Does turning off comments hurt your reach?

Short answer: Probably a little, indirectly. TikTok doesn't publish a penalty for disabling comments, but comments are an engagement signal, and turning them off removes one of the interactions that helps a video get pushed. It won't kill a strong video, but you're giving up a lever. Leave comments on unless you have a real reason not to.

Comments are a signal you'd be switching off

TikTok reads engagement, including completion, rewatches, shares, and comments, to decide whether to widen a video's distribution. Comments are one of those signals, and an active comment section can keep people on a video longer as they read and reply. Turn comments off and you remove that input entirely. TikTok doesn't publish whether disabling comments carries a direct penalty, so anyone stating a hard number is guessing, but the honest read is that you're voluntarily giving up one of the interactions that helps a post travel. It's not catastrophic, since a video with strong retention can still do well; it's just an unforced handicap.

When turning them off is worth it anyway

Reach isn't the only thing that matters. There are legitimate reasons to disable comments: protecting your peace on a sensitive post, avoiding a pile-on, keeping a kids-adjacent video clean, or heading off spam on something you know will attract it. If any of those apply, the trade is reasonable, and a slightly smaller push is a fair price for not moderating a toxic thread.

Leave comments on by default; they're free engagement and reach signal.
If a specific post invites harassment or spam, turning them off for that one is fine.
Consider filtering keywords or restricting who can comment instead of disabling entirely, so you keep the signal without the mess.
Don't disable comments account-wide as a growth strategy; you'd be trading reach for nothing.

If the reason you want comments off is that you dread negativity, try filtering and comment controls first. You keep the engagement that helps distribution while cutting the part that stresses you out. Reserve a full shut-off for posts where the downside is real.

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Does turning off comments hurt your reach?

Comments are a signal you'd be switching off

When turning them off is worth it anyway

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