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Diaguard vs MediLog: catalog facts
Diaguard	MediLog
Free Free, ad-free and open source under the GPL-3.0.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Tracks many measurements beyond blood sugar PDF and CSV export for sharing with a doctor	Tracks many vital signs in one app Charts with trends and thresholds
Android only Manual entry rather than automatic sensor import	Android only Data entry is manual
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
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 2, 2026

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