Compare software

The Bat! vs Pegasus Mail: catalog facts
The Bat!	Pegasus Mail
Paid Commercial software from Ritlabs; prices are not listed on the product page.	Free Free to use; the developer accepts donations.
Windows	Windows
Optional encryption of the local message base Blocks tracking pixels and malicious code in mail	Free with no paid tier Decades of continuous development
Windows only Commercial license required	Windows only Traditional interface and slow release pace
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account 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.