Know the pressure is dropping before your head does.
Migraine Watch checks the barometric pressure where you are and warns you ahead of a change big enough to matter — so a bad day is something you can plan for.
What it does
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Warns you in advance
A notification arrives up to twelve hours before a qualifying pressure change begins, with how far it moves and when it starts.
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Clearly shows pressure
Three days behind and four ahead at a glance, with the daily range shaded. Tap a warning to see the event itself picked out.
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Tracks your symptoms
Record severity, triggers, medication and how much relief it gave, against the weather on the day it happened.
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Can be tuned to you
Three sensitivity levels decide how big a change has to be. Turn it up to catch smaller drops, down to hear only the serious ones.
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Doesn't track you
Nothing to sign up for and nothing to sign into. What you record about your health never leaves your phone.
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Is quiet by design
One warning per event. It will not tell you the same thing twice, and it will not tell you about weather that has already passed.
Your health data stays on your phone
Migraine Watch has no server. There is no account, no advertising and no third-party tracking of any kind. What you record about your health is written to your device and stays there.
To fetch a forecast the app sends your approximate coordinates and time zone to Open-Meteo, the weather service it reads from, along with a place name if you search for one. Those requests carry nothing else — no identifier, and nothing about your symptoms. The privacy policy sets out the detail.