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

[Graphus](https://cybersectools.com/tools/graphus) is a commercial [Anti-Phishing](https://cybersectools.com/categories/anti-phishing) solution by [Graphus](https://cybersectools.com/companies/graphus). [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

| | Graphus | 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 | Graphus | Hiya |
| Headquarters | – | – |

### Use cases and capabilities

| | Graphus | Hiya Spam Blocker |
|---|---|---|
| Spam Prevention | Yes | – |
| DMARC | Yes | – |
| Fraud Detection | Yes | Yes |
| Deepfake Detection | – | Yes |
| Spoofing | – | Yes |
| Anomaly Detection | – | Yes |
| iOS | – | Yes |
| Android Security | – | Yes |
| Generative AI | – | Yes |
| Social Engineering | – | Yes |
| Threat Analysis | – | Yes |

### Core features

**Graphus**

6 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

**Graphus**

4 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.

- [Graphus](https://cybersectools.com/tools/graphus) 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.

## Graphus vs Hiya Spam Blocker FAQ

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

### What is the difference between Graphus and Hiya Spam Blocker?

**Graphus**: Cloud email security platform focused on anti-phishing protection for orgs, built by Graphus.

**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 Graphus and Hiya Spam Blocker?

**Graphus** is made by Graphus. **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 Graphus a good alternative to Hiya Spam Blocker?

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

## Related comparisons

- [Graphus vs Frame Security Phishing Triage](https://cybersectools.com/compare/frame-security-phishing-triage-vs-graphus)
- [Graphus vs Vade for M365](https://cybersectools.com/compare/graphus-vs-vade-for-m365)
- [Graphus vs Threatcop DMARC](https://cybersectools.com/compare/graphus-vs-threatcop-dmarc)
- [Hiya Spam Blocker vs Frame Security Phishing Triage](https://cybersectools.com/compare/frame-security-phishing-triage-vs-hiya-spam-blocker)
- [Hiya Spam Blocker vs Vade for M365](https://cybersectools.com/compare/hiya-spam-blocker-vs-vade-for-m365)
- [Hiya Spam Blocker vs Threatcop DMARC](https://cybersectools.com/compare/hiya-spam-blocker-vs-threatcop-dmarc)

## Alternatives to each

- [See all Graphus alternatives](https://cybersectools.com/alternatives/graphus)
- [See all Hiya Spam Blocker alternatives](https://cybersectools.com/alternatives/hiya-spam-blocker)

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Source: https://cybersectools.com/compare/graphus-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/graphus.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Graphus 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