Free
Free
5 messages a day · text only · up to 500 characters
Checked 10 Oct 2026
Plans and prices
Second Brain pricing
Pro (monthly)
$4.99 a month
Voice notes with transcription · photos with auto-captions · unlimited messages · answers that draw on everything at once
Checked 10 Oct 2026
Pro (yearly)
$39.99 a year
Voice notes with transcription · photos with auto-captions · unlimited messages · answers that draw on everything at once
Checked 10 Oct 2026