Careful not to lose your data
Overall this has been a very convenient app, and has made a big difference for me in the consistency with which I record headach data. I would definately recommend it to anyone with chronic headaches. My only caveat is to be careful not to lose your data! The app started crashing on my phone after they had made some big overhauls ( not sure if the problem was the app or the phone). I then lost six months of data that I had meticulosly entered. I was only able to recover some of the data because I happened to have a back up of my phone on my computer from a month ago. Point being - you cant just count on the data being automatically backed up to iTunes. Its probably best to email it to yourself periodically. Learn from my mistakes! Oh, and I like some of their recent upgrades. I just wish that the triggers were more versatile - ie that you could add your own in the same way that you can add your own medications. Their lost definitely isnt exhaustive, and migraines are so particular to individuals and poorly understood that ot makes sense to allow people to track their own hypotheses.
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iHeadache - Headache & Migraine Diary