Compare software

WriterDuet vs Arc Studio: catalog facts
WriterDuet	Arc Studio
Freemium A free tier is available, with paid plans for more features.	Freemium Free to start without a credit card, with a paid Pro tier.
Web	Web
Real-time co-writing on the same script Covers planning, writing and sharing a script	Whiteboard outlining with story beat cards Outline and notes shown beside the script
Proprietary software Mainly useful for scripts rather than general writing	Advanced features require a paid plan Requires an account
Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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 October 2, 2026

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