# SOBRDRIVE vs DUI Assist

The clearest difference is update cadence: SOBRDRIVE at monthly against DUI Assist's every 20 months. DUI Assist's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SOBRDRIVE ships an update monthly, DUI Assist every 20 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SOBRDRIVE | DUI Assist |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 20 months |
| Monetization | Free | — |
| Size | 34 MB | 30 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Driven By Safety Inc.](https://appshunter.io/developer/720808698) | [Drennan Software LLC](https://appshunter.io/developer/1580253130) |

## What reviewers say

### SOBRDRIVE

[App page](https://appshunter.io/ios/app/sobrdrive/id1518000597)

This personal BAC monitoring system aids in preventing drunk driving and underage drinking. It combines accurate breathalyzer technology with data capture and sharing for comprehensive prevention programs.

**Highlights:** Personal BAC monitoring, Drunk driving prevention, Underage drinking prevention, Fuel-cell breathalyzer technology, Comprehensive data capture and sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DUI Assist

[App page](https://appshunter.io/ios/app/dui-assist/id6444084624)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SOBRDRIVE free?

SOBRDRIVE is free to download, with no in-app purchases.

### Is DUI Assist free?

DUI Assist is free to download, with no in-app purchases.

### Do SOBRDRIVE or DUI Assist have ads?

Neither SOBRDRIVE nor DUI Assist shows ads.

### Which is updated more often, SOBRDRIVE or DUI Assist?

SOBRDRIVE ships an update monthly, and DUI Assist every 20 months. Most recently, SOBRDRIVE was updated on October 29, 2026 and DUI Assist on October 28, 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.*