Compare software

Beat vs Slugline: catalog facts
Beat	Slugline
Free Free and open source under the GPL, distributed through the App Store.	Freemium Free up to six pages per script; longer scripts need the Unlimited Writing upgrade.
macOS, iOS	macOS, iOS
Plain-text Fountain files that stay readable anywhere Final Draft import and export with revisions	Automatic screenplay formatting as you type Drag-and-drop outline that moves the matching script text
Apple platforms only Largely maintained by one developer	Apple platforms only Scripts longer than six pages require a paid upgrade
Downloadable app	Downloadable app
Open source	Closed source
License: GPL	License not stated
No account needed	Not stated if an account is needed
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.