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Slow Mail vs Aqua Mail: catalog facts
Slow Mail	Aqua Mail
Free Free and open source under the MIT licence.	Freemium Free to try, with a paid purchase that removes ads and unlocks more features.
Android	Android
No emails or message lists stored on the device Works with any IMAP and SMTP provider	Works with any IMAP or POP3 account alongside the major providers Does not route mail or passwords through its own cloud
Needs an active internet connection to read mail Slower than clients with a local cache	Free version shows ads Android only
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it 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.