ZenDiary

The Mind, Decoded
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Featured in Dainik Bhaskar

The Mind, Decoded

Transform mental chaos into clarity with AI-powered journaling. ZenDiary helps you understand your thoughts, track your emotions, and grow as a person — all while keeping your data completely private.

25K+Users
4.8Rating
300+Reviews
100,000+journal entries written by users

Our Manifesto

ARTICLE I

Your thoughts are sacred

We will never read, sell, or analyze your entries for ads. Your thoughts are encrypted locally on your device. We cannot read them.

ARTICLE II

Clarity is a right, not a privilege

Core mental wellness tools will always remain free. No ads, ever. We never sell your data to advertisers.

Features

Zeni AI Companion

Your AI assistant that analyzes entries for cognitive patterns, offers thought reframing for negative thoughts, and remembers your journey to provide personalized insights.

Unlimited Journaling

Write unlimited journal entries with photo attachments. Personalize with stickers and themes. Navigate through your memories with date-based browsing.

Mood Tracking & Emotional Pulse

Automatic mood detection from your writing. Real-time emotional pulse visualization, mood predictions, trend analysis, and visual mood statistics with word clouds.

Pattern Recognition & Stress Radar

Uncover emotional patterns you might miss. Relationship AI insights show who energizes vs. drains you. Identify triggers and understand your cognitive patterns.

Haptic Breathing & Wellness Tools

Physical grounding with haptic breathing exercises synced to your phone. Daily writing prompts tailored to your mood and history. Clean, distraction-free writing interface.

Bank-Grade Privacy

AES-256 encryption with local-first storage. Your thoughts are encrypted locally — we cannot read them. PIN lock protection. Optional cloud backup to Google Drive or iCloud.

User Satisfaction

94%
No Ads
91%
Privacy-Focused
88%
Design Quality
86%
AI Helpfulness

What Users Say

"I discovered relationship patterns through journaling that improved my partner dynamics."

— User from Mumbai

"The app helped reframe my catastrophic thinking during placement season. I got my dream job."

— User from Delhi

"It's like talking to a wise friend. I can write my fears without judgment. So therapeutic."

— User from Pune

"147-day journaling streak and counting. This app helped me build a life-changing habit."

— User from Bangalore

Pricing

Free Forever

$0
  • Unlimited journaling
  • Photo attachments
  • Basic mood tracking
  • Secure local storage
  • Daily prompts

ZenDiary+

Premium
$50/year
  • Everything in Free
  • Deep AI analysis
  • Unlimited Zeni conversations
  • Pattern recognition & stress analysis
  • Cloud sync & backup
  • Monthly digests

About the Developer

ZenDiary is built by Pulkit Aggarwal, a student developer from India. Built originally for personal use due to anxiety issues, then shared with the world.

"I didn't build this to exit. I built this to exist."— Pulkit

Start Your Journey

Join 25,000+ users finding clarity through AI-powered journaling.

Visit ZenDiary.in

ZenDiary is a self-reflection tool and is not intended to replace professional mental health care.

Have questions about ZenDiary? Feel free to reach out for support or collaboration.

Get in touch