Ai Diary: Know Yourself

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Everyone
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Everyone
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About this app

AI Diary is your private space to write, reflect, and better understand yourself—one entry at a time. Capture your thoughts, track your mood, and chat with an AI companion that helps you reflect on your daily experiences.

WRITE FREELY

Record your thoughts, feelings, ideas, and everyday moments in a clean, distraction-free journal. Add a mood to each entry and build a personal record of your journey over time.

CHAT WITH YOUR AI COMPANION

Talk with an AI companion whenever you want to reflect on your day, organize your thoughts, or simply have a meaningful conversation. Your chats are private and designed to support your self-reflection.

TRACK YOUR JOURNEY

Stay motivated by tracking your journaling activity with writing streaks, longest streaks, and mood trends. Look back on your entries to discover patterns and reflect on your progress over time.

PRIVATE BY DESIGN

Your journal entries and AI conversations are visible only to you. We use industry-standard security measures to help protect your data, and we never sell or share your personal information with third parties for advertising or marketing.

YOUR DATA, YOUR CONTROL

Sign in with Google or your phone number to access your journal. Edit or delete your entries whenever you want, and permanently delete your account and associated data directly from the app whenever you choose.

WHY YOU'LL LOVE AI DIARY

• Write daily journal entries with ease
• Chat with an AI companion for thoughtful conversations
• Track your mood and journaling habits over time
• View your current and longest writing streaks
• Keep your personal thoughts private and secure
• Manage or permanently delete your data whenever you choose

Start your journaling journey today with AI Diary—a private space to write, reflect, and better understand yourself.
Private AI diary to reflect, track your mood, and know yourself.
Updated on
Aug 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and App activity
  • Data is encrypted in transit
  • You can request that data be deleted
  • Committed to follow the Play Families Policy

What’s new

This is first official release with initial features