Alcophone — BAC Calculator & Drink Tracker
Know your limit. Get home safe.
Why Alcophone?
The most accurate BAC calculator app for Android — built for the USA.
USA-Calibrated Accuracy
Built on peer-reviewed Deurenberg + Norberg research, calibrated for real US body composition data. Other apps use outdated 1980s formulas that can underestimate your BAC by up to 25%.
One-Tap Safe Ride
Uber and Lyft buttons appear automatically when your BAC is above zero. Don’t fumble for an app when you’ve been drinking — your safe ride is one tap away.
1,000+ Drinks Database
Beer, wine, cocktails, spirits, ciders, seltzers and more. Browse by category, search by name, or quick-add your usual. Precise ABV and serving sizes.
Your Data Stays on Your Phone
No account. No server. No data collection. Everything is stored locally on your device. Your drinking data is nobody’s business but yours.
See It in Action
Tap any screenshot to enlarge
Real-Time BAC
Quick Drink Logging
Drinks Database
Day Breakdown
Calendar Heatmap
Achievements
Weekly Trends
Free vs PREMIUM
Everything you need is free. Premium takes accuracy further.
| Feature | Free | Premium |
|---|---|---|
| BAC Calculation | ✓ | ✓ Enhanced |
| BAC Accuracy | Standard | Up to 30% more precise |
| Drink Database | 1,287 beers | 1,350+ including wine, spirits, cocktails, ciders, seltzers |
| Safe Ride (Uber/Lyft) | ✓ | ✓ |
| Calendar View | Monthly (30 days) | Yearly heatmap + unlimited history |
| Achievements | ✓ | ✓ |
| Weekly Trends & Insights | Overview | Full analytics |
| Favorites | 5 | Unlimited |
| Drink History | 30 days | Unlimited |
| CSV Export | — | ✓ |
| Hydration Tracking | — | ✓ |
| Calorie Tracking | ✓ | ✓ |
| Food Modifiers | — | Coming soon |
| Ads | Banner + interstitial | Ad-free |
Download the Best BAC Calculator for Android
Alcophone is free on Google Play — no account, no subscription, no data collection.
Alcophone provides BAC estimates only. It is not a breathalyzer and cannot measure your actual blood alcohol content. Never drive after drinking, regardless of what any app says. Must be 21+ to use. Google Play and the Google Play logo are trademarks of Google LLC. © 2026 SafeMetrics4U. All rights reserved.