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Students and academics who need cited summaries of many sources; the free plan's ten-file limit suits a single project.

Kenning's take

What it does

Otio is a research workspace that holds PDFs, web pages, videos and transcripts in one place. It summarises them, answers questions with citations back to the source and helps draft documents from the material.

  • AI PDF reader
  • YouTube video summariser
  • webpage and podcast summariser
  • answers with citations
  • choice of AI models
  • Zotero, Dropbox and OneDrive integrations

Who it suits. Students, academics and professionals who read lots of sources and need cited summaries.

Key facts

Made by
Frontdoor Labs Limited
Based in
United Kingdom
Works on
Web, iPhone, Android, Chrome extension
In the UK
Yes
Free plan
Limited monthly AI usage, up to 10 files, 1 space

Pricing

PlanPriceBilled
Lite (billed yearly)$84year
Go (billed yearly)$216year

source

Ratings

FAQ

Is Otio free?

Partly. The free option is: limited monthly AI usage, up to 10 files, 1 space. Pricing checked 2026-10-11: Free plan with limited AI use; Lite from $7 a month, Go from $18 a month billed yearly (USD).

Does Otio work on Android?

Yes. Otio runs on the web, iPhone, Android and a Chrome extension.

Who makes Otio?

Otio is made by Frontdoor Labs Limited, based in the United Kingdom.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.

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