Mindstack

Mindstack is a calm, private place to think — a 100% offline "second brain" that keeps everything on your device and nothing in the cloud.

No account. No sign-up. No internet permission. Your notes never leave your phone.

WHAT YOU CAN DO
• Notes — capture thoughts fast and find them instantly with built-in search.
• Ideas — jot down sparks and revisit them when inspiration strikes.
• Reminders — never forget a task, with repeating daily/weekly/hourly reminders.
• Voice notes — record audio thoughts when typing is too slow.
• Goals & checklists — track what matters and tick things off.

PRIVATE BY DESIGN
• 100% offline. The app has no internet access at all.
• Your data lives only on your device, in a private local database.
• Lock the app with a PIN or your fingerprint/face.
• Optional encrypted backups, protected by your PIN.

SIMPLE & FAST
• Clean, distraction-free design.
• Instant search across everything you've saved.
• Works fully offline, anywhere — on a plane, off the grid, always.

Mindstack is for anyone who wants a trustworthy, private home for their thoughts without ads, tracking, or accounts. Install it, and start building your second brain today.