Set vs Heptabase

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Set compared with Heptabase
Detail	Set	Heptabase
What it does	A private, open source alternative to Notion and Obsidian with device-to-device sync and no account required	Master anything you learn. Do your best research with AI.
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Open source	Freemium
Pricing	Free. No paid plan. Optional support via Ko-fi.	Pro: $8.99/month (Yearly: Save 25%); Premium: $17.99/month (Yearly: Save 25%); Premium+: $53.99/month (Yearly: Save 25%). Plans include unlimited notes, whiteboards, tags, and collaborator invites. Pro includes 100 AI credits/month and AI agent with Gemini models only. Premium includes 1,800 AI cred
Key features	Block editor with slash menu and Markdown shortcuts Device-to-device sync without cloud or account On-device dictation in 15 languages Quick switcher for search and actions Customizable themes and colors Contexts for separate workspaces Support for linked pages, images, dates, and equations Local MCP server for AI assistant integration Markdown files on your device To-dos, tables, toggles and subpages	Block-Based Editor Bi-Directional Links PDF Annotation Web Clipper Daily Journals Readwise Integration Zotero Integration Search over 10,000 notes in less than a second
What makes it different	Syncs between devices without cloud or account required Completely free and open source with no paid plan Your notes remain as portable Markdown files you own Works offline with no subscription or account needed Pair two devices with a code for direct synchronization	AI-powered explanations and organization of sources and notes Visual whiteboards and cards for clarifying thinking Connected knowledge base with all sources, notes, highlights in one place
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	64 +1 (up) since last check
Trust Flow (Majestic)	3	9
Citation Flow (Majestic)	19	38
Referring domains (Majestic)	46	1076

5 details filled in for both companies.

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