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Rook Signal vs AuthoredUp
AuthoredUp is a Chrome extension for drafting posts. Rook Signal is a workspace for drafting replies.
Last updated 2026-04-24
AuthoredUp focuses on the formatting and drafting loop for your own LinkedIn posts. Rook Signal focuses on replies to other people’s posts and the daily ritual of clearing a pre drafted queue.
Aspect
Rook Signal
AuthoredUp
Surface
A workspace outside LinkedIn with a tracker and queue.
A browser extension inside the LinkedIn composer.
Presence strategy
Quiet presence under twenty accounts every morning.
Improve your own posts, one at a time.
Voice
Rook Persona learns your cadence and uses it on every reply.
Rewrite and formatting assistance.
Archive
Searchable history with CSV export.
Draft history inside your account.
AuthoredUp sharpens how you write your posts. Rook Signal makes your replies show up under the posts that already have an audience.