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Fing vs arp-scan: catalog facts
Fing	arp-scan
Freemium A free version is available. Fing Premium is a paid subscription.	Free Free to download and use, with the source published on GitHub.
Windows, macOS, Linux, Android, iOS	Linux, Command line
Device identification is unusually accurate for a consumer scanner Alerts when a new device joins the network	Finds devices that do not answer ping Shows MAC address vendors
Advanced features and history require a paid subscription Closed source, and device identification relies on their cloud database	Works only on the local network segment Command line only, usually needs root
Downloadable app	Downloadable app
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.