GlassWire vs OPNsense
A detailed comparison to help you choose between GlassWire and OPNsense.
GlassWire Network monitoring and firewall with visual interface. | OPNsense Open-source firewall with modern web UI and plugin system. | |
|---|---|---|
| Rating | 4.4 (404 reviews) | 4.6 (398 reviews) |
| Pricing Model | freemium | free |
| Starting Price | From $0/mo | Free |
| Best For | Best for users wanting network-level firewall protection | Best for users wanting network-level firewall protection |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
GlassWire
Pros
- + Clear traffic graphs, usage tables, and Geo Map
- + Uses Windows Firewall API for blocking
- + Ask-to-Connect mode for per-connection approval
- + Network Scanner flags new devices on your LAN
- + Free tier available; paid Premium removes limitations
Cons
- - No macOS or iOS support
- - Some key controls are Premium-only
- - Can require networking knowledge to interpret data
- - No publicly evidenced independent security audit
OPNsense
Pros
- + Supports IPsec, OpenVPN, and WireGuard
- + Free Community Edition available
- + Open source under 2-Clause BSD license
- + Multi-WAN load balancing and failover support
- + Plugin ecosystem plus API availability
- + Optional Business Edition with conservative updates
Cons
- - Throughput drops with VPN plus IDS/IPS enabled
- - Business Edition license is per installation
- - Requires real networking knowledge to run well
- - No clear general refund window stated publicly
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