Content rating
Everyone 10+
100+
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Content rating
Everyone 10+
Users Interact
Learn more
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About this app

Build a knowledge tree that organizes itself.

Linko helps you turn what you read and think into a growing knowledge system — so your ideas don’t get lost in scattered notes.

Perfect for: learners, readers, students, researchers, and creators

Capture your thinking
• Jot ideas, questions, and reflections on mobile or web
• Save books, articles, videos, and podcasts alongside your own thoughts

Auto-organize (no folders)
• AI tags your notes so related ideas naturally group together
• Focus on thinking, not filing

Discover connections automatically
• Related notes resurface when you need them
• Connect insights across time and sources

Review and learn faster
• Knowledge tree visualization shows what you’ve learned — and what’s missing
• AI summaries and Q&A based on your saved content

Available on mobile + web (with browser extension).

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More

Private by default
• Encrypted private notes for your sensitive thoughts
• Your data stays under your control

Flexible writing
• Markdown support for structured notes
• Custom tags for personalized organization

AI-powered learning
• Smart Q&A grounded in your own knowledge base
• Intelligent summaries across notes and resources

Cross-platform
• iOS app, web app, and browser extension
• Seamless sync across all your devices
Updated on
May 17, 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, Photos and videos, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

Improvements
• Note-to-note linking is here! You can now easily link related notes together, creating a powerful web of your own knowledge.
• A single note can now reference multiple resources, making it easier to capture broader context.
• Seamlessly save content to Linko directly from other apps on your Android device.

Bug Fixes
• Fixed missing revisit notifications and improved notification navigation.
• Made resource link parsing more reliable when facing network blockers.
Content rating
Everyone 10+
Users Interact
Learn more

App support

Phone number
+18482529753
About the developer
LINKO INC
silvia@linko.study
22 Stony Rd Edison, NJ 08817-3760 United States
+1 848-252-9753