Comparison

Jumpmaster PRO Study Guide vs EODynamics AR Ordnance Library

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

Head to head
About

Jumpmaster PRO Study Guide

Prepare for Jumpmaster School with over 1500 questions and flashcards covering parachute components, jumpmaster duties, safety procedures, and aircraft operations. Track your study and test progress with this advanced training aid.

Highlights
  • 1500+ Questions & Flashcards
  • Covers TC 3-21.220 W/C1
  • Parachute Component Nomenclature
  • Jumpmaster Duties & Responsibilities
  • Safety Procedures for Rigging
  • Study and Test Progress Tracking
  • Switch to TC 3-21.220 Easily
Currently charting
Read full description

JUMPMASTER SCHOOL IS HARD! GIVE YOURSELF AN EDGE. This app has over 1500 Questions and Nomenclature Flashcards. Includes TC 3-21.220 W/C1. The app covers: 1. Nomenclature and characteristics of parachute components 2. The duties and responsibilities of the jump master 3 The safety procedures for rigging individual equipment 4. Procedures for rigging containers and door bundles 5. Duties of a drop zone safety officer 6. Presentation of jumpmaster briefings and pre-jump training 7. The Jumpmaster Personnel Inspection 8. Execution of jumpmaster duties from a USAF aircraft in flight during a day slick jump. This app will track both your study and test progress for all subjects. It will also allow to to switch to TC 3-21.220 with a single tap of your finger. The Jumpmaster Study Guide app is built using ForceReadiness.com's M-Training System - the most advanced training system available for mobile devices. NOTE: This is NOT the official US Army Jumpmaster School app. Please download the official app too. It contains some basic administrative information not found in this app. This app is specifically designed as a study aid for Jumpmaster School. It's a tough school. Every study aid will help.

About

EODynamics AR Ordnance Library

Explore a realistic 3D library of ordnance items using augmented reality. This educational tool allows professionals and trainees to interact with detailed models of munitions and unexploded ordnance without physical risk. Continuously updated with new models, it offers a safer method for ordnance education and identification.

Highlights
  • Interactive 3D ordnance models
  • Augmented Reality (AR) visualization
  • Detailed ordnance identification
  • Safe ordnance education
  • Continuous model updates
  • Real-world environment projection
Features
Read full description

EODynamics Ordnance Library is a groundbreaking Augmented Reality (AR) application, specifically designed to provide an interactive 3D visualization of various ordnance items to aid Explosive Ordnance Disposal (EOD) and Mine Action personnel. This application will require a subscription in order to have full access. Requires a network connection to download updated models after installation. EODynamics Ordnance Library hosts a library of 3D models of global ordnance items, ranging from small arms ammunitions to large caliber shells, mines, and other unexploded ordnance (UXO). Each item is meticulously designed to provide an immersive and realistic representation, including intricate details and markings. We are continuously adding to the library and would love to hear from you what you would like to see next. Email us at eodapplication.main@gmail.com for feedback and questions. The app integrates cutting-edge AR technology, allowing users to project these ordnance items into their real-world environment. It enables users to rotate, zoom, exploring their design, construction, and components without physical risks. This application aims to provide an innovative, interactive, and safer method for ordnance education and identification. Whether you're a professional in the field or a trainee, EODynamics Ordnance Library is the next-level tool for modern-day ordnance libraries. Note: EODynamics Ordnance Library is not a substitute for professional training and consultation. Always follow established safety protocols when dealing with potential explosives. End User License Agreement can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Jumpmaster PRO Study Guide4 screens
EODynamics AR Ordnance Library3 screens

Verdict

The call

The clearest difference is review sentiment: Jumpmaster PRO Study Guide at 82% against EODynamics AR Ordnance Library's 0%. Jumpmaster PRO Study Guide also leads on ratings volume (287 vs 1) and chart position (#67 vs unranked). EODynamics AR Ordnance Library's advantage is price (Free vs $4.99) and rating (5.0 vs 4.7). On ads, in-app purchases 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

EODynamics AR Ordnance Library is free to download; Jumpmaster PRO Study Guide costs $4.99 up front. Jumpmaster PRO Study Guide sells 1 one-off in-app purchase and EODynamics AR Ordnance Library sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

