# BACtrack vs Ketone Meter Breathalyzer

The clearest difference is rating: BACtrack at 4.2 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.

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.

BACtrack holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: BACtrack has 1.5K 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BACtrack | Ketone Meter Breathalyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (1.5K ratings)](https://appshunter.io/ios/app/bactrack/id553347498/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/ketone-meter-breathalyzer/id6448868757/reviews) |
| Number of ratings | **1.5K** | 4 |
| Positive reviews | **26.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 81 MB | 47 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [KHN Solutions Inc](https://appshunter.io/developer/553347501) | [ReFleX Wireless Inc.](https://appshunter.io/developer/666581212) |

## What reviewers say

### BACtrack

[App page](https://appshunter.io/ios/app/bactrack/id553347498)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BACtrack+ | $39.99 | per year |

**What reviewers like**

- 💡 Helpful yardstick
- 🚀 Works as expected
- 👍 Great product

**What reviewers complain about**

- 🐛 App crashes or doesn't work
- 🔋 Battery issues
- 🔒 Privacy concerns with required account
- 👎 App updates make it worse
- 👎 Inconsistent or inaccurate readings

**Reported bugs**

- App won't get past registration screen
- Firmware update issues
- Bluetooth connectivity problems
- App crashes or freezes

**Requested features**

- Bring back Apple Watch app
- More drink options
- Countdown timer for blowing
- Ability to add custom drinks
- Battery level indicator


### Ketone Meter Breathalyzer

[App page](https://appshunter.io/ios/app/ketone-meter-breathalyzer/id6448868757)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 4.2 out of 5 from 1.5K 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 2 weeks. Most recently, BACtrack was updated on October 24, 2026 and Ketone Meter Breathalyzer on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*