BACtrack vs Smart Sense BAC Breathalyzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BACtrack
Estimate your Blood Alcohol Content (BAC) using a compatible smartphone breathalyzer. Track your readings over time, understand impairment levels, and estimate when your BAC will return to zero. Integrates with Apple Health for a comprehensive view of your drinking habits.
- Estimate BAC levels
- Connects via Bluetooth
- ZeroLine® BAC estimation
- Track drinking habits
- Apple Health integration
- Safety information
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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!
Smart Sense BAC Breathalyzer
This app works with a connected USB breathalyzer device to provide instant, accurate alcohol level readings. It's designed for responsible drinking, offering a portable solution for safety and control. Optional features include taking a selfie with your test results for easy sharing.
- Instant BAC readings
- Connects to USB breathalyzer device
- Portable and pocket-sized
- Optional selfie with results
- Easy sharing of test results
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DISCLAIMER: - DO NOT USE THE APP FOR MEDICAL APPLICATIONS - THE BREATH METER DEVICES CONNECTS TO THIS APP ARE NOT MEDICAL DEVICES - TEST RESULTS IN THE APP ARE NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY DISEASE OR HEALTH CONDITION. Introducing the ultimate solution for responsible drinking: the USB Breathalyzer. With sleek design and cutting-edge technology, it's your pocket-sized partner for safety. Simply plug it into your device, blow, and get instant accurate results. Whether you're at a party, bar, or just curious, this device ensures you stay in control. Its compact size makes it perfect for on-the-go use, fitting easily in your pocket or purse. Don't leave your safety to chance—take control with the USB Breathalyzer. Order now and enjoy peace of mind with every sip. Stay safe, stay smart, stay responsible. Need to share your test results. No problem. The app includes a (optional) selfie photo taking and single test result viewing functions which make sharing test results quick and simple. To learn more about the product please visit: https://www.reflexwireless.com/en/usb-breathalyzer/
Screenshots
Verdict
The clearest difference is in-app purchases: Smart Sense BAC Breathalyzer at none against BACtrack's 2. Smart Sense BAC Breathalyzer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). BACtrack's advantage is ads (none vs shown) and ratings volume (1.5K vs 2). On price, rating and update cadence 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 2 in-app purchases, starting at $39.99 per year. Smart Sense BAC Breathalyzer asks for nothing beyond the download.
BACtrack holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: BACtrack has 1.5K ratings behind it against 2, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | BACtrack | Smart Sense BAC Breathalyzer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (1.5K ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 26.9% of reviews | — |
| Number of ratings | 1.5K — better | 2 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 73 MB |
| Age rating | 17+ | 12+ |
| Developer | KHN Solutions Inc | ReFleX Wireless Inc. |
Customer experience
BACtrack
Smart Sense BAC Breathalyzer
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
Smart Sense BAC Breathalyzer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BACtrack
- BACtrack+1 Year trial$39.991 Year
- BACtrack+1 Month trial$39.991 Year
Smart Sense BAC Breathalyzer
No in-app purchases
Questions
Is BACtrack free?
Is Smart Sense BAC Breathalyzer free?
Which has better reviews, BACtrack or Smart Sense BAC Breathalyzer?
Do BACtrack or Smart Sense BAC Breathalyzer have ads?
Which is updated more often, BACtrack or Smart Sense BAC Breathalyzer?
Other comparisons
