What are the key differences between SiYuan and Day One?

Compare SiYuan and Day One side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are SiYuan and Day One scored?

SiYuan has an AI score of 7.1/10 and Day One has an AI score of 9.2/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

SiYuan vs Day One 2026 - Compared

SiYuan

Day One

WINNER Day One

Day One edges ahead with a score of 9.2/10 compared to 7.1/10 for SiYuan. While both are highly rated in their respectiv...

SiYuan

7.44 Good

Knowledge Management Get SiYuan open_in_new

emoji_events WINNER

Day One

8.58 Great

Knowledge Management Get Day One open_in_new

SiYuan Free plan available

payments

Day One From $4.99/mo or $39.99/yr for premium Free plan available

psychology AI Verdict

Day One edges ahead with a score of 9.2/10 compared to 7.1/10 for SiYuan. While both are highly rated in their respective fields, Day One demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Day One

verified Confidence: Low

Ready to decide? Get Day One arrow_forward

description Overview

SiYuan

SiYuan is a powerful, open-source personal knowledge management system with a block-based editor and an outliner. Data is stored locally in SQLite, ensuring privacy and performance. It features bidirectional linking, graph view, and supports Android. It's a strong choice for users seeking a free, privacy-focused, and feature-rich Notion-like experience with offline capability. Development is commu...

Day One

Day One remains the gold standard for digital journaling, renowned for its elegant design and robust feature set. It seamlessly blends text, photos, audio, and video, creating rich and immersive journal entries. Its focus on privacy, with local storage options and end-to-end encryption, appeals to users concerned about data security. The timeline view provides a beautiful overview of your life's j...