SoberUp Alcohol tracker. APP
The app shows your current levels and a chart that helps to understand your safety over time.
You can set alerts to help you control your alcohol consumption so you can meet your goals. They notify you when you can/should drink again.
You can connect with your buddies and share your drink consumption to help to meet your drinking goals.
Uses peer reviewed alcohol metabolism models.
Disclaimer: never rely entirely on the application for safety, it is a guide and educational tool only. Especially, always drive safely. If in doubt, get a taxi!