Hierarchical note-taking without limits
Flashcards in your notes
Then, choose to study your entire notebook, or focus your review on specific branches.
Cloud Sync (optional subscription)
Compatible with Android, iOS, Mac, Windows and Linux.
US$ 9.50 per year (US$ 0.80 per month)
Deeper Dive: The Science Behind HappyNote
HappyNote combines two proven learning methodologies that transform how you retain information:
Hierarchical Organization & Natural Thinking
Our tree structure mirrors how your brain naturally organizes information. Research in cognitive science shows that hierarchical organization:
- Improves information retrieval by 40% compared to linear notes
- Helps identify relationships between concepts more effectively
- Supports both big-picture thinking and detailed analysis
Spaced Repetition & Active Recall
Embedded flashcards use spaced repetition algorithms proven to:
- Increase long-term retention by up to 200%
- Reduce study time while improving results
- Move knowledge from short-term to long-term memory efficiently
Most learners juggle separate apps for notes and flashcards. Here's why that approach fails:
The Context Problem
When notes and flashcards live in different apps, you lose crucial context. HappyNote keeps everything together so you remember why you created each flashcard and how it connects to your broader understanding.
The Workflow Disruption
Switching between apps breaks your focus and adds unnecessary steps. Our integrated approach means you create flashcards while taking notes, when the context is freshest in your mind.
Comparison with Popular Alternatives
Vs. Evernote + Anki: No more manual copying between apps. Automatic synchronization between your notes and practice sessions.
Vs. Notion: Purpose-built for learning with built-in spaced repetition, not just organization.
Vs. Obsidian: Integrated flashcards without plugin complexity or setup hassle.
HappyNote excels in these specific learning situations:
Academic Studies
Break down complex subjects like biology, history, or programming into manageable hierarchies. Embed key term flashcards directly in your lecture notes.
Professional Development
Organize project documentation, research findings, or skill development. Create flashcards for important concepts, procedures, or technical terms.
Language Learning
Structure vocabulary by themes (food, travel, business) and embed pronunciation practice or grammar rules directly in context.
Research & Content Creation
Organize sources, quotes, and ideas hierarchically. Create flashcards to remember key statistics, citations, or conceptual frameworks.
Ready to transform your learning? Here's how to get the most from HappyNote:
Week 1: Foundation
Start with one subject. Create your main topics, then break them down into sub-topics. Don't worry about perfection - you can always reorganize.
Week 2: Active Learning
Begin adding flashcards to your most important notes. Focus on key concepts, definitions, and connections between ideas.
Week 3: Routine Building
Establish a daily review habit. Even 10 minutes with your flashcards dramatically improves retention.
Week 4: Mastery
Explore advanced features like focused branch studying and cross-notebook connections.
Pro Tip: Watch our video tutorials to see these techniques in action and master HappyNote faster.