Compare software

Slugline vs Beat: catalog facts
Slugline	Beat
Freemium Free up to six pages per script; longer scripts need the Unlimited Writing upgrade.	Free Free and open source under the GPL, distributed through the App Store.
macOS, iOS	macOS, iOS
Automatic screenplay formatting as you type Drag-and-drop outline that moves the matching script text	Plain-text Fountain files that stay readable anywhere Final Draft import and export with revisions
Apple platforms only Scripts longer than six pages require a paid upgrade	Apple platforms only Largely maintained by one developer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
Not stated if an account is 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.