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Compare allApp info
- Installs
- 5+
- Category
- Productivity
- Content rating
- Everyone
- Version
- 20260605.1218
- Released
- Sep 29, 2026
- Last updated
- 29 Sept 2026
- In-app purchases
- No
- Contains ads
- No
- Promo video
- No
- Requires Android
- 7.0
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- Create Google Calendar events from the Calendar screen or journal entries. - Improve event and task forms, validation, and error handling. - Add Light, Dark, and System appearance settings. - Add account, privacy, terms, and account-deletion settings. - Second Brain creates requested events; existing events remain managed in Google Calendar.
Capture thoughts by voice or text, then review summaries and to-dos
Second Brain is a journal for capturing thoughts and organizing plans in one place. Capture your thoughts Write an entry or record a voice note on your phone. Voice entries can be transcribed so you can revisit them as text. Review your day Browse your journal by date, search entries using text or voice, and choose to generate an AI summary of your day. Review AI-generated text for accuracy. Keep track of tasks Add to-dos yourself or review tasks drawn from your journal entries. Mark tasks complete as you go. Plan with Google Calendar Optionally connect Google Calendar to create new events from dated plans you capture. Second Brain does not read, edit or delete your existing Google Calendar events. Find the privacy policy, terms and account deletion information in Settings.