MuMu Journal

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In-app purchases

About this app

MuMu Journal — Your Private Encrypted Diary

Keeping a diary is time you spend with yourself. MuMu Journal gives you a safe, private, and simple space to record every day of your life.

[Military-Grade Encryption]
Your diary is protected by AES-256-GCM encryption. All data is stored locally on your device — nothing is uploaded to any cloud server. Even if your phone is lost, your diary cannot be accessed without your password.

[Double Protection]
Supports both password login and fingerprint unlock for convenience without compromising security. You can also set a separate encryption password for individual diary entries, adding a second layer of protection for your most private moments.

[Rich Media Recording]
Go beyond words — insert photos, audio files, or record voice memos directly. Add weather, mood, location, and highlight tags to make every entry vivid and meaningful.

[Powerful Text Editing]
Format your diary with bold, italic, underline, text color, and font size options. Supports paragraph alignment, indentation, and ordered/unordered lists for beautiful, well-organized entries.

[Global Search]
Search all diary entries by keyword, or filter by date, weather, or mood. Even encrypted diaries can be found by date and tag.

[Backup & Restore]
Export all your diaries and media files as a backup. Restore anytime — switch phones without losing a single entry.

[Recycle Bin]
Deleted entries are kept in the recycle bin for 30 days, so accidental deletions can always be recovered.

[Auto-Lock]
Set an inactivity timer to automatically lock the app, protecting your privacy when you step away.

[Calendar View]
Browse your diary history in a monthly calendar view. Green dates have regular entries; amber dates have encrypted ones — see your story at a glance.

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[Free Features]
✓ Password & fingerprint login
✓ Basic text formatting (bold / italic / underline / color / font size)
✓ Delete & search entries
✓ Calendar view
✓ Recycle bin

[Pro Features — One-time purchase, lifetime access]
✓ Weather, mood, location & highlight tags
✓ Per-entry secondary encryption
✓ Insert photos, audio & voice recordings
✓ Advanced formatting (indent / align / lists)
✓ Export & import backup
✓ Auto-lock
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For questions or feedback, please use the "Contact Developer" option in the app. We respond within 15 business days.

What’s new

Initial release. Thank you for trying it out ✨

🔒 Encrypted diary with fully local storage — no ads, no tracking
📝 Rich text editor with images, voice recordings, and music
👆 App login with password or fingerprint
🔐 Independent encryption for individual entries, dual-password protection
💾 Full backup and restore — your data always stays with you
🌤️ Capture weather, mood, location, and more