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Diaguard vs Juggluco: catalog facts
Diaguard	Juggluco
Free Free, ad-free and open source under the GPL-3.0.	Free Available on Google Play and as a direct download, with no price mentioned.
Android	Android
Tracks many measurements beyond blood sugar PDF and CSV export for sharing with a doctor	Works with sensors from many manufacturers Reads Libre 2 and 3 values over Bluetooth every minute
Android only Manual entry rather than automatic sensor import	Android only Not the manufacturer's official app, so check its suitability for medical decisions yourself
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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