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Migraine Log vs Privacy Friendly Pain Diary: catalog facts
Migraine Log	Privacy Friendly Pain Diary
Free Free and open source under the GPL version 3 or later.	Free Free and open source under the GPL-3.0 licence.
Android, iOS	Android
Logging an attack needs only a date and a strength No network access, so data stays on the device	Records intensity, location, nature and timing of pain Tracks medication alongside symptoms
Focused only on headaches, not general health tracking No sync between devices	Android only Focused narrowly on pain, not general health tracking
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	No account 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.