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Posteo vs Disroot: catalog facts
Posteo	Disroot
Paid 1 euro per month, with paid upgrades for storage and aliases.	Free Free and donation-funded; extra email and cloud storage can be bought.
Web	Android, Web
Signup without personal details Low fixed monthly price	Email, cloud, chat and more under one account Works with standard IMAP clients
No free tier 4 GB base storage	Depends on donations and a small team Custom domains only for regular supporters
Web application, Hosted service	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it 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.