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Delta Chat vs Wire: catalog facts
Delta Chat	Wire
Free Free and open source under the GPL 3.0. Free chatmail relays are provided, or use any…	Freemium A limited free personal tier is available. Business plans are paid.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS, Web
Works with any email account, or with a provided chatmail relay Reaches people who do not use Delta Chat at all	Encrypted group calls and guest rooms aimed at organisations Clients are open source and the server can be self-hosted
Encryption only applies when the other side supports Autocrypt Email metadata such as subject and timing is visible to mail servers	The free personal tier is limited and the focus is on paid business plans Requires an account tied to an email address or phone number
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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