Endian 4i vs FreeWave Zentry: Side-by-Side Comparison (2026)

Endian 4i: Industrial security gateway for OT environments with ruggedized hardware. built by Endian. Core capabilities include Ruggedized hardware with DIN rail support for industrial environments, Extended temperature range operation (-20°C to +60°C), Cellular and WiFi connectivity with 4G and 5G support..

FreeWave Zentry: OT-focused operational zero trust platform for secure field device access. built by FreeWave Technologies. Core capabilities include Operational zero trust enforcement for OT/ICS networks, Secure remote access to field devices without traditional VPN, Device identity and access policy management..

Both serve the Industrial Control System Security market but differ in approach, feature depth, and target audience.

Endian 4i differentiates with Ruggedized hardware with DIN rail support for industrial environments, Extended temperature range operation (-20°C to +60°C), Cellular and WiFi connectivity with 4G and 5G support. FreeWave Zentry differentiates with Operational zero trust enforcement for OT/ICS networks, Secure remote access to field devices without traditional VPN, Device identity and access policy management.

Endian 4i is developed by Endian. FreeWave Zentry is developed by FreeWave Technologies founded in 1993-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Endian 4i and FreeWave Zentry serve similar Industrial Control System Security use cases: both are Industrial Control System Security tools, both cover IOT Security, SCADA. Review the feature comparison above to determine which fits your requirements.