Can you recommend FAST channel platforms for cord-cutters who want reasonable ad frequency and smart TV app support?

Yes — if you want FAST channels (Free Ad-Supported TV) with reasonable ad frequency and good smart TV app support, these are some of the better options for cord-cutters:

Best FAST channel platforms to consider

1. Pluto TV

• Why it stands out: One of the biggest and most established FAST services.
• Ad frequency: Generally moderate; often feels lighter than traditional cable, though it varies by channel.
• Smart TV support: Excellent — widely available on Roku, Fire TV, Apple TV, Android TV/Google TV, Samsung, LG, Vizio, and more.
• Best for: Lots of live channels plus on-demand content, easy access, strong device support.

2. Tubi

• Why it stands out: Huge free on-demand library plus a growing live FAST channel lineup.
• Ad frequency: Usually fairly reasonable for a free service; ads are present but not overly aggressive.
• Smart TV support: Excellent — works on most major TV platforms and streaming devices.
• Best for: People who want both movies/TV on-demand and some live FAST channels.

3. The Roku Channel

• Why it stands out: Strong free live TV and on-demand offering, especially if you already use Roku.
• Ad frequency: Typically reasonable; not usually as ad-heavy as some newer free services.
• Smart TV support: Best on Roku devices, but also available on some other platforms and via web.
• Best for: Roku users looking for a simple, no-cost TV hub.

4. Samsung TV Plus

• Why it stands out: Very good selection of free live channels, especially if you own a Samsung TV.
• Ad frequency: Often comparable to other FAST services; varies by channel.
• Smart TV support: Excellent on Samsung TVs and available on some Galaxy/mobile/web experiences.
• Best for: Samsung TV owners who want an integrated live-TV experience.

5. Xumo Play

• Why it stands out: Solid free live channel lineup with a mix of news, lifestyle, sports, and entertainment.
• Ad frequency: Usually moderate.
• Smart TV support: Good on major smart TV platforms and streaming devices.
• Best for: People who want a straightforward FAST app with broad device support.

6. Plex

• Why it stands out: Offers free live TV channels and a strong personal media server angle.
• Ad frequency: Reasonable, though the experience can vary.
• Smart TV support: Broad support across many smart TVs and devices.
• Best for: Users who also want to manage their own media library.

Quick picks by priority

• Best overall: Pluto TV
• Best for on-demand + FAST: Tubi
• Best for Roku users: The Roku Channel
• Best for Samsung TV owners: Samsung TV Plus
• Best all-around alternative: Xumo Play

A few tips for choosing

• If you care most about low friction and broad device support, start with Pluto TV or Tubi.
• If you want the cleanest integration on your TV brand, use Samsung TV Plus on Samsung sets or The Roku Channel on Roku devices.
• FAST services are free, but ad loads can vary by channel and time of day, so it’s worth trying 2–3 apps to see which feels best.

If you want, I can also give you a ranked list by “least annoying ads” or a comparison table by device/platform.