# Castle Device Intelligence vs DataDome Ad Protect: side-by-side comparison (2026)

[Castle Device Intelligence](https://cybersectools.com/tools/castle-device-intelligence) is a commercial [fraud & account takeover prevention](https://cybersectools.com/categories/fraud-ato-prevention) solution by [Castle](https://cybersectools.com/companies/castle). [DataDome Ad Protect](https://cybersectools.com/tools/datadome-ad-protect) is a commercial [bot management & CAPTCHA](https://cybersectools.com/categories/bot-management-captcha) solution by [DataDome](https://cybersectools.com/companies/datadome). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Castle Device Intelligence | DataDome Ad Protect |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Fraud & Account Takeover Prevention | Bot Management & CAPTCHA |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Castle | DataDome |
| Headquarters | – | – |

### Use cases and capabilities

| | Castle Device Intelligence | DataDome Ad Protect |
|---|---|---|
| Fingerprinting | Yes | – |
| Bot Protection | Yes | Yes |
| Browser Security | Yes | Yes |
| Traffic Filtering | – | Yes |

### Core features

**Castle Device Intelligence**

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

**DataDome Ad Protect**

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

## Castle Device Intelligence vs DataDome Ad Protect FAQ

Common questions when comparing Castle Device Intelligence vs DataDome Ad Protect for fraud & account takeover prevention.

### What is the difference between Castle Device Intelligence and DataDome Ad Protect?

**Castle Device Intelligence**: Device fingerprinting and intelligence for account security and fraud detection. Built by Castle.

**DataDome Ad Protect**: ML-based click fraud & bot detection tool to protect ad spend. Built by DataDome.

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

### Who makes Castle Device Intelligence and DataDome Ad Protect?

**Castle Device Intelligence** is made by Castle. **DataDome Ad Protect** is made by DataDome. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Castle Device Intelligence a good alternative to DataDome Ad Protect?

In part. Castle Device Intelligence and DataDome Ad Protect are not in the same category on CybersecTools. Both cover Bot Protection, Browser Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Castle Device Intelligence vs Callsign Device Fingerprinting](https://cybersectools.com/compare/callsign-device-fingerprinting-vs-castle-device-intelligence)
- [Castle Device Intelligence vs IPQualityScore Device Fingerprinting](https://cybersectools.com/compare/castle-device-intelligence-vs-ipqualityscore-device-fingerprinting)
- [Castle Device Intelligence vs DataDome Account Protect](https://cybersectools.com/compare/castle-device-intelligence-vs-datadome-account-protect)
- [DataDome Ad Protect vs Callsign Device Fingerprinting](https://cybersectools.com/compare/callsign-device-fingerprinting-vs-datadome-ad-protect)
- [DataDome Ad Protect vs IPQualityScore Device Fingerprinting](https://cybersectools.com/compare/datadome-ad-protect-vs-ipqualityscore-device-fingerprinting)
- [DataDome Ad Protect vs DataDome Account Protect](https://cybersectools.com/compare/datadome-account-protect-vs-datadome-ad-protect)

## Alternatives to each

- [See all Castle Device Intelligence alternatives](https://cybersectools.com/alternatives/castle-device-intelligence)
- [See all DataDome Ad Protect alternatives](https://cybersectools.com/alternatives/datadome-ad-protect)

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Source: https://cybersectools.com/compare/castle-device-intelligence-vs-datadome-ad-protect

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

More on Castle Device Intelligence and DataDome Ad Protect: 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