Sync your Obsidian vaults across devices with Syncthing — no cloud, no subscription required. VaultSync connects your iPhone or iPad directly to your existing Syncthing setup and syncs your Obsidian vaults automatically. Your notes stay on your devices, always. HOW IT WORKS - Open VaultSync, connect your Syncthing device via QR code - Your Obsidian vaults are detected automatically - Files sync in seconds — Markdown is tiny CLOUD RELAY (OPTIONAL) Subscribe to Cloud Relay ($0.99/month) for instant push-based sync. When files change on your server, VaultSync wakes up immediately — no need to open the app first. Requires the free vaultsync-notify Docker container on your server. Without the subscription, simply open VaultSync before using Obsidian. Sync completes in seconds. PRIVACY FIRST - All files stay on your devices — peer-to-peer, no third-party cloud - No tracking, no analytics, no ads - Open source (MPL-2.0) — inspect the code on GitHub FEATURES - Automatic Obsidian vault detection - QR code scanner for easy device setup - Real-time sync status dashboard - Conflict detection with Markdown diff view - Background sync via iOS Background Tasks - Works over LAN and Internet (relay support) REQUIREMENTS - Syncthing v2 running on your desktop, server, or NAS - iOS 26 or later VaultSync is not affiliated with Obsidian or Syncthing. Privacy Policy: https://github.com/psimaker/vaultsync/blob/main/PRIVACY.md Terms of Use: https://github.com/psimaker/vaultsync/blob/main/TERMS.md