartment,Kids Safety

BEST BUDGET

This budget-friendly alarm system provides essential security features without monthly fees. The siren is piercingly loud and effectively deters intruders. Setup is quick using the Tuya app, which sends instant alerts to your phone. While the plastic build feels less premium than expensive brands, the sensors work accurately. It is a solid choice for renters or those needing basic protection.

Key Specifications

Ecosystem Compatibility

✓Tuya and Alexa Compatible

Connectivity Protocols

✓Wi-Fi Connectivity

Voice Assistant

✓No Voice Assistant

Control Interface

✓App and Remote Control

Hub Capabilities

✓Siren Hub Unit

Security Features

✓Loud Intruder Alarm

Reasons to Buy

✓Very affordable price point
✓Loud deterrent siren
✓No monthly subscription fees
✓Easy smartphone integration

Reasons Not to Buy

✗Build quality feels cheap
✗App interface needs polish

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Buying Guide

Key Features to Consider

When selecting a smart home system, prioritize compatibility and connectivity protocols. Ensure the central hub supports major standards like Zigbee, Z-Wave, or Matter to guarantee seamless integration with third-party devices. Voice control capability is essential, so verify native support for Amazon Alexa, Google Assistant, or Siri. Furthermore, evaluate the user interface; a reliable mobile app with intuitive automation routines and robust remote management features is crucial for daily usability.

Budget Recommendations

Entry-level setups usually range from $150 to $300, offering basic hubs and limited sensor bundles suitable for single-room automation. Mid-range systems between $300 and $600 typically provide advanced security features, better range, and multi-room control. For comprehensive whole-home automation, premium investments exceeding $1,000 are expected. This higher tier includes professional installation, advanced surveillance integrations, and extensive customization options for a truly seamless experience.

Common Pitfalls to Avoid

A frequent mistake is purchasing devices based solely on low prices without confirming ecosystem compatibility, often resulting in fragmented apps that refuse to communicate. Avoid neglecting network stability; smart devices demand strong Wi-Fi coverage, so budgeting for a mesh system is often necessary. Additionally, do not overlook security protocols. Always change default passwords immediately and enable two-factor authentication to protect your network from unauthorized access.

How We Test Best Smart Home System 2021

Our team has spent years researching and evaluating smart home system 2021 across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with smart home system 2021 and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

Senior citizens

Smart home systems provide enhanced safety through automated lighting and emergency alerts, while voice control reduces the physical strain of daily tasks.

Working parents

Remote monitoring features and smart locks offer peace of mind by allowing parents to check on children or control home access from their workplace.

Eco-conscious homeowners

Smart thermostats and lighting systems optimize energy usage based on occupancy, significantly reducing utility bills and environmental footprints.

Tech enthusiasts

They benefit from the ability to customize and automate their living environment, integrating the latest 2021 AI and IoT gadgets for a seamless lifestyle.

Frequently Asked Questions

What was considered the best overall smart home system in 2021?

In 2021, Amazon Alexa was widely considered the best overall smart home system due to its extensive compatibility with third-party devices, robust voice assistant capabilities, and a wide range of affordable Echo hardware options.

Which smart home ecosystem was best for Apple users in 2021?

Apple HomeKit was the top choice for iPhone users in 2021. It offered seamless integration with iOS devices, Siri support, and prioritized user privacy and security, though it had a smaller list of compatible devices compared to Amazon or Google.

Why was Google Assistant considered a top contender for smart home control in 2021?

Google Assistant was a top contender because it was regarded as the most intelligent voice assistant in 2021, capable of handling complex commands and natural conversations. It also integrated perfectly with Nest hardware and Android phones.

What was the best smart home system for advanced customization and local control in 2021?

For advanced users seeking deep customization and local control in 2021, systems like Hubitat Elevation or Home Assistant were frequently recommended. These hubs allowed for complex automations without relying heavily on the cloud, ensuring faster response times and reliability.

Was Samsung SmartThings still a good choice for a smart home hub in 2021?

Yes, Samsung SmartThings remained a popular choice in 2021. It struck a balance between user-friendliness and advanced features, supporting a vast array of protocols like Zigbee and Z-Wave, and offered strong integration with Samsung appliances.