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Zenarmor vs FlashStart: catalog facts
Zenarmor	FlashStart
Freemium Free to start, with paid plans for business features.	Paid Paid licences with a free trial; prices are given on request.
Linux, Self-hosted	Web
Web and application filtering on your own gateway Runs on a gateway, in the cloud or on an endpoint	Category, user, device and schedule-based content filtering Malware and phishing blocking at the DNS level
Closed source Marketing and higher tiers are aimed at businesses	Pricing is not published on the homepage Aimed mainly at businesses, ISPs and organisations
Self-hosted, Hosted service	Hosted service
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
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.