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Ning vs DeviceShelf: catalog facts
Ning	DeviceShelf
Free Free and open source under the LGPL-3.0.	Paid One payment of 59 euros after a 7-day free trial, no subscription.
Android	Windows, macOS, Linux, Android, iOS, Self-hosted
Combines ping, ARP and service discovery TCP and UDP port scanning	One-time payment covers desktop, mobile and server editions No account and no telemetry
No saved scan history yet Android only	Paid after the 7-day trial Closed source
Downloadable app	Downloadable app, Self-hosted
Open source	Closed source
License: LGPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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