
Obsidian
8.9#4 in note-taking appsFrom $50 a yearFree planAndroidiOSExtensionLinux
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| Fact | Obsidian | Twos |
|---|---|---|
| Free plan | Yes | The Free plan includes unlimited things, lists, and to-dos, plus 20 AI chat messages per month. |
| Integrations | Notion,Airtable,Microsoft OneNote,Evernote,Apple Notes,Apple Journal,Google Keep,Bear,Craft,Roam Research,Logseq,Tomboy,Gnote | Apple Calendar,Google Calendar,Apple Reminders,Email,Text messages,WhatsApp,Slack,Discord,X,Bluesky,Raycast,Readwise,Kindle,Apple Books,Libby,Kobo,Zapier,API,ChatGPT,MCP,Chrome extension |
| Note sharing | Yes | Yes |
| Offline access | Yes | Yes |
| Real-time collaboration | Yes | Yes |
| Supported platforms | Windows,macOS,Linux,iOS,Android,Chrome extension | web,windows,macos,linux,ios,android,chrome_extension,api |
Obsidian suits people who want local, offline notes and a customizable knowledge-work app. Teams can use shared vaults, while Sync and Publish are paid options for syncing or hosting notes.
Twos suits people who want notes, tasks, reminders, and lists in one place across multiple platforms. The free plan may fit users who need basic lists and to-dos, while Plus adds unlimited AI chat and other listed features.