BACtrack vs Kalories
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!
Kalories
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Looking up nutritional values and calculating down to the individual calorie takes time and effort. Kalories helps you roughly estimate calories instead. Just drag and release to add in steps of 50. Follow your 7 and 30 day average to stay motivated. Here are some foods that might be useful as reference points: A fruit: 100 calories An egg: 100 calories Milk 1dl / 0,45 cups: 100 calories Soup 1dl / 0,45 cups: 100 calories Pasta 100g / 3.5oz: 150 calories Rice 100g / 3.5oz: 150 calories Potato 100g / 3.5oz: 100 calories Broccoli & carrot 100g / 3.5oz: 50 calories Chocolate & candy 100g / 3.5oz: 550 calories Chips/crisps 100g / 3.5oz: 500 calories McDonalds Big Mac: 500 calories McDonalds cheeseburger: 300 calories McDonalds small fries: 250 calories (All calories in kcal) Happy estimating!
Screenshots
Verdict
The clearest difference is price: BACtrack at Free against Kalories's $1.99. BACtrack also leads on update cadence (fortnightly vs every 30 months). Kalories's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.6). On ads and device support 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
BACtrack is free to download; Kalories costs $1.99 up front. BACtrack sells 1 in-app purchase, starting at $39.99 per year. Kalories asks for nothing beyond the download.
BACtrack ships an update fortnightly, Kalories every 30 months. The most recent releases landed on October 15, 2026 and September 9, 2026 respectively.
| Parameter | BACtrack | Kalories |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.1 (1.4K ratings) — better | — |
| Positive reviews | 26.9% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Fortnightly — better | Every 30 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 130 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | KHN Solutions Inc | Lars Svennbeck |
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
Kalories
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BACtrack
- BACtrack+1 Month trial$39.991 Year
Kalories
No in-app purchases









