What Is VIZIO SmartCast?

VIZIO SmartCast is the built-in smart TV platform on modern VIZIO televisions. It combines a curated home screen of streaming apps, built-in Chromecast functionality, support for Apple AirPlay 2, voice assistant integration, and access to VIZIO's free streaming service — WatchFree+. If you have a VIZIO TV from 2016 or later, chances are it runs SmartCast.

Setting Up SmartCast for the First Time

SmartCast is activated during the initial TV setup process. Once your TV is connected to Wi-Fi and your account is activated, SmartCast loads automatically. To get the most out of it, also install the VIZIO SmartCast Mobile App on your smartphone (available for iOS and Android).

Linking the SmartCast App to Your TV

  1. Download the VIZIO SmartCast app from the App Store or Google Play.
  2. Open the app and sign in with your VIZIO account.
  3. Make sure your phone is on the same Wi-Fi network as your TV.
  4. Tap the device icon and select your TV from the list.
  5. Your phone is now a remote control and casting device.

How to Cast Content to Your VIZIO TV

SmartCast has Chromecast built in, meaning you can cast directly from hundreds of apps on your phone or tablet.

  • From YouTube: Tap the cast icon in the YouTube app and select your VIZIO TV.
  • From Netflix: While playing content, tap the cast icon and choose your TV.
  • From Chrome Browser: Click the three-dot menu → Cast → Select your TV to mirror a browser tab.
  • From iPhone/iPad: Swipe to Control Center, tap Screen Mirroring, and select your VIZIO TV (AirPlay 2 compatible models).

Using Voice Control with SmartCast

SmartCast supports both Amazon Alexa and Google Assistant. Here's how to set them up:

Setting Up Alexa

  1. Open the Amazon Alexa app on your phone.
  2. Go to More → Skills & Games and search for "VIZIO SmartCast."
  3. Enable the skill and link your VIZIO account.
  4. Discover devices — your TV will appear in the Alexa app.

Setting Up Google Assistant

  1. Open the Google Home app.
  2. Tap + → Set up device → Works with Google.
  3. Search for "VIZIO SmartCast" and link your account.
  4. Your TV can now be controlled with Google voice commands.

SmartCast Tips You Should Know

  • WatchFree+: VIZIO's free streaming service has hundreds of live channels and on-demand content — no subscription needed. Find it directly on the SmartCast home screen.
  • Customize the Home Screen: Press the V button and rearrange or remove app tiles by highlighting them and pressing the Menu button.
  • Mobile Remote: The SmartCast app turns your phone into a full-featured remote — including a keyboard for easy text entry.
  • SmartCast+: Some content recommendations are personalized. Sign in with your VIZIO account for a tailored experience.
  • Screen Mirroring: You can mirror your entire Android screen to your TV using the cast feature — great for sharing photos or presentations.

Keeping SmartCast Up to Date

VIZIO regularly pushes updates to SmartCast. Your TV should update automatically overnight when connected to Wi-Fi. To manually check for updates, go to Settings → System → Check for Updates.

Make SmartCast Work for You

SmartCast is a powerful platform when you know how to use it. From casting from your phone to hands-free voice control, these features make your VIZIO TV one of the most versatile smart TVs available at its price point.