Find your migraine triggers.
Keep your data to yourself.
Log an attack in seconds, check in daily, and see which factors statistically co-occur with your headache days — caffeine, sleep, stress, weather, and more. Your diary lives in your browser and nowhere else.
A diary that respects you — and your data
No account, no cloud
Sign-ups and sync failures are the top reasons people abandon headache diaries. TrueTrigger stores everything in your browser only — nothing to leak, nothing to lose to a server.
Honest factor analysis
See attack rates on exposed days versus unexposed days — and just as importantly, which of your suspects the data does not support. Correlation is not causation.
Doctor-ready report
Generate a clean printable summary of your attack history, patterns, and statistics to bring to your next appointment. Print it or save it as PDF.
1. Log an attack in seconds
When a migraine hits, one short form — time, severity, symptoms. No ten-screen interrogation.
2. Check in daily
Tick the factors you were exposed to: caffeine, poor sleep, stress, weather changes, and more.
3. Review and share
Charts show your patterns. The analysis page ranks factors; the report goes with you to the doctor.
Start your diary today — free
No sign-up, nothing to install. Your first check-in takes ten seconds.
Log an attack — it's free