Heptabase vs Tana vs Mem vs Obsidian Smart Connections
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Heptabase
Visual note-taking on a card-and-whiteboard canvas
Visit
|
Tana
Outliner + database with AI for knowledge graphs
Visit
|
Mem
AI-native note-taking with automatic organization
Visit
|
Obsidian Smart Connections
Local AI plugin for Obsidian
Visit
|
|
|---|---|---|---|---|
| RECATOOLS Score | 6.8 / 10 | 6.8 / 10 | 6.8 / 10 | 6.9 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Subscription | Freemium | Freemium | Open Source |
| Free tier | — | — | — | — |
| Paid from | — | — | — | — |
| Has API | ✗ | ✗ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✓ |
| Free to use | ✗ | ✗ | ✗ | ✓ |
| Users | — | — | — | — |
| Founded | 2021 | 2020 | 2019 | 2023 |
| Maker | — | — | Mem Labs | — |
| Verdict | Heptabase is a visual knowledge-management tool that pairs an infinite whiteboard with structured notes, cards, and PDFs, designed for deep learning, research, and making sense of complex topics. Its standout is the spat... |
Tana is an ambitious, AI-native note and knowledge tool that fuses outlining with structured data through its supertags and node-graph model, letting power users build personal databases, daily notes, and AI-assisted wor... |
Mem is an AI-first note-taking app that de-emphasises folders in favour of automatic organisation, smart search, and AI that surfaces related notes and answers questions across your knowledge base. It suits individuals w... |
Smart Connections is a popular community plugin that adds semantic note linking and a chat-with-your-vault interface to Obsidian, with options to run embeddings locally or via API. For knowledge workers building a person... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.