App info
- Installs
- 100+
- Category
- Productivity
- Content rating
- Everyone
- Version
- 2.1.6
- Released
- Apr 9, 2026
- Last updated
- 10 Apr 2026
- In-app purchases
- Yes
- Contains ads
- No
- In-app price range
- $4.99 per item
- Promo video
- No
- Requires Android
- 7.0
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What's newin version 2.1.6
Second Brain AI is now available on Android! • Capture thoughts instantly with voice or text • AI automatically classifies and organizes your ideas • Daily and weekly digest summaries • Google Sign-In support • Pro plan: Unlimited AI, Google Calendar/Contacts/Tasks sync, Microsoft 365 sync • Free tier: 10 AI actions per day, no sign-in required
About this app
Capture ideas by voice. AI organizes them so you never lose one.
Read full description
Second Brain AI is your personal AI-powered knowledge manager — designed for busy professionals who want to capture every thought, task, idea, and connection without losing anything. 🧠 CAPTURE ANYTHING, INSTANTLY Speak or type a thought and Second Brain AI automatically classifies it into the right category — Tasks, Ideas, People, or Projects. No folders to navigate, no tags to assign. Just capture and move on. 🔄 SYNC GOOGLE WORKSPACE & MICROSOFT 365 (PRO) Keep your contacts, calendar, and tasks perfectly in sync across your digital life. Second Brain AI connects directly to your Google or Microsoft 365 account and pulls everything into one unified view — no manual entry required. • Google Contacts → People database • Google Calendar → Upcoming events and context • Google Tasks → Unified task list • Microsoft Outlook Contacts, Calendar & Tasks • Gmail & Outlook email import and follow-up tracking 📋 ORGANIZE YOUR ENTIRE LIFE • Tasks — capture to-dos with due dates, priorities, and project links • Ideas — never lose a creative thought again • People — a smart contact database that knows your relationship history • Projects — group everything related to a goal in one place 🎙️ VOICE-FIRST DESIGN Tap the microphone and speak naturally. Second Brain AI transcribes your voice and instantly organizes your thought. Perfect for capturing ideas while driving, walking, or in between meetings. 🔒 PRIVATE & SECURE Your data is encrypted in transit and stored securely. You control your data — export or delete at any time from Settings. 💎 SECOND BRAIN PRO — $4.99/MONTH Upgrade to Pro to unlock: • Unlimited AI queries • Google Workspace sync (Contacts, Calendar, Tasks, Gmail) • Microsoft 365 sync (Contacts, Calendar, Tasks, Outlook) • Priority support Free plan includes: 10 AI queries/day, local storage, voice capture, and all core organization features. Download Second Brain AI and stop letting great ideas slip away.