# InSAT Security Inbox vs Phishing Catcher: side-by-side comparison (2026)

[InSAT Security Inbox](https://cybersectools.com/tools/insat-security-inbox) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [Innvikta](https://cybersectools.com/companies/innvikta). [Phishing Catcher](https://cybersectools.com/tools/phishing-catcher) is a free [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | InSAT Security Inbox | Phishing Catcher |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Anti-Phishing | Anti-Phishing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 1,757 |
| Last commit | – | Dec 2020 |
| Company | Innvikta | – |
| Headquarters | – | – |

### Use cases and capabilities

| | InSAT Security Inbox | Phishing Catcher |
|---|---|---|
| Threat Analysis | Yes | – |
| Threat Management | Yes | – |
| TLS | – | Yes |

### Core features

**InSAT Security Inbox**

8 features listed. Sign in on the page to see them.

**Phishing Catcher**

No features listed.

### Integrations

**InSAT Security Inbox**

4 integrations listed. Sign in on the page to see them.

**Phishing Catcher**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [InSAT Security Inbox](https://cybersectools.com/tools/insat-security-inbox) fits if you want a cloud product.
- [Phishing Catcher](https://cybersectools.com/tools/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.

## InSAT Security Inbox vs Phishing Catcher FAQ

Common questions when comparing InSAT Security Inbox vs Phishing Catcher for anti-phishing.

### What is the difference between InSAT Security Inbox and Phishing Catcher?

**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.

### Who makes InSAT Security Inbox and Phishing Catcher?

**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.

### Is InSAT Security Inbox a good alternative to Phishing Catcher?

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.

## Related comparisons

- [InSAT Security Inbox vs Threat Management](https://cybersectools.com/compare/insat-security-inbox-vs-threat-management)
- [InSAT Security Inbox vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/insat-security-inbox-vs-phriendly-phishing-phish-focus)
- [InSAT Security Inbox vs Frame Security Phishing Triage](https://cybersectools.com/compare/frame-security-phishing-triage-vs-insat-security-inbox)
- [Phishing Catcher vs Threat Management](https://cybersectools.com/compare/phishing-catcher-vs-threat-management)
- [Phishing Catcher vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/phishing-catcher-vs-phriendly-phishing-phish-focus)
- [Phishing Catcher vs Frame Security Phishing Triage](https://cybersectools.com/compare/frame-security-phishing-triage-vs-phishing-catcher)

## Alternatives to each

- [See all InSAT Security Inbox alternatives](https://cybersectools.com/alternatives/insat-security-inbox)
- [See all Phishing Catcher alternatives](https://cybersectools.com/alternatives/phishing-catcher)

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Source: https://cybersectools.com/compare/insat-security-inbox-vs-phishing-catcher

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/insat-security-inbox.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on InSAT Security Inbox and Phishing Catcher: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md