# SipLogger: Alcohol Tracker — BAC Calculator & Drink Tracker > Educational alcohol metabolism tracker visualizing estimated blood alcohol content over time. (iPhone/iPad app by UNIBRIXGLOBAL LIMITED.) - Source: https://appshunter.io/ios/app/siplogger-alcohol-tracker/id6758573311 (this page in markdown: same URL + `.md`) - Developer: [UNIBRIXGLOBAL LIMITED](https://appshunter.io/developer/1793548652) - Category: Health & Fitness, Food & Drink - Price: Free - Rating: 3.33/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 17+ - Requires: iOS 17.0 · 4 MB - Languages: Czech, English, French, German, Italian, Polish, Spanish, Ukrainian - Released: 2026-03-27 - Data updated: 2026-07-09 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/siplogger-alcohol-tracker/id6758573311/reviews.md ## What is SipLogger? TRACK YOUR DRINKS. SEE YOUR ESTIMATED BAC CURVE. 100% FREE. SipLogger is an educational alcohol metabolism tracker that visualizes your estimated blood alcohol content over time. Log your drinks and watch your estimated BAC curve rise and fall in real time — all powered by the Watson Total Body Water method and the Widmark formula. For educational and informational purposes only. The estimated BAC accuracy is approximately ~20%. HOW IT WORKS 1. Set Up Your Profile Enter your weight, height, biological sex, and age — or let SipLogger read them from Apple Health. These values personalize the Watson + Widmark formula for more accurate estimates. 2. Log Your Drinks Choose from 40+ built-in drink templates or create custom drinks with any volume and ABV. Each drink is timestamped for precise absorption modeling. 3. Review Your Sessions See your estimated BAC curve, review when your level approaches baseline, and browse your complete session history. KEY FEATURES ◉ Real-Time Estimated BAC Curve Watch your estimated blood alcohol content rise and fall as a smooth chart. See absorption, peak, and metabolism phases visualized over time. ◉ Watson + Widmark Formulas Scientifically-grounded BAC estimation using the Watson Total Body Water method combined with the Widmark formula. Personalized by weight, height, sex, and age. ◉ 40+ Built-In Drinks Beer, wine, spirits, cocktails, and more — each with pre-configured volume and ABV. Create custom drinks with any volume and alcohol percentage. ◉ Drink Pace Modeling Each drink's absorption is modeled individually based on timing. See how spacing affects your estimated BAC curve. ◉ Live Activities Monitor your active session from the Lock Screen and Dynamic Island. See the current estimated BAC and time to approach baseline at a glance. ◉ Apple Health Integration Optionally read weight, height, biological sex, and age from HealthKit. Read-only — SipLogger never writes to Health and never transmits your data. ◉ Session History & Diary Review past sessions with drink logs, estimated peak BAC, session duration, and time to approach baseline. ◉ 8 Languages English, Ukrainian, Polish, French, Spanish, German, Czech, and Italian with full localization. IMPORTANT DISCLAIMER SipLogger is an educational and informational tool only. Estimated BAC values have approximately ~20% accuracy and vary based on food intake, hydration, medications, and individual metabolism. Never use estimated BAC to make decisions about driving or operating machinery. This app does not encourage alcohol consumption. Rated 18+. Intended for adults of legal drinking age. ## Key features - Real-time estimated BAC curve visualization - Personalized BAC estimation using Watson + Widmark formulas - Extensive library of built-in and custom drink logging - Drink pace modeling based on timing - Live Activities integration for Lock Screen monitoring - Apple Health integration for profile data - Detailed session history and diary ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/siplogger-alcohol-tracker/id6758573311/reviews.md ### 2/5 — Won’t Save Profile *2026-07-04* Looks like exactly what I am looking for but it will not let me set up initial profile, tapping save profile doesn’t do anything can’t get past setup 😞 ### 3/5 — Almost perfect *2026-05-21* So close to being exactly the app I was looking for. Clean interface and has a live activity for BAC. Just needs to write drinks to Apple Health to be perfect. **Developer response:** Dear User, thanks for your feedback. This one will be prioritized! ## Frequently asked questions about SipLogger ### What is SipLogger's estimated BAC accuracy? SipLogger provides an estimated BAC with approximately 20% accuracy. This estimation can vary based on factors like food intake, hydration, medications, and individual metabolism. ### Does SipLogger have ads? No, SipLogger is ad-free. You can use all its features without any advertisements interrupting your experience. ### What scientific formulas does SipLogger use for BAC estimation? SipLogger utilizes the Watson Total Body Water method combined with the Widmark formula for its BAC estimations. These scientifically-grounded methods are personalized by your weight, height, sex, and age. ### Can SipLogger read my health data? Yes, SipLogger can optionally read your weight, height, biological sex, and age from Apple Health. This data is used for read-only purposes to personalize your BAC estimates and is never transmitted or written back to Health. ### What devices does SipLogger support? SipLogger is currently supported on iPhone devices. It offers features like Live Activities for the Lock Screen and Dynamic Island. ### How often is SipLogger updated? The latest version of SipLogger is 1.2, and it was last updated on July 2, 2026. Updates typically bring new features, improvements, and bug fixes. ### Is SipLogger suitable for making decisions about driving? No, SipLogger is strictly an educational and informational tool. Its estimated BAC values have approximately 20% accuracy and should never be used to make decisions about driving or operating machinery. ### What languages does SipLogger support? SipLogger is available in 8 languages, including English, Ukrainian, Polish, French, Spanish, German, Czech, and Italian, with full localization for each. ## Version history (last 3 releases) ### 1.2 — 2026-07-02 Apple Health drink write sync ### 1.1.2 — 2026-05-06 ◉ Localization fixes ◉ Onboarding improvements ### 1.0 — 2026-03-27 No release notes. ## More apps by UNIBRIXGLOBAL LIMITED - [Paralanguage Social Connect](https://appshunter.io/ios/app/paralanguage-social-connect/id6741202625) - [SnapNutrition AI](https://appshunter.io/ios/app/snapnutrition-ai/id6757797704) All apps by UNIBRIXGLOBAL LIMITED: https://appshunter.io/developer/1793548652 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-09.*