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scc vs Understand: catalog facts
scc	Understand
Free The open-source application is available without a license fee.	Paid Commercial software with a free trial.
Windows, macOS, Linux	macOS
Multiple code metrics from one repository scan	Cross-references, call trees and dependency analysis Many graph types with plugin support and export
Complexity and effort figures are estimates, not measured development time.	Paid after the trial More than most small projects need
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.