Shortlist · checked Oct 4, 2026
Best AI note-taking apps
Note apps now bundle AI search, summaries and meeting capture. Compare how AI features are limited on the free tier, because that is where the plans differ most.
- Lowest listed start
- Obsidian · $5/mo
- With a free plan
- 5 of 6
- With API access
- 2 of 6
What to compare
- Whether AI features are included, metered or a paid add-on
- Sync and storage model: local files or cloud workspace
- Collaboration and sharing on the free plan
- Export and API access
- 01
Notion
Notion is an AI workspace where teams write docs, manage projects, build wikis, and automate workflows in one connected app. The homepage highlights custom agents, enterprise search, meeting notes, and databases alongside calendars and published sites.
Best for: Individuals and teams that want docs, tasks, wikis, and AI-assisted workflows in a single workspace with tiered collaboration controls.
- 02
Notion AI
Notion AI is the vendor’s in-workspace AI layer for search, writing, agents, meeting notes, and enterprise knowledge tasks. The product page markets a 24/7 AI team that answers questions, prioritizes work, and completes multi-step tasks using Notion and connected app context.
Best for: Teams already on Notion who want agents, enterprise search, and AI meeting notes without switching to a separate chat tool.
- 03
Obsidian
Obsidian is a local-first note-taking app that stores linked Markdown notes on your device, with optional paid Sync and Publish services and a plugin ecosystem.
Best for: Writers and researchers who want private, local Markdown notes with linking.
- 04
Mem
Mem is an AI chief-of-staff product pairing a Workspace for notes, meetings, and clips with Mem Agent that tracks tasks, projects, and routines. Voice Mode, calendar connections, and proactive check-ins help founders and operators stay on top of work without manual tagging.
Best for: Founders, consultants, and managers who want proactive task detection across notes, voice captures, and connected apps.
- 05
Coda
Coda is an all-in-one doc workspace blending documents, spreadsheets, apps, and Coda AI for teams. The vendor is transitioning branding toward Superhuman Docs while keeping Coda hubs, trackers, and integrations on the main product site.
Best for: Teams that want flexible docs-turned-apps with embedded AI and connected tooling.
- 06
Saga
Saga AI embeds GPT-powered drafting, brainstorming, grammar fixes, and translation for 20+ languages inside Saga notes, docs, and tasks. Teams collaborate in workspaces with optional unlimited AI on paid Standard and Business plans.
Best for: Knowledge workers who want AI assistance inside their note-taking workspace without switching to a separate chat app.
This is a shortlist, not a ranking by quality. Tools are ordered by fit for the task, and every price, free-tier and API statement comes from the vendor's own pages on the date shown. Where a figure could not be confirmed it is marked as such.
AI note-taking apps: common questions
What is the best free AI note-taking app?
Notion, Obsidian, Mem, Coda, Saga have an ongoing free plan in this list. Free plans change and often cap usage, so check the vendor before relying on one.
What is the cheapest paid option?
Obsidian has the lowest listed starting price in this list at $5/mo per month. Some prices are quoted for annual billing; each tool's page shows the billing basis.
Which of these have an API?
Notion AI, Coda mention API or developer access. Check each vendor for API pricing, which is usually billed separately.