Real-time blood alcohol tracking with AI-powered insights. Make informed decisions before, during, and after.
BLOW AI calculates your blood alcohol concentration in real time, updating every minute as your body metabolises alcohol. See a range, not just a single number.
After every drink, Claude AI writes a plain-English explanation of your current state — warm, non-judgmental, and specific to you. No jargon, no numbers without context.
You're in a relaxed zone — coordination and reaction time are mildly affected, but most people feel steady at this level. If you have food in your system, the effects will be gentler. You're well within the legal driving limit for your region.
When you're over the limit, BLOW AI shows a real-time countdown — ticking down to the second — so you know exactly when your BAC will drop below the legal threshold for your region.
Photograph any drink or scan its barcode. AI identifies the name, ABV, and serving size instantly.
Every session is saved with a full BAC chart. Review patterns across weeks and months.
Check-in reminders during your session. A push notification the moment you're safe to drive.
See exactly how much longer you'd need to wait to drive if you had one more drink — before you order it.
Your data stays on your device. AI insights are anonymised and bucketed — your exact details are never sent.
Glance at your current BAC and drive status from your home screen — without opening the app.
Supports criminal and administrative limits for every major region.
Free to download. Premium from $3.99/month.