Thumb-Stop Ratio

Similar to hook rate — how often viewers stop scrolling when your ad appears.

In practice

A strong thumb-stop is usually an emotional face, bold text, or unexpected visual in the first frame. Reaction UGC combines both face and emotion.

UGCBundle provides real human reaction UGC clips you can download instantly for TikTok and Meta ads — no creator briefs, no AI avatars.

Browse the library or see pricing to get started.

Ready to grab reaction clips?

Instant download. Commercial license. From $19.