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Lokalize vs Stringz: catalog facts
Lokalize	Stringz

Best for: Translators working on KDE and other software projects	Best for: Apple platform developers managing app translations
Free Free and open source under the GPL-2.0-or-later license.	Free Free and open source under GPL-3.0.
Linux	macOS
Supports software localization workflows Can translate OpenDocument files through XLIFF	Lightweight editor focused on Xcode localization Covers iOS, macOS, tvOS and watchOS projects Open source under GPL-3.0
Windows builds are distributed through KDE’s CI package registry.	No commits since March 2024 No releases published on GitHub
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Lokalize userbase.kde.org/Lokalize Catalog checked October 8, 2026	Official website Full listing and sources Sources for Stringz github.com/heysem-useinsider/Stringz Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.