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WonderPen vs FocusWriter: catalog facts
WonderPen	FocusWriter
Paid Proprietary software sold through a purchase page on the developer's site.	Free Free and open source under the GPL version 3.
Windows, macOS, Linux	Windows, Linux
Unlimited-depth tree for chapters and documents Export to PDF, Word, EPUB and web pages, including whole books	Hide-away interface keeps the page uncluttered Daily goals and live writing statistics
Proprietary and paid Cloud sync relies on the developer's own service	No macOS build listed Not suited to complex layout or formatting
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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