BACtrack vs Pavlok
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BACtrack
Turn your iPhone into a breathalyzer with this app. It connects wirelessly to compatible devices to estimate your Blood Alcohol Content (BAC) and provides safety information. Track your drinking habits and understand how alcohol affects your body to make informed decisions.
- Estimate Blood Alcohol Content (BAC)
- Connects wirelessly via Bluetooth
- Displays BAC results on iPhone
- Provides safety information on impairment
- ZeroLine® estimates BAC return to 0.00%
- Save BAC readings to track habits
- Integrates with Apple Health
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Transform your iPhone into a breathalyzer with BACtrack®! Enjoy a modern design, easier navigation, and a smoother overall experience with a lot more updates to come. Easily estimate your BAC (Blood Alcohol Content) with a BACtrack smartphone breathalyzer and this free companion app. Designed by BACtrack, the leading manufacturer of personal and professional breathalyzers, this app connects to your device wirelessly via Bluetooth®, and allows you to measure your alcohol level with the award-winning BACtrack Mobile, BACtrack C6, and BACtrack C8 smart breathalyzers. BACtrack makes it easy to understand how alcohol affects the body, empowering you to make smarter, more informed decisions. In this version of the BACtrack app: • Pairing is automatic once you turn on your BACtrack and open the app; results are communicated via Bluetooth® to display on your iPhone. • Quickly and easily estimate your BAC and read safety information about corresponding impairment levels. • ZeroLine® estimates when your BAC will return to 0.00%. • Saved BAC readings allow you to get a clear picture of your drinking habits. • Track your BAC data using Apple Health. The most trusted brand of breathalyzers on the market, BACtrack has been featured in Fast Company and CNET. Download now and test your BAC anywhere, anytime!
Pavlok
This app helps you build better habits and break bad ones through advanced tracking and behavior reinforcement. It integrates with a wearable device for immediate feedback and offers personalized insights, community support, and rewards to motivate your self-improvement journey.
- Habit tracking and progress monitoring
- Pavlok wristband integration for feedback
- Personalized insights with machine learning
- Community support and shared progress
- Rewards and motivation system
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The Pavlok app is your indispensable companion on the path to self-improvement. With cutting-edge habit tracking and behavior reinforcement strategies, Pavlok empowers you to transform your habits and embrace a more positive lifestyle. Key Features: Habit Tracking: Set goals, track progress, and gain real-time insights into your habits. Our advanced tracking algorithm provides valuable data to help you understand your habits better and make informed choices. Pavlok Wristband Integration: Amplify your habit transformation with the Pavlok app and our Pavlok wristband. Experience gentle vibrations or "zaps" as immediate feedback, encouraging you to stick to good habits and break free from the bad ones. Personalized Insights: Leverage Pavlok's machine learning algorithms to gain deep insights into your patterns, triggers, and effective behavior change methods tailored to you. Community Support: Connect with a vibrant community of like-minded individuals also on their journey of change. Share progress, find support during challenging times, and celebrate victories together! Rewards and Motivation: Earn points for maintaining good habits, conquer challenges, and unlock exclusive content and rewards using your hard-earned points. Change may be tough, but Pavlok makes it easier. Embark on your transformational journey today with Pavlok – Your Habit Changing Companion. Bid farewell to old habits and embrace the new you! Please note that the full functionality of the app requires a Pavlok device, which is sold separately. Important: For payments and subscriptions, we adhere to the standard Apple Terms of Use (EULA). You can review the terms by visiting https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Pavlok at 69% against BACtrack's 27%. Pavlok also leads on rating (4.5 vs 4.1) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BACtrack sells 1 in-app purchase, starting at $39.99 per year and Pavlok sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Pavlok holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 1.4K and 3.1K respectively. Written reviews point the same way: 27% of BACtrack's written reviews are positive against 69% of Pavlok's.
BACtrack ships an update fortnightly, Pavlok every 2 weeks. Both last shipped on October 15, 2026.
| Parameter | BACtrack | Pavlok |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (1.4K ratings) | 4.5 (3.1K ratings) — better |
| Positive reviews | 26.9% of reviews | 69.1% of reviews — better |
| Number of ratings | 1.4K | 3.1K — better |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 16 — better |
| Further details — not scored | ||
| Size | 130 MB | 291 MB |
| Age rating | 17+ | 4+ |
| Developer | KHN Solutions Inc | Behavioral Technology Group, INC. |
Customer experience
BACtrack
Pavlok
User reviews
BACtrack
From 1.4K App Store ratingsWhat we love
- 💡 Helpful yardstick
- 🚀 Works as expected
- 👍 Great product
Room to improve
- 🐛 App crashes or doesn't work
- 🔋 Battery issues
- 🔒 Privacy concerns with required account
- 👎 App updates make it worse
- 👎 Inconsistent or inaccurate readings
Pavlok
From 3.1K App Store ratingsWhat we love
- 🚀 Effectively wakes up heavy sleepers
- 👍 Customizable alarm settings
- 🚀 Reliable alarm function
- 👍 Helps establish morning routine
- 👍 Useful for those with hearing loss
Room to improve
- 🐛 Connectivity issues with app
- 🐛 Unreliable app functionality
- 🔋 Battery life concerns
- 🐛 Syncing issues between device and app
- 🐛 Glitchy app updates
Bugs and requests
BACtrack
Reported bugs
4 issues- App won't get past registration screen
- Firmware update issues
- Bluetooth connectivity problems
- App crashes or freezes
Requested features
6 requests- Bring back Apple Watch app
- More drink options
- Countdown timer for blowing
- Ability to add custom drinks
- Battery level indicator
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- Improved history tracking and data management
Pavlok
Reported bugs
5 issues- Alarms disappearing or not working
- Frequent app crashes and disconnections
- Inability to log in or create new accounts
- Sleep tracking data not syncing properly
- Inconsistent shock/vibration functionality
Requested features
5 requests- Integration with health/fitness apps
- More customization options for alarms and habits
- Standalone device functionality without app
- Improved battery life and charging
- Better app stability and user experience
In-app purchases
BACtrack
- BACtrack+1 Month trial$39.991 Year
Pavlok
- Premium Monthly$4.991 Month
- Challenge Monthly7 Days trial$9.991 Month
- Ai Coach Monthly Access$9.991 Month
Show 2 moreShow fewer
- Premium Yearly$29.991 Year
- Ai Coach Yearly Access$99.991 Year
- Shock Clock3 Update$49.99









