Nozomi Networks Nozomi Smart Polling is a commercial OT asset discovery solution by Nozomi Networks. s7scan is a free OT asset discovery solution. Features, integrations, deployment and the company behind each one, side by side.
Active polling add-on for OT/IoT asset discovery and configuration data
A tool for scanning networks, enumerating Siemens PLCs, and gathering detailed information about them.
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Based on what each listing shows: deployment, company size, price and open source.
s7scan fits if you need a free product and you want an open-source product.
Common questions when comparing Nozomi Networks Nozomi Smart Polling vs s7scan for OT asset discovery.
Nozomi Networks Nozomi Smart Polling: Active polling add-on for OT/IoT asset discovery and configuration data, built by Nozomi Networks.
s7scan: A tool for scanning networks, enumerating Siemens PLCs, and gathering detailed information about them.
The table above shows where their features, integrations, deployment and company size fit differ.
Nozomi Networks Nozomi Smart Polling is made by Nozomi Networks. s7scan is open-source with 150 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Nozomi Networks Nozomi Smart Polling and s7scan are both OT Asset Discovery products. Key differences: Nozomi Networks Nozomi Smart Polling is Commercial while s7scan is Free, s7scan is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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