# DAWN Inspector - CARB Approved

> CARB-approved vehicle emissions testing utility. (iPhone/iPad app by HEM Data Corporation.)

- Source: https://appshunter.io/ios/app/dawn-inspector-carb-approved/id6449002686 (this page in markdown: same URL + `.md`)
- Developer: [HEM Data Corporation](https://appshunter.io/developer/1654791950)
- Category: Utilities, Business
- Price: Free
- Rating: 4.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 2 MB
- Languages: American English
- Released: 2023-05-17
- Data updated: 2026-09-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dawn-inspector-carb-approved/id6449002686/reviews.md

## What is DAWN Inspector?

DAWN OBD Inspector™ CARB-approved version

Attach the hardware to the vehicle network connector, turn on the engine, and open the app. Complete the test within 2 minutes.

## Key features

- CARB-approved emissions testing
- Vehicle network connection
- Quick 2-minute test completion
- Engine on test initiation
- Hardware attachment required

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/dawn-inspector-carb-approved/id6449002686/reviews.md

### 5/5 — Review

*2026-08-29*

Very easy to use test done fast and hassle free I like how all I need is my smart phone no need for extra bulky equipment

### 3/5 — Lags too much

*2025-05-01*

It’s easy to use but lags a lot

## Frequently asked questions about DAWN Inspector

### What is DAWN Inspector used for?

DAWN Inspector is used to perform CARB-approved emissions tests on vehicles. It connects to the vehicle's network to complete the test within 2 minutes.

### How long does the emissions test take with DAWN Inspector?

The complete test process with DAWN Inspector is designed to take within 2 minutes.

### Does DAWN Inspector require any hardware?

Yes, DAWN Inspector requires you to attach specific hardware to the vehicle's network connector to function.

### What is the rating for DAWN Inspector?

DAWN Inspector has a rating of 4.0 stars based on 2 user ratings.

### Is DAWN Inspector free to use?

Yes, DAWN Inspector is available for free.

### What devices support DAWN Inspector?

DAWN Inspector supports iPhone, iPad, and iPod devices.

### When was DAWN Inspector last updated?

The latest version of DAWN Inspector was updated on May 4, 2026.

### What is the age rating for DAWN Inspector?

DAWN Inspector has an age rating of 4+.

## Version history (last 5 releases)

### 1.3.0 — 2026-08-28

same as 1.3 including server update

### 1.3 — 2026-08-27

Very minor update: app now declares source address for Mini Streamer on J1939 networks.

### 1.2 — 2026-05-04

CARB results can be viewed in the app in the Uploads Tab.

### 1.1 — 2025-11-12

This versions allows users to enter VINs that are under the standard 17 characters.

### 1.0 — 2024-12-11

Added the option for user to show/hide password on Login screen

If the user accidentally deletes the IP address on the Login screen, the app will use the default IP address.

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## More apps by HEM Data Corporation

- [DAWN Pre-Check](https://appshunter.io/ios/app/dawn-pre-check/id6463430861)

All apps by HEM Data Corporation: https://appshunter.io/developer/1654791950

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*