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Prezi vs Sozi: catalog facts
Prezi	Sozi
Freemium Free to start with no credit card required; paid plans add more features.	Free Free and open source under the Mozilla Public License 2.0.
Web	Windows, Linux
Audience polls, quizzes and Q&A through a QR code with no app or login AI drafting from a description or an existing deck	Zooming, panning presentations built from one SVG drawing Works with drawings made in Inkscape or other SVG editors
Hosted service that needs an internet connection to present Advanced features sit behind paid plans	Last stable release announced on the website dates from 2021 Video export needs separately installed ffmpeg binaries
Web application	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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