ctlogs.dev vs Smogcloud: Side-by-Side Comparison (2026)

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..

Smogcloud: A Go-based tool for discovering and inventorying internet-facing AWS assets across single or multiple accounts to help maintain comprehensive cloud attack surface visibility..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

ctlogs.dev is developed by Apps34. Smogcloud is open-source with 347 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

ctlogs.dev and Smogcloud 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 Smogcloud is Free, Smogcloud is open-source. Review the feature comparison above to determine which fits your requirements.