Keep your diary, private notes, and to-do lists locked behind a PIN or password. Notes with Lock is a fully offline, no-login secure notepad — your thoughts stay on your device, never uploaded, never shared.
Protect every note with a PIN or password. Locked notes stay encrypted on your device — never uploaded, never shared. Hide sensitive notebooks in a private vault.
Write your secret diary, personal journal, or daily planner in a clean, distraction-free space to think, feel, and express — all completely private.
Turn any note into a to-do list instantly. Track daily tasks, shopping lists, habits, and work goals with simple checkboxes.
Share any note instantly as a text file with WhatsApp, Gmail, Telegram, and more. Export notes as TXT files and keep your data in your own hands.
Works without internet, always. No account required, no cloud sync, no data leaves your phone.
Set a secret recovery question when you lock a note, so you can regain access anytime without losing your memories.
Notes with Lock is built for anyone who wants a private place to write without a cloud account attached to it: a secret diary or personal journal, PIN-protected memos, locked to-do lists and daily planners, or a secure offline notepad you can set up in seconds without registration. Because notes are stored only on your device and nothing is uploaded, it also suits people who simply prefer not to hand their writing over to a third-party server.
The app's June 2026 update added in-note search, reading-time tracking, and quick scroll-to-top/bottom — small changes aimed at making it easier to manage a growing collection of locked notes over time.
Yes. It's free to download and use, and supported by ads — there's no subscription to lock notes.
Yes, fully offline. No internet connection, account, or sign-up is needed to create or lock notes.
You can set a secret recovery question when you first lock a note, so you can regain access later.
No. Per its Play Store data safety disclosure, Notes with Lock collects no data and shares no data with third parties.
Yes, any note can be exported or shared as a .txt file through apps like WhatsApp, Gmail, or Telegram.
Download Notes with Lock for a private diary, secure notepad, and locked to-do list — all in one free app.
Download on Google Play