Logseq vs SiYuan: Features, Pricing and User Reviews 2026
SiYuan
Privacy-First Open Source Note-Taking and Knowledge Management
SiYuan
Privacy-First Open Source Note-Taking and Knowledge Management
What are Logseq and SiYuan?
Logseq is an open-source note-taking tool that helps you capture and connect your thoughts. Everything you write is stored as plain text files on your device, giving you complete control over your data. You never have to worry about a company shutting down or changing their prices because your files belong to you.
The app works with a daily journal where you can write notes, create tasks, and link ideas together. When you link notes, Logseq shows you all the connections, helping you see relationships between different topics. This creates a graph of your knowledge that grows over time.
You can use it on Windows, Mac, Linux, iPhone, and Android. The basic app is free forever, with optional paid sync to keep your notes updated across devices.
SiYuan is a personal knowledge management system that treats every piece of content as a block. These blocks can be linked, referenced, and organized in multiple ways. Unlike traditional note-taking apps, SiYuan gives you complete control by storing everything locally on your device.
The tool uses a block-based approach where even whole documents are treated as blocks. This makes it easy to split, move, and connect information without breaking existing links. You can create bidirectional links between ideas, use outlines to organize thoughts, and view your knowledge as a graph.
It includes features like mathematical formulas, charts, flashcards for learning, and database views. The app is self-hosted, meaning you own your data completely.
Features of Logseq and SiYuan
Daily journaling with automatic date organization
Linked notes and bidirectional backlinks
Visual graph view of note connections
Block-level linking and embedding
Built-in task management with scheduling
PDF annotation and highlighting
Whiteboard canvas for visual thinking
Flashcard creation for studying
150+ community plugins available
Local-first storage with full privacy
Markdown and Org-mode support
Sync across devices (beta)
Privacy-first with complete offline use
Block-level references and bidirectional links
Markdown editor with visual formatting
End-to-end encrypted sync
Spaced repetition flashcards
Database views with relations
Self-hosted deployment option
Multiple device support
Mathematical formulas and charts
Open source and free for local use
Graph view of knowledge connections
Use Cases of Logseq and SiYuan
Pricing of Logseq and SiYuan
Logseq is completely free to use. You can download it and access all features without paying anything. The app is open-source, meaning the code is public and anyone can review it or contribute to its development.
For users who want to sync their notes across multiple devices, Logseq offers a beta sync service through their Open Collective support program. By becoming a monthly supporter with a $5 or $15 donation, you get early access to Logseq Sync, which keeps your notes updated in real-time across all your devices.
The sync service is still in beta testing, so the team is working to make it more stable. Once it launches to everyone, a regular subscription system will be available. Supporting Logseq also helps fund development and keeps the project growing with new features.
SiYuan offers three pricing options designed to meet different user needs. The Free version gives you lifetime access to all core features for local use, including block editing, markdown support, and offline access. This makes SiYuan perfect for individual users who want complete control without any cost.
The PRO Features package costs $64 as a one-time lifetime payment (discounted from $96) and unlocks integration with third-party services like Amazon S3 and WebDAV for sync and backup.
The Subscription plan costs $148 lifetime (discounted from $296) and includes everything in PRO plus official cloud sync with 8GB storage space, cloud inbox for collecting ideas, and automatic backup. Limited seats are available for this plan.
All features for creating and managing notes locally remain free forever, even for commercial use.
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