# Cargo Decoder Plus vs DOT Chart 17

The clearest difference is review sentiment: Cargo Decoder Plus at 71% against DOT Chart 17's 0%. Cargo Decoder Plus also leads on rating (4.3 vs 2.3) and update cadence (monthly vs every 10 months). DOT Chart 17's advantage is price (Free vs $1.99) and iOS requirement (11.0 vs 16.6). On ratings volume, ads, in-app purchases and device support there is nothing between them.

DOT Chart 17 is free to download; Cargo Decoder Plus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cargo Decoder Plus holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 71% of Cargo Decoder Plus's written reviews are positive against 0% of DOT Chart 17's.

Cargo Decoder Plus ships an update monthly, DOT Chart 17 every 10 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Cargo Decoder Plus | DOT Chart 17 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/cargo-decoder-plus/id520387030/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/dot-chart-17/id1245251292/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Paid | **Free** |
| Size | 28 MB | 20 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Strategies In Software](https://appshunter.io/developer/520387033) | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) |

## What reviewers say

### Cargo Decoder Plus

[App page](https://appshunter.io/ios/app/cargo-decoder-plus/id520387030)

Instantly identify hazardous materials by their 4-digit DOT placard number. Access comprehensive safety information from multiple Emergency Response Guidebook editions, even offline. Quickly search by number or material name for critical details.

**Highlights:** Identify materials by DOT placard number, Access ERG 2024, 2020, 2016, 2012 editions, Search by UN/NA placard number or material name, View protective distance and toxic inhalation hazards, Offline access, no network required, Learn about GHS classification and labeling

**Features:** Vision Pro support

**In-app purchases:** none


### DOT Chart 17

[App page](https://appshunter.io/ios/app/dot-chart-17/id1245251292)

Access a full-color display of hazardous materials markings, labels, and placards. This app provides quick visual information and regulatory citations for shippers and carriers. It serves as a general guidance tool for hazardous materials regulations.

**Highlights:** Full-color display of markings, labels, and placards, Access to Hazardous Materials Regulations (HMR) citations, Quick visual information for shippers and carriers, Mobile access to DOT Chart-17, Guidance on 49 CFR Parts 171-180

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cargo Decoder Plus free?

Cargo Decoder Plus costs $1.99, with no in-app purchases.

### Is DOT Chart 17 free?

DOT Chart 17 is free to download, with no in-app purchases.

### Which has better reviews, Cargo Decoder Plus or DOT Chart 17?

Cargo Decoder Plus is rated higher. Cargo Decoder Plus averages 4.3 out of 5 from 6 ratings, while DOT Chart 17 averages 2.3 from 3 ratings.

### Do Cargo Decoder Plus or DOT Chart 17 have ads?

Neither Cargo Decoder Plus nor DOT Chart 17 shows ads.

### Which is updated more often, Cargo Decoder Plus or DOT Chart 17?

Cargo Decoder Plus ships an update monthly, and DOT Chart 17 every 10 months. Most recently, Cargo Decoder Plus was updated on September 14, 2026 and DOT Chart 17 on September 10, 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.*