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bibisco vs Hammer: catalog facts
bibisco	Hammer
Freemium A free version is available, with a paid edition offering more features.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android, iOS	Windows, Linux, Android
Tracks characters, scenes and storylines alongside the text Available on desktop and mobile platforms	Native apps rather than a web page in a wrapper Runs on phones and desktops
Focused on novels rather than other kinds of writing Some features are reserved for the paid edition	Issue reporting is steered towards Discord Feature details are sparse in the available documentation
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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