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Lumo vs Euria: catalog facts
Lumo	Euria
Freemium Plans are not listed in the research; check Proton's site for current pricing.	Free Free to use with a my kSuite account from Infomaniak.
Android, Web	Android
Zero-access encrypted chat history Provider states it does not track or record conversations	Service hosted in Switzerland by Infomaniak Open-source Android client under the GPL-3.0
Little public detail on models and limits in the research Requires trusting Proton's privacy claims	Requires an Infomaniak my kSuite account The AI runs on Infomaniak's servers, so it does not work offline
Web application	Downloadable app, Hosted service
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

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