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The Unarchiver vs Oka Unarchiver: catalog facts
The Unarchiver	Oka Unarchiver
Free Free to download and use. The software is closed source.	Freemium Free to download, with an optional paid VIP upgrade.
macOS	macOS
Opens almost any archive format with no configuration Handles legacy filename encodings that other extractors mangle	Opens RAR archives on macOS Batch extraction of several archives
Extraction only; it cannot create archives	macOS only Some features sit behind a paid VIP upgrade
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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