Viral 3-Second Hook & Retention Tester

Test Your Hook Retention Before Posting

Analyze your opening hook in real-time. Score curiosity triggers, estimated 3-second retention rate, and get 3 AI-optimized high-performing rewrites.

Try sample hook:
16 words91 chars~5 seconds speaking time
Est. 3-Sec Retention
%90Viral Grade

Percentage of viewers likely to keep watching past the first 3 seconds.

Curiosity Gap Score
80/100

How effectively your opening phrase triggers dopamine curiosity.

Urgency & Stakes
80/100

Leverages loss aversion, FOMO, or crucial mistake avoidance.

3 High-Retention Alternative Rewrites

High Curiosity Gap

"Nobody talks about this, but here is how to double your TikTok views this week using this secret setting. without spending a dime."

Contrarian / High Stakes

"Everything you've been told about this is wrong. If you want results, do this instead."

Punchy 3-Second Fast Hook

"Do not upload your next video until you fix this single setting."