Signal Extractor vs Popwave

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 Popwave
Detail	Signal Extractor	Popwave
What it does	Summarize any YouTube video or X post in 10 seconds	AI creation workbench for Chinese web novels
Stage	Not given	Startup
Founded	Not given	Not given
Based in	Not given	CN
Pricing model	Free	Freemium
Pricing	Not given	Free plan with daily sign-in power; Lite membership ¥19.90/month (first month ¥28.00); Basic membership ¥49.90/month (first month ¥68.00); Pro membership ¥99.90/month (first month ¥128.00)
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	Story continuation with AI Character and worldbuilding Image generation Content detection Project workspace with auto-save Multi-tier AI models
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	Full-process AI workbench designed specifically for Chinese web novel authors Flexible pay-as-you-go and tiered membership model All creative content remains owned by the author
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	0
Citation Flow (Majestic)	22	0
Referring domains (Majestic)	51	0

4 details filled in for both companies.