Pricing - Obsidian Obsidian is free and 100% user-supported Obsidian is a private and secure space for your thoughts You can use our apps without sharing any personal information, and your data is stored locally on your device, making it inaccessible to us Additionally, our apps do not collect telemetry data, and we never sell user data If you choose to use Obsidian Sync, your data is secured with AES‑256