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how it workspricingtoolscompareguidesprivacyadd to Chrome

free tool

hook analyzer

Your first line decides whether anyone reads the second. Paste it and get a grade on the five things that make a hook stop the scroll, with a specific fix for each one it fails.

your hook (first line)

paste your first line to score its scroll-stopping power

why the hook is the whole post

On X the first line does 90% of the work. If it doesn't stall the thumb, the rest of the post never gets read, and a great point dies at 300 impressions. The strongest hooks are tight, concrete, and leave a question the reader has to resolve. This tool checks for exactly those signals so you can fix a hook before you post, not after it flops.

Want to see which of your published posts actually hooked people? Grade a post on its save and follow rate, or read what to post on X.

write hooks in your own voice

Argus learns your voice from your best posts and drafts openers that sound like you, grounded in what your own audience actually saved.

add to Chrome

keep going

  • reply graderdoes this reply earn a reply back? the signal that grows small accounts.
  • save scorehow save-able is your post? saves predict follows, likes don't.
  • bio graderdoes your bio turn profile visits into follows, or leak them?

These tools grade one post at a time. See how Argus works to get the same read on your whole account every day, or check what it costs (the growth engine is free). All free tools →

Argus · grow on X, on purposehow it workspricingtoolsguideschrome web store