Features, pricing, ratings, and pros and cons, compared head to head.
ctlogs.dev is a commercial external attack surface management tool by Apps34. Wappalyzer is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Based on our analysis of core features, integrations, company size fit, deployment model, here is our conclusion:
Security teams mapping external attack surface for web applications should start with Wappalyzer because it identifies technology stacks faster and cheaper than manual reconnaissance, and the free tier actually works without constant upsells. You get API access to scan hundreds of sites monthly, which beats the pay-per-lookup model competitors use. Skip this if you need continuous passive monitoring of your own infrastructure or vulnerability correlation baked in; Wappalyzer is a lookup tool, not a persistent scanner, so you're running point-in-time checks rather than feeding live asset data into your SIEM.
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment.
Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.
Access via MCPExplore more tools in this category or create a security stack with your selections.
Common questions about comparing ctlogs.dev vs Wappalyzer for your external attack surface management needs.
ctlogs.dev: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API..
Wappalyzer: A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment..
Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.
ctlogs.dev and Wappalyzer serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Reconnaissance. Key differences: ctlogs.dev is Commercial while Wappalyzer is Free. Review the feature comparison above to determine which fits your requirements.
Get strategic cybersecurity insights in your inbox