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Effie vs iA Writer: catalog facts
Effie	iA Writer
Freemium Free to download, with paid plans listed on the pricing page.	Paid A paid purchase or subscription is required, depending on platform.
Windows, macOS, Android, iOS	Windows, macOS, Android, iOS
Writing, outlining and mind maps in one app Clients for desktop and mobile platforms	Syntax control highlights adjectives, conjunctions and filler words Plain Markdown files in your own folders, with no proprietary library
Proprietary, closed source AI features and plan details are tied to the paid tiers	Paid on every platform, with separate purchases in places Deliberately few features; it is not an organiser or notebook
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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