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

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