Last updated: Jan 29 2026
This application is licensed under Apple’s Standard End User Licence Agreement (“Apple EULA”).
These Terms of Use (“Supplemental Terms”) apply in addition to the Apple EULA and govern your use of this application.
If there is any conflict, the Apple EULA prevails.
This app provides estimated blood alcohol concentration (BAC) calculations using mathematical formulas (including the Widmark formula).
The app is provided for informational and educational purposes only.
⚠️ This app does NOT determine whether you are safe or legally permitted to drive.
BAC estimates:
Are not real-time
Are not medically accurate
Do not account for individual differences such as metabolism, food intake, medication, fatigue, or health conditions
If you are unsure, do not drive.
The app does not provide:
Medical advice
Legal advice
Safety guarantees
Drink-driving laws vary by country, state, and jurisdiction.
You are solely responsible for complying with all applicable laws.
By using this app, you acknowledge and agree that:
Any decisions you make based on the app’s estimates are entirely your responsibility
You assume all risks associated with alcohol consumption and driving
To the maximum extent permitted by law, we are not liable for any:
Injury or death
Property damage
Criminal charges, fines, penalties, or legal consequences
Losses arising from reliance on BAC estimates
The app is provided “as is” without warranties of any kind.
This app is not a breathalyser, testing device, or certified measurement tool.
It does not replace:
Professional testing
Law enforcement testing
Medical assessment
You must be legally permitted to consume alcohol in your jurisdiction to use this app.
We may update these Supplemental Terms at any time. Continued use of the app constitutes acceptance of the updated terms.
For questions regarding these Terms, contact:
Estrella Company PTY LTD / Support@estrellacompanyptyltd.com