Comparison

BACtrack vs Ketone Meter Breathalyzer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

Ketone Meter Breathalyzer

This app pairs with a ketone meter device to provide real-time tracking of your body's fat-burning rate. It helps you set goals, analyze historical data, and optimize your fitness and diet plans for peak performance.

Highlights
  • Real-time fat burning rate tracking
  • Syncs with ketone meter devices
  • Personalized insights
  • Goal setting
  • Historical data analysis
  • Optimizes workouts and diet
Features
Read full description

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. Achieve peak fitness with the Fat Burning Rate Monitor, powered by the Ketone Meter app. Seamlessly integrating your smartphone and ketone meter device, this tool offers real-time tracking and personalized insights to estimate your body's fat burning rate. Set goals and analyze historical data to optimize workouts and diet plans. With intuitive syncing across devices, you can stay on track wherever you go. Streamline your fitness journey and unlock your body's full potential. Get your ketone meter device and app now and take control of your fat burning journey for a healthier, stronger you!

Screenshots

BACtrack4 screens
Ketone Meter Breathalyzer2 screens

Verdict

The call

The clearest difference is rating: BACtrack at 4.1 against Ketone Meter Breathalyzer's 2.0. BACtrack also leads on ads (none vs shown) and review sentiment (27% vs 0%). Ketone Meter Breathalyzer's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BACtrack sells 1 in-app purchase, starting at $39.99 per year. Ketone Meter Breathalyzer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BACtrack holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: BACtrack has 1.4K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 27% of BACtrack's written reviews are positive against 0% of Ketone Meter Breathalyzer's.

UpkeepUpdate frequency

BACtrack ships an update every 2 weeks, Ketone Meter Breathalyzer every 9 days. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard8 real differences · 2 level
BACtrack versus Ketone Meter Breathalyzer: the parameters behind the verdict, then further details
ParameterBACtrackKetone Meter Breathalyzer
PriceFreeFree
Rating4.1 (1.4K ratings) — better2.0 (4 ratings)
Positive reviews26.9% of reviews — better0.0% of reviews
Number of ratings1.4K — better4
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size130 MB34 MB
Age rating17+17+
DeveloperKHN Solutions IncReFleX Wireless Inc.

Customer experience

BACtrack

All ratings1,370 ratings
Positive78.4%
Neutral3.4%
Negative18.2%
Written reviews193 reviews
Positive26.9%
Neutral14.0%
Negative59.1%

Ketone Meter Breathalyzer

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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
Show 1 more
  • Improved history tracking and data management

Ketone Meter Breathalyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

BACtrack

Subscriptions1
  • BACtrack+1 Month trial$39.991 Year
None

Ketone Meter Breathalyzer

No in-app purchases

Questions

Is BACtrack free?
BACtrack is free to download, with in-app purchases available.
Is Ketone Meter Breathalyzer free?
Ketone Meter Breathalyzer is free to download, with no in-app purchases.
Which has better reviews, BACtrack or Ketone Meter Breathalyzer?
BACtrack is rated higher. BACtrack averages 4.1 out of 5 from 1.4K ratings, while Ketone Meter Breathalyzer averages 2.0 from 4 ratings.
Do BACtrack or Ketone Meter Breathalyzer have ads?
Ketone Meter Breathalyzer shows ads; BACtrack does not.
Which is updated more often, BACtrack or Ketone Meter Breathalyzer?
BACtrack ships an update every 2 weeks, and Ketone Meter Breathalyzer every 9 days. Most recently, BACtrack was updated on September 26, 2026 and Ketone Meter Breathalyzer on September 25, 2026.

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