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Becky! Internet Mail vs The Bat!: catalog facts
Becky! Internet Mail	The Bat!
Paid Shareware that requires a paid licence after evaluation.	Paid Commercial software from Ritlabs; prices are not listed on the product page.
Windows	Windows
Small, fast native Windows program Multiple mailboxes with separate profiles	Optional encryption of the local message base Blocks tracking pixels and malicious code in mail
Windows only HTML mail relies on an Internet Explorer component	Windows only Commercial license required
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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