# Cargo Decoder Plus vs Chemdata

The clearest difference is price: Chemdata at Free against Cargo Decoder Plus's $1.99. Chemdata also leads on iOS requirement (14.0 vs 16.6). Cargo Decoder Plus's advantage is update cadence (monthly vs every 19 months) and chart position (#45 vs unranked). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Chemdata 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 ships an update monthly, Chemdata every 19 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Cargo Decoder Plus | Chemdata |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/cargo-decoder-plus/id520387030/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **71.4% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#45** | — |
| Size | 28 MB | 49 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Strategies In Software](https://appshunter.io/developer/520387033) | [Ricardo-AEA ltd](https://appshunter.io/developer/691094634) |

## What reviewers say

### Cargo Decoder Plus

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

**Currently charting:** #45 Top Paid · Reference (US App Store)

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


### Chemdata

[App page](https://appshunter.io/ios/app/chemdata/id849758854)

Access a comprehensive chemical hazard database offline for incident management. Provides detailed information on over 62,000 chemicals, including safety, transport, and emergency response guidance. Offers multilingual support and regular updates.

**Highlights:** Offline chemical database access, Hazardous chemical identification, Incident command support, Transport classification, Personal Protective Equipment (PPE) guidance, Multilingual support (EN, NL, FR, DE, ES)

**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 Chemdata free?

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

### Do Cargo Decoder Plus or Chemdata have ads?

Neither Cargo Decoder Plus nor Chemdata shows ads.

### Which is updated more often, Cargo Decoder Plus or Chemdata?

Cargo Decoder Plus ships an update monthly, and Chemdata every 19 months. Most recently, Cargo Decoder Plus was updated on September 14, 2026 and Chemdata on September 17, 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.*