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SPECIFICTION
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SecondBrain

secondbrainmemory.com

From $2.92/mo Free plan WebmacOSiOSAndroid
Visit secondbrainmemory.com
Spec score 7.9 #31 of 42 in AI Note-Taking Apps

What it is

SecondBrain turns spoken thoughts, typed notes and content shared from other apps into organized notes, calendar events and reminders. Its AI transcribes, titles and files notes into a folder tree that builds as material is added. Mentioning a date can create an event and reminder, and the app provides a daily morning briefing. Full-text search and an interactive 3D graph help users find notes and explore connections. A shared-memory connector using MCP supports assistants including Claude, ChatGPT, Gemini, Cursor and Claude Code. The connector requires Pro, and connecting ChatGPT also requires Developer mode, which the maker says is available on Plus or above. The maker says notes and calendar events are stored in an EU-hosted Supabase PostgreSQL database with per-account Row-Level Security; voice and text go through Google Gemini's paid API tier, which it says does not train on content. The free plan has limited notes. Pro is $8.99 a month or $34.99 a year; the App Store also lists a second yearly price of 44.99 USD.

Spec sheet

What it does
SecondBrain turns voice input into organized notes, calendar events and reminders.Read 9 Oct 2026 · secondbrainmemory.com
Intended users
The App Store describes it as a place for busy people, including founders and students, to capture thoughts and let AI organize them.Read 9 Oct 2026 · apps.apple.com
Support
The maker says users can request a full data export for other data or platforms by emailing its listed support address.Read 9 Oct 2026 · secondbrainmemory.com
Headquarters
Sheridan, Wyoming, USARead 28 Sep 2026 · secondbrainmemory.com
AI integrations
The shared memory connector uses MCP and supports assistants including Claude, ChatGPT, Gemini, Cursor and Claude Code.Read 9 Oct 2026 · secondbrainmemory.com
AI organization
Its AI transcribes, titles and files notes into a self-building folder tree.Read 9 Oct 2026 · apps.apple.com
Calendar and reminders
Mentioning a date can create a calendar event and reminder, and the app provides a daily morning briefing.Read 9 Oct 2026 · play.google.com
Connector requirement
Shared AI memory is a Pro feature, and connecting ChatGPT requires Developer mode, available on Plus or above according to the maker.Read 9 Oct 2026 · secondbrainmemory.com
Data handling
The maker says notes and calendar events are stored in an EU-hosted Supabase PostgreSQL database with per-account Row-Level Security; voice and text are processed by Google Gemini's paid API tier, which it says does not train on content.Read 9 Oct 2026 · secondbrainmemory.com
Export
Pro on iPhone can export notes as Markdown files in a ZIP; the maker says this is a manual export rather than continuous sync.Read 9 Oct 2026 · secondbrainmemory.com
Privacy claims
The maker says it uses no analytics or ads, does not train on user data, encrypts memory and lets users delete their data.Read 9 Oct 2026 · secondbrainmemory.com
Search and graph
The app offers full-text note search and an interactive 3D graph of connected notes.Read 9 Oct 2026 · apps.apple.com
Voice capture
The app can capture thoughts by speaking, typing or sharing content from other apps.Read 9 Oct 2026 · apps.apple.com

Plans and prices

Free Free Limited notes; capture, organize and recall notes Read 9 Oct 2026 · secondbrainmemory.com
Pro $8.99 a month Monthly; price listed as $8.99 in the US App Store Unlimited notes · unlimited AI capture and answers · AI assistant connector Read 9 Oct 2026 · apps.apple.com
Pro Yearly $34.99 a year Yearly; App Store also lists a second yearly price of $44.99 Unlimited notes · unlimited AI capture and answers · AI assistant connector Read 9 Oct 2026 · apps.apple.com

Every SecondBrain plan and price →

Strong points and limits

Strong points

  • Captures by voice, typing or sharing from other apps.
  • Can turn dates into calendar events and reminders.
  • Includes full-text search and a 3D note graph.
  • Free plan available with limited notes.

Limits

  • Free plan limits notes.
  • AI assistant connector requires Pro.
  • ChatGPT connection requires Developer mode.
  • Pro Yearly also has a second listed price of 44.99 USD.

Who it suits

It may suit busy people, including founders and students, who want to capture thoughts and have AI organize them. Users who want shared AI memory need Pro, and ChatGPT connections also require Developer mode.

Verdict

SecondBrain combines quick capture with AI organization, reminders and note discovery across web, iOS, Android and macOS. Check the connector requirements and the two listed yearly prices before choosing Pro.

Where Specifiction places it

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