Signal Extractor vs RewriteBar

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Signal Extractor compared with RewriteBar
Detail	Signal Extractor	RewriteBar
What it does	Summarize any YouTube video or X post in 10 seconds	AI-powered macOS writing assistant for grammar, translation, and productivity
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	DE
Pricing model	Free	Paid
Pricing	Not given	$29 one-time for Standard license (1 device), $59 one-time for Pro license (3 devices). Optional RewriteBar Gateway Credits: 100 once for $29 plan, 100 once for $59 plan, 3 million per month available. Free trial with up to 100 corrections.
Key features	Summarize YouTube videos and X posts Key points with timestamps Ask follow-up questions AI-generated summaries from real transcripts Chrome extension Save summaries to account Follow favorite YouTube channels Get summaries by email	Custom AI actions and workflows Side-by-side text comparison Keyboard shortcuts
What makes it different	Saves time with ten-second summaries instead of watching full videos Free with no account required Handles both video and social media content Interactive chat to ask follow-up questions about content	Works in any macOS app without switching applications Lightweight and privacy-focused design Customizable AI workflows with preset templates One-time purchase with lifetime access
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	46 −1 (down) since last check
Trust Flow (Majestic)	9	10
Citation Flow (Majestic)	22	37
Referring domains (Majestic)	51	472

4 details filled in for both companies.