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Arc Studio vs Beat: catalog facts
Arc Studio	Beat
Freemium Free to start without a credit card, with a paid Pro tier.	Free Free and open source under the GPL, distributed through the App Store.
Web	macOS, iOS
Whiteboard outlining with story beat cards Outline and notes shown beside the script	Plain-text Fountain files that stay readable anywhere Final Draft import and export with revisions
Advanced features require a paid plan Requires an account	Apple platforms only Largely maintained by one developer
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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