Comparison

Cargo Decoder Plus vs Army Engineer Guide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cargo Decoder Plus

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
Read full description

Cargo Decoder is your guide to what is in the truck or tanker next to you on the highway. Enter the 4 digit number from the DOT placard to learn about a material. See details from both the 2024 Emergency Response Guidebook (ERG 2024) If you need them, ERG 2020, ERG 2016 and ERG 2012 are available too. Powerful search capabilities will help you quickly find information by matching just part of the UN/NA placard number or material name. Protective distance information, toxic inhalation hazards, and ERG2020 reference pages are just a touch away for emergency responders and HazMat personnel. A simple touch quickly gets you to the information you need. Cargo Decoder Plus uses no network bandwidth so information will always be available even if your network is not. - Find safety information on hazardous cargo - Search by name or input DOT number - View ERG2024, ERG2020, ERG2016, or ERG2012 reference pages - Access directly on device, no network connection required - Share information with friends and colleagues - Learn about the Globally Harmonized System of Classification and Labeling of Chemicals (GHS)

About

Army Engineer Guide

This app provides essential engineering tools and references for military engineers. It offers unit converters, construction calculators, and planning resources designed for offline use in the field. Access field manuals and helpful links without ads or subscriptions.

Highlights
  • Unit Converters (Metric/US/Military)
  • Construction Calculators (Concrete, Lumber, Excavation, Sandbag)
  • Range Finder
  • Customizable Packing Lists
  • Field Notes Journal
  • Offline Access to Field References
Features
Read full description

Army Engineer Guide, first published in 2012, totally rebuilt and deployed for 2025 by our New School Army project. Army Engineer tools & reference, no ads, no subscriptions, no accounts and log ins, no data collection, just straight gas to get your Essayons On. ESSENTIAL ENGINEERING TOOLS: Unit Converters - Convert between metric and U.S. units for distance, weight, volume, temperature, area, pressure, and speed. Includes specialized military-specific conversions to support field operations. CONSTRUCTION SUPPORT: Concrete Calculator - Calculate concrete volume, bags, and weight for construction projects with precision. Support for rectangular, circular, and L-shaped designs. Lumber & Nails Calculator - Estimate materials needed for wooden structures. Plan efficiently and eliminate waste. Excavation Calculator - Calculate soil volume and equipment requirements for field fortifications and defensive positions. Sandbag Calculator - Sums up the number of sandbags needed to construct a sandbag wall and estimates the time required based on number of people and speed to fill a sandbag. Individual PLANNING: Range Finder - Visualize distances and ranges on tactical maps. Perfect for developing range estimation skills and planning defensive positions. Packing List - Create, customize and share detailed packing lists for engineering missions. Ensure your team has the right equipment every time. Journal - Document lessons learned and keep field notes organized in one secure location. ADDITIONAL RESOURCES: Field References - Quick access to FM 3-34 and other essential engineering references. Helpful Links - Curated web links for Engineers (schoolhouse, Army engineer Association and so on...). FEATURES THAT MATTER: - Zero cloud dependency - your data stays on your device - No account required - download and start immediately - Built-in sharing for calculations and plans - Designed for offline use in the field Perfect for Combat Engineers, Construction Engineers, and Engineer Leaders who need reliable, offline access to technical calculators and planning tools.

Screenshots

Cargo Decoder Plus4 screens
Army Engineer Guide4 screens

Verdict

The call

The clearest difference is review sentiment: Cargo Decoder Plus at 71% against Army Engineer Guide's 33%. Cargo Decoder Plus also leads on update cadence (monthly vs every 3 months). Army Engineer Guide's advantage is price ($0.99 vs $1.99) and iOS requirement (12.0 vs 16.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Cargo Decoder Plus costs $1.99 and Army Engineer Guide $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cargo Decoder Plus ships an update monthly, Army Engineer Guide every 3 months. Both last shipped on November 6, 2026.

Scorecard4 real differences · 6 level
Cargo Decoder Plus versus Army Engineer Guide: the parameters behind the verdict, then further details
ParameterCargo Decoder PlusArmy Engineer Guide
Price$1.99$0.99 — better
Rating4.3 (6 ratings) — better—
Positive reviews71.4% of reviews — better33.3% of reviews
Number of ratings6 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.612.0 — better
Further details — not scored
Size28 MB38 MB
Age rating12+17+
DeveloperStrategies In SoftwarePolemics Applications LLC

Customer experience

Cargo Decoder Plus

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Army Engineer Guide

Written reviews6 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

None

Cargo Decoder Plus

No in-app purchases

None

Army Engineer Guide

No in-app purchases

Questions

Is Cargo Decoder Plus free?
Cargo Decoder Plus costs $1.99, with no in-app purchases.
Is Army Engineer Guide free?
Army Engineer Guide costs $0.99, with no in-app purchases.
Do Cargo Decoder Plus or Army Engineer Guide have ads?
Neither Cargo Decoder Plus nor Army Engineer Guide shows ads.
Which is updated more often, Cargo Decoder Plus or Army Engineer Guide?
Cargo Decoder Plus ships an update monthly, and Army Engineer Guide every 3 months. Most recently, Cargo Decoder Plus was updated on November 6, 2026 and Army Engineer Guide on November 6, 2026.

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