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Convertidor vs Uno Calculator: catalog facts
Convertidor	Uno Calculator
Free Free and open source under the GPL-3.0 licence.	Free Free to use; the underlying calculator code is under the Apache-2.0 licence.
Linux	macOS, Linux, Android, iOS, Web
More than 300 units of measurement Instant conversion as you type	Familiar Windows Calculator layout on other systems Scientific and Programmer modes
Linux only Small project with a short commit history	Initial load can be slow Built mainly as a framework showcase
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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