Zenarmor vs Palo Alto NGFW

Zenarmor

zenarmor.com

Analyzed September 26, 2026

Depends

Confidence: Medium

Buy it if you already run OPNsense and want app-layer filtering; the free tier is genuinely good.

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Palo Alto NGFW

zenarmor.com

Starting report…

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Pick Zenarmor when

Existing OPNsense users
Homelabbers on the free tier
Small orgs replacing pricey commercial NGFWs
Schools and libraries (E-Rate context)

When Zenarmor is not a fit

Anyone not running OPNsense
Large enterprises needing a full SASE suite with SLAs
Homelabbers unwilling to pay for Home edition
Teams that need guaranteed vendor support

Sources

Zenarmor Free vs Home Editionszenarmor.com
official
The OPNsense Plugin You Must Install in 2025virtualizationhowto.com
review
OPNsense vendor docs: Zenarmor (Sensei)docs.opnsense.org
official
Zenarmor Home is expensive for a homelab (Reddit)reddit.com
review
Pricing: Am I missing something? (Reddit)reddit.com
review
Deep Disappointment with Zenarmor's Commitment (OPNsense forum)forum.opnsense.org
review
CVE-2025-14847 Mongo Database thread (OPNsense forum)forum.opnsense.org
security
Zenarmor wins 2026 SASE Product of the Yearfinance.yahoo.com
news
Crunchbase: Sunny Valley Networkscrunchbase.com
news
G2 reviews: Zenarmorg2.com
review