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Mailbird vs The Bat!: catalog facts
Mailbird	The Bat!
Paid Paid desktop app, sold as a one-time or subscription license.	Paid Commercial software from Ritlabs; prices are not listed on the product page.
Windows, macOS	Windows
Unifies multiple email accounts and providers into one inbox App integrations reduce the need to switch to separate tools	Optional encryption of the local message base Blocks tracking pixels and malicious code in mail
Windows and macOS only Full feature set requires a paid license	Windows only Commercial license required
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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