2025-08-04 00:00:00 My Diary: Journal, Notes & Mood Tracker Best Free Diary App for writing personal journal entries, tracking your mood, taking daily notes, and storing memories — all in one secure and private diary. ✨ My Diary is a beautifully designed digital journal and daily mood tracker app where you can easily write diary entries, save thoughts, track emotions, and protect your private life with a PIN lock and data encryption. Use it as a gratitude journal, daily planner, note-taking app, or simply as your personal safe space.