Sync for Obsidian, solved.Setup once. Runs forever.

Conflict-free sync across every device.
Self-hosted on Cloudflare. Free, forever. No DevOps required.
Deploy to CloudflareView on GitHub

Works on every platform Obsidian does

Full deploy in 60 seconds. Literally.
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Frequently Asked Questions

Cloudflare's free tier covers 100,000 requests per day. For a personal vault syncing across a few devices, you will likely never exceed that. If you somehow do, you probably write enough to publish a series of novels.
Nothing. Your vault stays on your devices as normal local Markdown files. The Worker runs in your own Cloudflare account. YAOS has no central servers, no database we control, and no subscription to cancel.
Yes. YAOS syncs across Obsidian Desktop and Mobile. Changes made on your phone appear on your laptop in real time, and vice versa.
Yes! Text sync works instantly out-of-the-box. To sync heavy attachments and daily backups, you can link a free Cloudflare R2 bucket in about 60 seconds. Watch the R2 setup guide.
YAOS uses a zero-terminal GitOps update pipeline. After a one-time setup in YAOS settings, future updates are a single click in GitHub Actions - no terminal, no redeployment from scratch. See the changelog.