Endian 4i vs ModbusPal: side-by-side comparison (2026)
Endian 4i is a commercial industrial control system security solution by Endian. ModbusPal is a free industrial control system security solution. Features, integrations, deployment and the company behind each one, side by side.
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Industrial security gateway for OT environments with ruggedized hardware
Java MODBUS simulator with scriptable functions and dynamic resource creation.
Side-by-side comparison
Feature
Endian 4i
ModbusPal
Pricing model
Commercial
Free
Category
Industrial Control System Security
Industrial Control System Security
Deployment and fit
Deployment type
Hybrid
On-Premises
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market
Company
Company
Endian
–
Use cases and capabilities
IoT Security
Yes
No
SCADA
Yes
No
Gateway
Yes
No
Core features
10 features listed
10 features listed
Integrations
No integrations listed
2 integrations listed
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