# Arcjet vs Monarx Threat Shield: side-by-side comparison (2026)

[Arcjet](https://cybersectools.com/tools/arcjet) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Arcjet](https://cybersectools.com/companies/arcjet). [Monarx Threat Shield](https://cybersectools.com/tools/monarx-threat-shield) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Monarx](https://cybersectools.com/companies/monarx). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Arcjet | Monarx Threat Shield |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Runtime Application Self-Protection | Runtime Application Self-Protection |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Arcjet | Monarx |
| Headquarters | – | – |

### Use cases and capabilities

| | Arcjet | Monarx Threat Shield |
|---|---|---|
| Bot Protection | Yes | – |
| WAF | Yes | Yes |
| PII | Yes | – |
| OWASP | Yes | – |
| SQL Injection | – | Yes |
| PHP | – | Yes |
| DDoS | – | Yes |

### Core features

**Arcjet**

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

**Monarx Threat Shield**

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

### Integrations

**Arcjet**

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

**Monarx Threat Shield**

No integrations listed.

## Which one fits you

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

- [Arcjet](https://cybersectools.com/tools/arcjet) fits if you want a cloud product.
- [Monarx Threat Shield](https://cybersectools.com/tools/monarx-threat-shield) fits if you need to run it on your own servers.

## Arcjet vs Monarx Threat Shield FAQ

Common questions when comparing Arcjet vs Monarx Threat Shield for runtime application self-protection.

### What is the difference between Arcjet and Monarx Threat Shield?

**Arcjet**: Developer-first security SDK for bot detection, rate limiting, and attack protection. Built by Arcjet.

**Monarx Threat Shield**: Real-time web application firewall with runtime protection for PHP apps. Built by Monarx.

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

### Who makes Arcjet and Monarx Threat Shield?

**Arcjet** is made by Arcjet. **Monarx Threat Shield** is made by Monarx. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Arcjet a good alternative to Monarx Threat Shield?

Often, yes. Arcjet and Monarx Threat Shield are both Runtime Application Self-Protection products, and both cover WAF. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Arcjet vs Aikido Zen](https://cybersectools.com/compare/aikido-zen-vs-arcjet)
- [Arcjet vs Alma Platform](https://cybersectools.com/compare/alma-platform-vs-arcjet)
- [Arcjet vs c/side](https://cybersectools.com/compare/arcjet-vs-cside)
- [Monarx Threat Shield vs Aikido Zen](https://cybersectools.com/compare/aikido-zen-vs-monarx-threat-shield)
- [Monarx Threat Shield vs Alma Platform](https://cybersectools.com/compare/alma-platform-vs-monarx-threat-shield)
- [Monarx Threat Shield vs c/side](https://cybersectools.com/compare/cside-vs-monarx-threat-shield)

## Alternatives to each

- [See all Arcjet alternatives](https://cybersectools.com/alternatives/arcjet)
- [See all Monarx Threat Shield alternatives](https://cybersectools.com/alternatives/monarx-threat-shield)

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Source: https://cybersectools.com/compare/arcjet-vs-monarx-threat-shield

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More on Arcjet and Monarx Threat Shield: 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