NerdyData and Wappalyzer both help identify technologies used on websites. However, they serve different purposes and work in fundamentally different ways.
We've outlined the differences below to help you choose the data provider that works best for your needs.
Limited technology list downloads Plans cap how many technology lists you can download per month. | Unlimited technology list downloads No caps on how many reports or lists you can download. |
No API access or MCP support API access is not included. No MCP integration for AI workflows. | Pay-as-you-go API with free MCP access API pricing is usage-based. MCP integration included at no additional cost. |
No source code search Limited to predefined technologies. Cannot search for custom HTML, Javascript, or niche code. | Search custom Javascript & HTML Go beyond predefined categories — search for any code pattern across the web. |
No proof of detection Reports technologies without showing the matching code snippets. | Proof of detection with reduced false positives See the matching code snippets. Multiple fingerprints ensure accurate results. |
Wappalyzer offers a free browser extension with limited features. Their API plans start at $250/mo for 50,000 credits, scaling up to $2,500/mo for enterprise usage. Bulk website lookups require paid API access.
Source: Wappalyzer's official pricing page. Verified 2026-07-01.NerdyData offers flexible pricing with unlimited monthly plans starting at $200/mo. Our API pricing is usage-based so you only pay for what you use, and MCP access is included at no additional cost.
Source: NerdyData's pricing page. Verified 2026-07-01.Wappalyzer is great for checking what technologies a single website uses. NerdyData is built for the opposite — finding all websites that use a specific technology. If you need lead generation, competitive intelligence, or market analysis at scale, NerdyData is the better choice.
Have questions? Email our team (support@nerdydata.com), or browse our Documentation.