EODynamics AR Ordnance Library holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Jumpmaster PRO Study Guide has 287 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 82% of Jumpmaster PRO Study Guide's written reviews are positive against 0% of EODynamics AR Ordnance Library's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Jumpmaster PRO Study Guide ships an update every 3 months, EODynamics AR Ordnance Library every 6 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

Scorecard8 real differences · 3 level
Jumpmaster PRO Study Guide versus EODynamics AR Ordnance Library: the parameters behind the verdict, then further details
ParameterJumpmaster PRO Study GuideEODynamics AR Ordnance Library
Price$4.99Free — better
Rating4.7 (287 ratings)5.0 (1 ratings) — better
Positive reviews81.6% of reviews — better0.0% of reviews
Number of ratings287 — better1
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid — betterSubscription
Best chart rank#67 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.1 — better15.0
Further details — not scored
Size678 MB122 MB
Age rating12+17+
DeveloperForceReadiness.comEODynamics AB

Customer experience

Jumpmaster PRO Study Guide

All ratings287 ratings
Positive93.7%
Neutral1.7%
Negative4.5%
Written reviews49 reviews
Positive81.6%
Neutral10.2%
Negative8.2%

EODynamics AR Ordnance Library

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Jumpmaster PRO Study Guide

Reported bugs

11 issues
  • Nomenclature given in plural instead of singular
  • Prejump audio not up to date with current JM course
  • Minor errors in T-11 line by line section of prejump
  • T-11 deficiencies do not match current JM study guide
  • Some parts are outdated and some nomenclature missing
Show 6 more
  • Some nomenclature spelling wrong
  • Army parachute log record isn't in any of the nomenclatures
  • Numbers show up very fuzzy
  • A few missing equipment in the nomenclature section
  • Some pictures of equipment are pixelated and fuzzy
  • Some answers on the tests are wrong

Requested features

12 requests
  • Update Prejump, nomenclature, and deficiencies for the MAY 2025 book
  • Include new Mole 4000
  • Add single pin reserve for testing
  • Update pre-jump with 4th point of performance regarding 1-3 arm length slips
  • Option to repeat audio classes
Show 7 more
  • Allow audio to play in the background
  • Include a door check sequence for a C-17
  • Add pictures of each deficiency
  • Allow users to see an item and type in the correct response
  • Create an app for Pathfinder school
  • Include MC-6 and MC-1 nomenclature
  • Offer both Fort Benning and Fort Bragg pre-jump versions

EODynamics AR Ordnance Library

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Jumpmaster PRO Study Guide

One-time1
  • JM PRO+ Pack$1.99
4 purchases

EODynamics AR Ordnance Library

Subscriptions2
  • Monthly Subcription$1.491 Month
  • Yearly Subscription$11.991 Year
One-time2
  • Early Access Lifetime UnlockFree
  • Permanent Unlock$59.99

Questions

Is Jumpmaster PRO Study Guide free?
Jumpmaster PRO Study Guide costs $4.99, and also offers in-app purchases.
Is EODynamics AR Ordnance Library free?
EODynamics AR Ordnance Library is free to download, with in-app purchases available.
Which has better reviews, Jumpmaster PRO Study Guide or EODynamics AR Ordnance Library?
EODynamics AR Ordnance Library is rated higher. Jumpmaster PRO Study Guide averages 4.7 out of 5 from 287 ratings, while EODynamics AR Ordnance Library averages 5.0 from 1 ratings.
Do Jumpmaster PRO Study Guide or EODynamics AR Ordnance Library have ads?
Neither Jumpmaster PRO Study Guide nor EODynamics AR Ordnance Library shows ads.
Which is updated more often, Jumpmaster PRO Study Guide or EODynamics AR Ordnance Library?
Jumpmaster PRO Study Guide ships an update every 3 months, and EODynamics AR Ordnance Library every 6 weeks. Most recently, Jumpmaster PRO Study Guide was updated on October 26, 2026 and EODynamics AR Ordnance Library on October 6, 2026.

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