Compare software

iA Writer vs MWeb Pro: catalog facts
iA Writer	MWeb Pro
Paid A paid purchase or subscription is required, depending on platform.	Paid A lifetime version costs $34.99 on the MWeb Store; also available on the App Store.
Windows, macOS, Android, iOS	macOS, iOS
Syntax control highlights adjectives, conjunctions and filler words Plain Markdown files in your own folders, with no proprietary library	Native AppKit and UIKit apps GFM with math, Mermaid and ECharts previews
Paid on every platform, with separate purchases in places Deliberately few features; it is not an organiser or notebook	Apple platforms only Paid app
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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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