Compare software

Leon vs Dicio: catalog facts
Leon	Dicio
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence.
Self-hosted	Android
Runs on your own server under your control Extendable with modular skills	On-device speech recognition with Vosk Speech and graphical answers
Requires setting up and maintaining a server Aimed at people comfortable with Node.js and Python	Limited set of skills compared with commercial assistants Android only
Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
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.