InSAT Security Inbox is a commercial anti-phishing solution by Innvikta. Phishing Catcher is a free anti-phishing solution. Features, integrations, deployment and the company behind each one, side by side.
Centralized platform for reporting, analyzing, and responding to email threats
Catch possible phishing domains in near real time by looking for suspicious TLS certificate issuances reported to the Certificate Transparency Log (CTL) via the CertStream API.
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Based on what each listing shows: deployment, company size, price and open source.
InSAT Security Inbox fits if you want a cloud product.
Phishing Catcher fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing InSAT Security Inbox vs Phishing Catcher for anti-phishing.
InSAT Security Inbox: Centralized platform for reporting, analyzing, and responding to email threats. Built by Innvikta.
Phishing Catcher: Catch possible phishing domains in near real time by looking for suspicious TLS certificate issuances reported to the Certificate Transparency Log (CTL) via the CertStream API.
The table above shows where their features, integrations, deployment and company size fit differ.
InSAT Security Inbox is made by Innvikta. Phishing Catcher is open-source with 1,757 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. InSAT Security Inbox and Phishing Catcher are both Anti-Phishing products. Key differences: InSAT Security Inbox is Commercial while Phishing Catcher is Free, Phishing Catcher is open-source. Use the table above to see where features, deployment and company size fit differ.
No Anti-Phishing shortlist yet. This is the closest one.
Updated 2026-11-02
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