Documentation

Ntfyx, ntfy, Pushover and Bark: which fits your workflow?

Compare script notifications, phone replies, platforms and hosting. Includes Claude Remote Control, primary sources and Ntfyx’s current availability limits.

Updated 30 September 2026

Start with the job you need done

For a general notification service, compare ntfy, Pushover and Bark. For encrypted notifications plus a signed answer that a local script or supported agent can consume once, consider Ntfyx. For continuing an entire Claude session from another device, evaluate Claude Remote Control.

Platforms and integration

First choose by the devices you use and whether you want to operate a server. A hosted service and a self-hosted installation have different operational costs.

Tool	Integration and receivers	Hosting / availability
Ntfyx	macOS/Linux CLI, local MCP and supported agent hooks → iPhone and phone-authorized Web Inbox.	Hosted service; no supported self-host package. CLI available; public iPhone release pending.
ntfy	HTTP publish and subscriptions; Android, iOS and Web clients.	Open-source server; hosted ntfy.sh or self-hosting.
Pushover	HTTP API and existing integrations; Android, iOS and desktop browser clients.	Hosted service.
Bark	Custom push requests to an iPhone app.	Open-source app and self-hostable server.
Claude Remote Control	Continue a local Claude session from the Claude app or browser.	Requires eligible Claude sign-in and a running local process.

A button, a receipt and an approval have different meanings

A notification can be interactive without implementing the same execution contract. Check how your integration authenticates the response, binds it to the requested action, rejects expired answers and avoids duplicate effects.

Tool	Documented interaction	What to check in your workflow
Ntfyx	Allow / Deny, choices and text; signed and encrypted answers bound to a request. The source verifies and claims before continuing.	An Allow does not prove the external action completed. Retrying an uncertain action still needs application-level idempotency.
ntfy	Action buttons can open links, send HTTP requests, copy text or send Android broadcasts.	Action availability varies by client. Define authentication, request binding and retry behavior for your own HTTP action.
Pushover	Emergency-priority notifications support acknowledgment receipts and callbacks.	Acknowledgment confirms that receipt flow; define separately what an acknowledgment authorizes in your application.
Bark	The official project emphasizes custom iPhone notifications, grouping, sounds and encrypted push.	The reviewed documentation does not establish Ntfyx-style signed decisions and one-time claims.
Claude Remote Control	Remote interaction with an existing local Claude session, including mobile notifications.	Best evaluated as a session interface; Ntfyx’s additional sources include ordinary scripts and other agents.

Privacy is a separate decision

Ntfyx encrypts content at the sending endpoint for each receiver and signs the complete envelope. Its relay still sees routing IDs, timing, sizes and states. Bark also advertises encrypted push; encryption is not unique to Ntfyx. ntfy supports self-hosting, which lets you choose the server operator. For every product, evaluate the specific encryption mode, server access, endpoint trust and retention you configure.

HTTPS and self-hosting alone do not establish end-to-end content encryption.

Plans and limits

Check the current plan page before buying; prices, regional taxes and service limits can change. Self-hosting also requires your own infrastructure and maintenance.

Tool	Payment model / limit to check
Ntfyx	One active Topic free; Plus adds up to 20. Reference US prices: $0.99/month or $9.99 lifetime, pending App Store availability. Both plans share message and storage limits.
ntfy	Free hosted use and paid hosted plans; self-hosting available. Check the plan’s quotas.
Pushover	Individual use has a trial and a one-time purchase per platform; Teams is a separate monthly offering. API limits apply.
Bark	Official project describes the app as free; running your own server has an infrastructure cost.
Claude Remote Control	Requires an eligible Claude subscription. API keys and custom API endpoints are currently excluded.

Try the smallest useful workflow

If Ntfyx fits, start with a harmless notification and a Deny decision before attaching a real operation. You need a compatible iPhone build to pair. If you need an immediately available Android client or supported self-hosting, evaluate the alternatives above first.