# Obsidian Sync Official note synchronization service of [[Obsidian]]. It's a paid service. Currently (end 2024) costs $4 per month. Obsidian Sync works in the background and continuously synchronizes your notes across all connected devices. - It uses end-to-end encryption. Data is encrypted using AES-256 before being synchronized - Files are versioned. You can easily compare versions and go back in time if needed - You can work offline, and synchronization will occur once you come back online ## References - Official Website: https://obsidian.md/sync