# BACtrack vs 1byone ヘルスケア +

The clearest difference is rating: BACtrack at 4.1 against 1byone ヘルスケア +'s 1.0. BACtrack also leads on ratings volume (1.4K vs 6) and review sentiment (27% vs 17%). 1byone ヘルスケア +'s advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. BACtrack sells 1 in-app purchase, starting at $39.99 per year. 1byone ヘルスケア + asks for nothing beyond the download.

BACtrack holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: BACtrack has 1.4K ratings behind it against 6, 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 17% of 1byone ヘルスケア +'s.

BACtrack ships an update fortnightly, 1byone ヘルスケア + every 8 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BACtrack | 1byone ヘルスケア + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (1.4K ratings)](https://appshunter.io/ios/app/bactrack/id553347498/reviews)** | [1.0 (6 ratings)](https://appshunter.io/ios/app/1byone-plus/id1433884025/reviews) |
| Number of ratings | **1.4K** | 6 |
| Positive reviews | **26.9% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 130 MB | 34 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | +12 |
| Developer | [KHN Solutions Inc](https://appshunter.io/developer/553347501) | [Shenzhen Lefu Scale Co., Ltd.](https://appshunter.io/developer/1267775489) |

## 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


### 1byone ヘルスケア +

[App page](https://appshunter.io/ios/app/1byone-plus/id1433884025)

Monitor key health metrics like weight, body fat, and BMI with detailed graphs. Share your progress across platforms and sync data with Apple Health for a comprehensive view of your well-being.

**Highlights:** Track weight, body fat, muscle mass, BMI, and more, View detailed measurement data and historical trends, Sync data with Apple Health, Share progress via Facebook, Twitter, email, and SMS, Save data as TXT files, Customize user profiles

**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 1byone ヘルスケア + free?

1byone ヘルスケア + is free to download, with no in-app purchases.

### Which has better reviews, BACtrack or 1byone ヘルスケア +?

BACtrack is rated higher. BACtrack averages 4.1 out of 5 from 1.4K ratings, while 1byone ヘルスケア + averages 1.0 from 6 ratings.

### Do BACtrack or 1byone ヘルスケア + have ads?

Neither BACtrack nor 1byone ヘルスケア + shows ads.

### Which is updated more often, BACtrack or 1byone ヘルスケア +?

BACtrack ships an update fortnightly, and 1byone ヘルスケア + every 8 days. Most recently, BACtrack was updated on October 15, 2026 and 1byone ヘルスケア + on October 6, 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.*