Unriddle
by Unriddle
Overview
AI research reading assistant
Typical use cases: Document comprehension; research paper Q&A; note-taking with AI; connected knowledge building
What it's best for
Ideal users
Key capabilities
Works with
- PDFs
- documents
- web pages
- notes
Outputs
- AI answers
- notes
- connected knowledge graphs
- references
Getting started
Time to productivity: 5 min
Learning curve: Easy
Pricing
Free tier; Pro $16/mo
Difficulty
beginner
Time to Start
5 min
Privacy
medium
Mobile access
How to use Unriddle on phones and tablets.
- Mobile web: Works in a mobile browser (responsive or dedicated mobile site).
Free Tier
Free: 5 documents; basic AI Q&A; note-taking; limited features
Limits: Free: 5 docs; Starter: 30 docs/mo; Pro: unlimited; Team: unlimited + collaboration
When to upgrade: Document limits; advanced AI features; writing assistant; team collaboration; larger uploads
Technical Details
Ideal For
Supported Content
Output Formats
Alternatives
NotebookLM
by Google
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Free: Full access; upload up to 50 sources per notebook; Audio Overview (podcast generation); sharing
SciSpace
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Free: Free: limited paper reads; basic Q&A; limited highlights; Copilot queries
ChatPDF
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Chat with PDF documents using AI
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