Otio: AI Research Assistant

Otio: AI Research Assistant

Chat with PDFs, papers & notes

2 ratings
1 review
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 20, 2026
  • July 15, 2026
Otio: AI Research Assistant screenshot #1 for iPhone
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About

Organize scattered research materials like PDFs, links, and notes into a connected library. Ask AI questions across your documents, generate summaries and drafts, and keep projects organized with AI chats that understand your context.

Ask AI questions across research library
Upload PDFs, documents, links, and more
Summarize long papers and web pages
Generate outlines and first drafts
Organize work into color-coded Spaces
Import from cloud storage and reference managers
Choose from top AI models
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What's New in Otio

1.0.14

July 15, 2026

Bug fixes and improvements.

Subscription plans

Otio Lite Yearly

Get started with AI research · Yearly

$84.001 Year
How to cancel Otio subscription ⁉️

User reviews

Otio Has Become My Primary Research Workspace as a Working Researcher

As a researcher managing dozens of PDFs, academic papers, technical reports, video lectures, interview transcripts, and notes across multiple projects, I’ve tried many AI tools. Most deliver generic, ungrounded answers. Otio AI Research Assistant stands out as the one that truly solves real research pain points. After months of daily use, it earns a full 5 stars. 

Here are what I liked most:

• Chat Across Your Entire Library with Verified Citations
Upload batches of papers, documents, and videos. Ask synthesis questions like “What are the main methodological contradictions in these 12 studies?” or “Extract findings on Y from sources after 2023.” You get clear answers tied to exact pages or timestamps—no hallucinations, just honest gaps flagged when sources lack support. Essential for publishing and defending work. 

• Dedicated Spaces for Each Project
Every literature review, grant proposal, systematic review, or analysis gets its own isolated workspace. Sources, chats, and context stay separate. No more re-uploading or lost threads like in ChatGPT or NotebookLM. This persistent organization is a game-changer. 

• Accurate, Layered Summarization
A 60-page paper or 90-minute transcript yields a tight executive summary plus expandable details on limitations, quotes, or data. Follow-ups stay grounded. I now process 30–50 papers for literature reviews in a fraction of the old time, spotting themes and contradictions fast. 

• Practical AI Writing
Generate outlines, method sections, briefs, and drafts directly from your sources. Switch between models for precision or creative synthesis. Output stays faithful, slashing fact-checking time. 

• Seamless Workflow
Easy imports from Google Drive, Dropbox, Mendeley, Zotero, and more. Mobile highlight-to-ask and quick capture let me add sources on the go. The clean iOS interface supports deep focus without distractions. 

Large batches take a few minutes to process, and heavy use benefits from paid plans. It complements—not replaces—specialized stats software or reference managers. Still, it wins on persistence, multi-source synthesis, and citation reliability. 

If you collect, synthesize, and write from messy information streams, Otio delivers real value. It has cut my weekend work and boosted output quality and speed. Trusted by over 200,000 researchers and professionals, it’s built for serious intellectual labor. 
Strongest recommendation. Download Otio, create a Space, and feed it your current project. You’ll feel the difference immediately.
Perfect for: AI research assistant for academics, chat with PDFs, AI literature review tool, research paper summarizer with citations, and persistent AI workspace for researchers. This is the one that sticks.

Five stars.
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FAQ

What is Otio?

Otio is an AI research assistant designed to help users organize scattered research materials like PDFs, links, and notes into a connected library. It allows users to ask AI questions across their documents, generate summaries and drafts, and keep projects organized.

What file types can I upload to Otio?

Otio supports a wide range of file types including PDFs, Word documents, EPUBs, links, notes, images, audio, and videos. It also integrates with cloud storage services like Google Drive, Dropbox, Box, and OneDrive, as well as reference managers like Mendeley and Zotero.

Does Otio have ads?

No, Otio does not have advertisements. The application is free to use with optional subscription plans for enhanced features.

How does Otio's subscription model work?

Otio offers a free tier with core AI features and web research. Paid subscriptions (Lite, Go, Pro) unlock higher upload limits, cloud connectors, multi-step research workflows, more Spaces, and Read Aloud functionality. Subscriptions auto-renew unless canceled at least 24 hours before the current period ends.

What AI models does Otio use?

Otio allows users to choose from a selection of top AI models, including GPT, Claude, Gemini, Grok, and DeepSeek, to power its research and summarization capabilities.

Can I use Otio offline?

The provided information does not specify offline functionality. However, features like web research and cloud integrations suggest an active internet connection is generally required for full functionality.

How often is Otio updated?

The latest version of Otio is 1.0.10, which was last updated on June 23, 2026. This indicates a relatively frequent update schedule, suggesting ongoing development and improvements.

What is the age rating for Otio?

Otio has an age rating of 4+, making it suitable for a wide range of users. It is available on iPhone and iPad devices.