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The Bat! vs Microsoft Outlook: catalog facts
The Bat!	Microsoft Outlook
Paid Commercial software from Ritlabs; prices are not listed on the product page.	Freemium Free app and account available; Microsoft 365 plans add paid features and Office apps.
Windows	Windows, macOS, Android, iOS, Web
Optional encryption of the local message base Blocks tracking pixels and malicious code in mail	Email, calendar and contacts for multiple accounts in one app Available on desktop, mobile and web
Windows only Commercial license required	Closed source and tied to Microsoft services Some features, including Copilot, require a paid plan
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
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.