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Apprise vs Apprise API: catalog facts
Apprise	Apprise API
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source with no paid tier.
Windows, macOS, Linux, Command line	Linux, Self-hosted
Provides a shared interface for different notification backends.	Language-agnostic notifications over a REST API Runs as a Docker container
Each destination still needs its own service configuration.	You host and maintain the server yourself Needs another tool or script to send it messages
Downloadable app	Self-hosted
Open source	Open source
License: BSD-2-Clause	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.