Private Journal

C Quinn

In-app purchases

About this app

Your diary never has to leave your phone.

Private Journal is a beautifully simple diary that keeps your words exactly where they belong — on your device. Everything you write is encrypted and stored offline. No account. No cloud. No tracking. No ads.

TRUE PRIVACY BY DESIGN
• Entries encrypted with AES-256, unlocked only by your password
• Key derived with Argon2id — never uploaded, never stored anywhere else
• Fully offline: no servers, no sign-up, no analytics, nothing to leak
• Brute-force protection with automatic lockout

A PLEASURE TO WRITE IN
• Rich text entries with optional mood and weather tags
• Attach up to 9 photos per entry
• Record voice diary and background music
• Automatic drafts — never lose a word, even if the app closes

RELIVE YOUR STORY
• Calendar, timeline, and full-text search to find any memory in seconds
• Flashback: revisit entries from your past
• 7 achievements that celebrate your writing habit
• Your mood history at a glance

LOCKED AWAY FROM PRYING EYES
• Password lock with biometric unlock (fingerprint / face)
• Locks automatically when you leave the app

YOUR DATA, YOUR CONTROL
• One-file encrypted backups (.diaryvault)
• Export and restore anytime — your journal is portable, not trapped

FREE TO START
• Full 14-day free trial of every feature
• After the trial: keep 30 entries free, forever
• Unlock unlimited entries with a single one-time purchase — no subscription, ever

We promise: no ads, no subscriptions, no data collection. Your journal stays yours.

Available in English, 中文, Français, Deutsch, and 日本語.

Questions or feedback? Reach us at [e-mail]