Compare software

Celtx vs Fade In: catalog facts
Celtx	Fade In
Freemium Free account available, with a 7-day trial of paid features.	Paid A paid licence is bought from the developer's website.
Web	Windows, macOS, Linux
Script editors for many formats, including theater and games Storyboard and beat sheet tools	Automatic industry-standard screenplay formatting Tools for outlining, organizing and navigating a script
Many features sit behind paid plans Requires an account	Paid software with no free tier described Focused on scripts, so not a general-purpose word processor
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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 1, 2026

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