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Microsoft Outlook vs Kiwi for Gmail: catalog facts
Microsoft Outlook	Kiwi for Gmail
Freemium Free app and account available; Microsoft 365 plans add paid features and Office apps.	Paid Paid after a free trial, and can be cancelled at any time.
Windows, macOS, Android, iOS, Web	Windows, macOS
Email, calendar and contacts for multiple accounts in one app Available on desktop, mobile and web	Gmail and Google Workspace in dedicated desktop windows Quick access to Docs, Sheets, Slides and Drive
Closed source and tied to Microsoft services Some features, including Copilot, require a paid plan	Only works with Gmail and Google Workspace Paid after the trial
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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