# Jumpmaster PRO Study Guide vs EODynamics AR Ordnance Library

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.

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.

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.

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.

## The numbers

| Metric | Jumpmaster PRO Study Guide | EODynamics AR Ordnance Library |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (287 ratings)](https://appshunter.io/ios/app/jumpmaster-pro-study-guide/id476837843/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eodynamics-ar-ordnance-library/id6463098647/reviews)** |
| Number of ratings | **287** | 1 |
| Positive reviews | **81.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Paid** | Subscription |
| Best chart rank | **#67** | — |
| Size | 678 MB | 122 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [EODynamics AB](https://appshunter.io/developer/1703939712) |

## What reviewers say

### Jumpmaster PRO Study Guide

[App page](https://appshunter.io/ios/app/jumpmaster-pro-study-guide/id476837843)

**Currently charting:** #67 Top Paid · Education (US App Store)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JM PRO+ Pack | $1.99 | one-time |

**What reviewers like**

- 👍 Very helpful study tool
- 🚀 Great for on-the-go studying
- 💡 Makes memorization easier
- ✅ Helps pass JM course
- 📚 Good for nomenclature and deficiencies

**What reviewers complain about**

- ⚠️ Pre-jump section outdated
- 🔄 Needs frequent updates
- ❌ Some nomenclature incorrect/missing
- 🖼️ Fuzzy/pixelated images
- 📍 Differences between school locations (Bragg vs. Benning)

**Reported bugs**

- 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

**Requested features**

- 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


### EODynamics AR Ordnance Library

[App page](https://appshunter.io/ios/app/eodynamics-ar-ordnance-library/id6463098647)

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:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subcription | $1.49 | per month |
| Yearly Subscription | $11.99 | per year |
| Early Access Lifetime Unlock | Free | one-time |
| Permanent Unlock | $59.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*