subtitle.im vs Starizon AI

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

subtitle.im compared with Starizon AI
Detail	subtitle.im	Starizon AI
What it does	YouTube captions, on when needed, off when they get in the way.	AI browser extension for web research, data extraction and automation
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0, no sign-up needed, 10 successfully handled videos in total with no monthly reset. Pro subscription: $17.99 / year, billed annually. Pro Lifetime: $29.99 / once, pay once for ongoing maintenance and all major and minor updates.	Free plan includes 200,000 one-time credits, daily and monthly usage limits, and 2 active schedules plus 2 monitors. Basic: $8/month or $88/year with 3,600,000 monthly credits and 20 combined schedules and monitors. Pro: $18/month or $198/year with 10,000,000 monthly credits. Lifetime: $49 one-time
Key features	Automatic caption control - follow YouTube, auto-open, or auto-close Local OCR detects burned-in subtitles Handle duplicate captions with separate settings Manage different languages in captions Channel-specific caption rules (Pro) Video-specific rules (Pro) Remember confirmed caption closures (Pro) Restore captions if hidden by mistake Privacy-first local processing	Compare multiple webpages and tabs in one conversation Extract and filter data into spreadsheets Agent S6 for multi-step browser automation Knowledge Base for saving pages and highlights Bookmark search and organization Schedule tasks and page monitoring with alerts Connect to Gmail, Notion, Google Sheets and Airtable Replay saved browser workflows Bring your own API key (BYOK) Tab grouping and duplicate detection
What makes it different	All processing happens locally in your browser with no video frames uploaded Automatically detect burned-in subtitles and handle them separately from YouTube captions Set caption preferences at global, channel, or video level Free to try with 10 videos before upgrading No email or account required for free use	Work with your browser tabs, bookmarks and saved knowledge in one conversation Your Knowledge Base and data stay on your device, you choose the AI model Privacy-first with optional local-first approach and no model training on your sessions Handles complex multi-step tasks combining research, data extraction and automation
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	31 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	15	5
Citation Flow (Majestic)	24	28
Referring domains (Majestic)	36	187

5 details filled in for both companies.

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