# Egress Defend vs Hiya Spam Blocker: side-by-side comparison (2026)

[Egress Defend](https://cybersectools.com/tools/egress-defend) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). [Hiya Spam Blocker](https://cybersectools.com/tools/hiya-spam-blocker) is a free [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [Hiya](https://cybersectools.com/companies/hiya). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Egress Defend | Hiya Spam Blocker |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Anti-Phishing | Anti-Phishing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB |
| Company | KnowBe4 | Hiya |
| Headquarters | – | – |

### Use cases and capabilities

| | Egress Defend | Hiya Spam Blocker |
|---|---|---|
| Microsoft 365 | Yes | – |
| Natural Language Processing | Yes | – |
| Deepfake Detection | – | Yes |
| Fraud Detection | – | Yes |
| Spoofing | – | Yes |
| Anomaly Detection | – | Yes |
| iOS | – | Yes |
| Android Security | – | Yes |
| Generative AI | – | Yes |
| Social Engineering | – | Yes |
| Threat Analysis | – | Yes |

### Core features

**Egress Defend**

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

**Hiya Spam Blocker**

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

### Integrations

**Egress Defend**

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

**Hiya Spam Blocker**

No integrations listed.

## Which one fits you

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

- [Egress Defend](https://cybersectools.com/tools/egress-defend) fits if you are a mid-market company or an enterprise.
- [Hiya Spam Blocker](https://cybersectools.com/tools/hiya-spam-blocker) fits if you are a startup and you need a free product.

## Egress Defend vs Hiya Spam Blocker FAQ

Common questions when comparing Egress Defend vs Hiya Spam Blocker for Anti-Phishing.

### What is the difference between Egress Defend and Hiya Spam Blocker?

**Egress Defend**: AI-powered anti-phishing solution for Microsoft 365 with behavioral detection, built by KnowBe4.

**Hiya Spam Blocker**: Mobile app that blocks spam/fraud calls and detects AI-generated deepfake voices, built by Hiya.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Egress Defend and Hiya Spam Blocker?

**Egress Defend** is made by KnowBe4. **Hiya Spam Blocker** is made by Hiya. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Egress Defend a good alternative to Hiya Spam Blocker?

Often, yes. Egress Defend and Hiya Spam Blocker are both Anti-Phishing products. Key differences: Egress Defend is Commercial while Hiya Spam Blocker is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Egress Defend vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/egress-defend-vs-phriendly-phishing-phish-focus)
- [Egress Defend vs PhishFirewall PhishEQ](https://cybersectools.com/compare/egress-defend-vs-phishfirewall-phisheq)
- [Egress Defend vs Vade for M365](https://cybersectools.com/compare/egress-defend-vs-vade-for-m365)
- [Hiya Spam Blocker vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/hiya-spam-blocker-vs-phriendly-phishing-phish-focus)
- [Hiya Spam Blocker vs PhishFirewall PhishEQ](https://cybersectools.com/compare/hiya-spam-blocker-vs-phishfirewall-phisheq)
- [Hiya Spam Blocker vs Vade for M365](https://cybersectools.com/compare/hiya-spam-blocker-vs-vade-for-m365)

## Alternatives to each

- [See all Egress Defend alternatives](https://cybersectools.com/alternatives/egress-defend)
- [See all Hiya Spam Blocker alternatives](https://cybersectools.com/alternatives/hiya-spam-blocker)

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Source: https://cybersectools.com/compare/egress-defend-vs-hiya-spam-blocker

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

More on Egress Defend and Hiya Spam Blocker: 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