Otio
9.5/10★ 3.6 (4)AI research assistant that reads and cites PDFs, videos, and articles across hundreds of sources.
✓ Free trial✓ Refund offeredPolicy published
AI research assistant that reads and cites PDFs, videos, and articles across hundreds of sources.
Extracted from Otio's own site and policies — “Not published” means we looked and it isn't there.
Free trial
✓ Free trial
Starting price
Free plan
Free to start with all AI models/features; no paid tier pricing stated in sources
Refund policy
✓ Refund offered
Privacy & your data
Policy published
Privacy policy covers website, apps, extension, and AI-powered features; may act as processor for team/enterprise accounts
Support
Company
Not stated
Best for: Researchers, consultants, and analysts who need to synthesize many documents
Standout: No stated source/file caps and verified citations linking answers to exact source passages
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Our 5-point vetting, with evidence quotes from their own pages.
✓Money-back guarantee verified
✓Free trial confirmed
✓Reachable human support
✓No fine-print return traps
✓No unrealistic marketing claims
Vetted 2026-07-21 · How we compare →
★ 3.6/5 from 4 reviews on Trustpilot — quoted verbatim, good or bad.