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Heptabase vs Perplexity
Side-by-side comparison of features, pricing, and ratings
Pricing
Freemium
Freemium
Plans
$0/mo
$8.99/mo (billed annually) or $12/mo monthly
$17.99/mo (billed annually) or $24/mo monthly
$53.99/mo (billed annually) or $72/mo monthly
$0/mo
$20/mo
Popularity
3.1k views
5.4k views
Skill Level
Intermediate
Beginner-friendly
API Available
Platforms
WebDesktopMobile
WebMobile
Categories
🔬 Research & Education
🔬 Research & Education
Features
AI Tutor for structured learning sessions
Whiteboard and cards for visual thinking
Block-based editor
Bi-directional links
PDF annotation and highlights
Web clipper
Daily journals
Readwise integration
Zotero integration
YouTube source import
Note and journal support
CLI agent for coding workflows
Course syllabus creation
Works with Claude Code and Codex
Real-time web search with cited answers
Follow-up questions in threaded conversations
Clean, ad-free interface
Inline source footnotes for every answer
Collections for organizing saved threads
File upload for analysis (images, PDFs, text)
Continuous conversation memory per thread
Multiple AI models (GPT-4, Claude, etc.) in Pro
Unlimited Copilot queries in Pro
API access for developers
Browser extensions for Chrome, Firefox, Edge
Mobile apps for iOS and Android
Integrations
Readwise
Zotero
YouTube
Claude Code
Codex
Chrome extension
Firefox extension
Edge extension
iOS app
Android app
Web browser
API (REST)