Freemium Knowledge Extraction AI tools

9 freemium tools for Knowledge Extraction

Compare tools built for Knowledge Extraction. Filter by pricing and access, then open a few before you commit.

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Price

Any Free Freemium Trial Paid

Platforms & integrationsAPI, web, mobile, and connected apps

Access

Any API Web iOS Android Chrome ext.

Works with

Make LinkedIn Instagram MCP Slack X / Twitter

Scholarcy ✓

Freemium

Convert long articles into summary flashcards.

Source rating 4.0 Free + from $9.99/mo 90.9K/mo 6k views 1.5k saves

Academic research

Ask Your PDF ✓

Freemium

Chat with your PDFs and extract valuable insights

Source rating 3.5 Free + from $11.99/mo 49k views 1k saves

Document chat

TubeYakker ✓

Freemium

Process YouTube playlists faster — extract signal without watching every minute

Source rating 4.8 Free + from $5 35k views 27 saves

YouTube content analysis

Explainpaper ✓

Freemium

Demystify academic papers with AI-powered explanations.

Source rating 3.7 Free + from $12/mo 15k views 322 saves

Document insights

Defog ✓

Freemium

ChatGPT for data, embedded in your app.

Free 7.2k views 29 saves

Database Q&A

Alphy ✓

Freemium

Transcribe and analyze audiovisual content with AI.

Source rating 3.0 Free + from $12/mo 4.3k views 24 saves

Summaries

My reader ✓

Freemium

AI book assistant: Upload, ask, explore answers instantly.

Source rating 5.0 Free + from $6 / mo 3.6k views 37 saves

Q&A from books

Kome Summaries ✓

Freemium

Summarize content instantly with AI

Free + from $5.99/mo 468.7K/mo 2.8k views 25 saves

Summaries

Podwise ✓

Freemium

The premier note-taking app for podcast listeners.

Free + from $5.90/mo 1.5k views 10 saves

Notes