Summarizer.tube vs Opsis

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

Summarizer.tube compared with Opsis
Detail	Summarizer.tube	Opsis
What it does	Free AI tool that turns YouTube videos into summaries with key points and timestamps	Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
Stage	Startup	Startup
Founded	2026	2026
Based in	Not given	AU
Pricing model	Freemium	Freemium
Pricing	Free: 5 summaries per day, no signup required. Pro: $7.99/month or $59.99/year (save 37% with annual billing). Free users get key points extraction; Pro includes 100 summaries and video questions per day, 50 transcript extractions per day, and instant translation to 12 languages.	Not given
Key features	Instant YouTube video summarization Key points extraction with timestamps Chat with video content 50+ languages supported No account required YouTube Shorts support Full transcript extraction Chrome extension available	Autocomplete with Tab to accept drafts Error detection and fact-checking Cross-app integration Source attribution for every suggestion Context-aware AI assistance One-click pause and privacy control Encrypted data storage Read-only app connections Natural writing style matching
What makes it different	Free with no mandatory signup or credit card Clickable timestamps let you jump directly to moments in the video Summaries available in 12 target languages independent of video language	Finishes sentences from your actual work history and connected files, not generic AI Shows source for every suggestion so you can verify it before accepting Catches mistakes and contradictions between what you're writing and your work history Works inline in the apps you already use without installation You stay the author with full control over what gets written
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	4 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	17	12
Referring domains (Majestic)	8	1

6 details filled in for both companies.

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