# BACtrack vs Pavlok

The clearest difference is review sentiment: Pavlok at 69% against BACtrack's 27%. Pavlok also leads on rating (4.5 vs 4.1) and device support (3 vs 1). On price, ratings volume, 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 and Pavlok sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Pavlok holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 1.4K and 3.1K respectively. Written reviews point the same way: 27% of BACtrack's written reviews are positive against 69% of Pavlok's.

BACtrack ships an update fortnightly, Pavlok every 2 weeks. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BACtrack | Pavlok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.4K ratings)](https://appshunter.io/ios/app/bactrack/id553347498/reviews) | **[4.5 (3.1K ratings)](https://appshunter.io/ios/app/pavlok/id1537943606/reviews)** |
| Number of ratings | 1.4K | **3.1K** |
| Positive reviews | 26.9% of reviews | **69.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 130 MB | 291 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [KHN Solutions Inc](https://appshunter.io/developer/553347501) | [Behavioral Technology Group, INC.](https://appshunter.io/developer/926394000) |

## 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


### Pavlok

[App page](https://appshunter.io/ios/app/pavlok/id1537943606)

This app helps you build better habits and break bad ones through advanced tracking and behavior reinforcement. It integrates with a wearable device for immediate feedback and offers personalized insights, community support, and rewards to motivate your self-improvement journey.

**Highlights:** Habit tracking and progress monitoring, Pavlok wristband integration for feedback, Personalized insights with machine learning, Community support and shared progress, Rewards and motivation system

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Challenge Monthly | $9.99 | per month |
| Ai Coach Monthly Access | $9.99 | per month |
| Premium Yearly | $29.99 | per year |
| Ai Coach Yearly Access | $99.99 | per year |
| Shock Clock3 Update | $49.99 | one-time |

**What reviewers like**

- 🚀 Effectively wakes up heavy sleepers
- 👍 Customizable alarm settings
- 🚀 Reliable alarm function
- 👍 Helps establish morning routine
- 👍 Useful for those with hearing loss

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🐛 Unreliable app functionality
- 🔋 Battery life concerns
- 🐛 Syncing issues between device and app
- 🐛 Glitchy app updates

**Reported bugs**

- Alarms disappearing or not working
- Frequent app crashes and disconnections
- Inability to log in or create new accounts
- Sleep tracking data not syncing properly
- Inconsistent shock/vibration functionality

**Requested features**

- Integration with health/fitness apps
- More customization options for alarms and habits
- Standalone device functionality without app
- Improved battery life and charging
- Better app stability and user experience


## Frequently asked questions

### Is BACtrack free?

BACtrack is free to download, with in-app purchases available.

### Is Pavlok free?

Pavlok is free to download, with in-app purchases available.

### Which has better reviews, BACtrack or Pavlok?

Pavlok is rated higher. BACtrack averages 4.1 out of 5 from 1.4K ratings, while Pavlok averages 4.5 from 3.1K ratings.

### Do BACtrack or Pavlok have ads?

Neither BACtrack nor Pavlok shows ads.

### Which is updated more often, BACtrack or Pavlok?

BACtrack ships an update fortnightly, and Pavlok every 2 weeks. Most recently, BACtrack was updated on October 17, 2026 and Pavlok on October 19, 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.*