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Fing vs WatchYourLAN: catalog facts
Fing	WatchYourLAN
Freemium A free version is available. Fing Premium is a paid subscription.	Free Free to run yourself, with the source published on GitHub.
Windows, macOS, Linux, Android, iOS	Linux, Self-hosted
Device identification is unusually accurate for a consumer scanner Alerts when a new device joins the network	Notifications when an unknown device joins the network Online and offline history for each host
Advanced features and history require a paid subscription Closed source, and device identification relies on their cloud database	Covers the local network only Needs a machine that stays on to keep watching
Downloadable app	Self-hosted
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	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.