Mentarapp
Your Offline Second Brain
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Your personal second brain — now with AI-powered note scanning and deep thinking.
Mentara is your personal second brain for capturing, connecting, and understanding your ideas.
KEY FEATURES:
- Private by Design
Your notes are stored locally on your device. No accounts required, no cloud sync, no tracking. Your thoughts stay private.
- AI-Powered Note Scanning
Capture handwritten notes, documents, or whiteboards with your camera. AI extracts and formats the text instantly.
- Deep Thinking AI
Let AI analyze your notes in depth to uncover insights, connections, and new ideas you might have missed.
- Connect Your Thoughts
Link notes together with [[wiki-links]] to build a personal knowledge web that grows with you.
- Smart Organization
Use folders, #tags, and powerful search to keep everything organized and easy to find.
- Swipe Actions
Pin, archive, or delete notes with intuitive swipe gestures.
- Beautiful Customization
Choose from stunning gradient backgrounds for your notes and switch between light and dark themes.
- Optional PIN Protection
Add an extra layer of security with a customizable PIN lock.
- Export Your Data
Export all your notes to PDF or CSV anytime. Your data, your control.
- Available in 3 Languages
Full support for English, Spanish, and French.
Note: AI features (Note Scanning and Deep Thinking) require an internet connection and an OpenAI API key, configurable in Settings. All core note-taking features work fully offline.
Mentara is perfect for journaling, brainstorming, studying, or building your personal knowledge base.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
NEW IN 1.3.0:
- AI Note Scanner: Capture handwritten notes, documents, and whiteboards with your camera. Choose between bullet points, paragraphs, or structured formats.
- Deep Thinking: Let AI analyze your notes in depth and generate insights, connections, questions to explore, and action items.
- Full localization in English, Spanish, and French.
- UI improvements: better button layouts, refined margins, and smoother animations across all screens.
- Bug fixes and performance improvements.
The developer, Adrian Serrano Mota, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Adrian Serrano Mota
- Size
- 35.3 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, French, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Syntalys Tech