# Jumpmaster PRO Study Guide vs Gunnery

The clearest difference is review sentiment: Jumpmaster PRO Study Guide at 82% against Gunnery's 8%. Jumpmaster PRO Study Guide also leads on rating (4.7 vs 2.2) and ratings volume (287 vs 21). Gunnery's advantage is price (Free vs $4.99) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Gunnery is free to download; Jumpmaster PRO Study Guide costs $4.99 up front. Jumpmaster PRO Study Guide sells 1 one-off in-app purchase. Gunnery asks for nothing beyond the download.

Jumpmaster PRO Study Guide holds the better App Store score, 4.7 against 2.2. That said, the two scores are not equally well evidenced: Jumpmaster PRO Study Guide has 287 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 82% of Jumpmaster PRO Study Guide's written reviews are positive against 8% of Gunnery's.

Jumpmaster PRO Study Guide ships an update every 3 months, Gunnery every 2 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Jumpmaster PRO Study Guide | Gunnery |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (287 ratings)](https://appshunter.io/ios/app/jumpmaster-pro-study-guide/id476837843/reviews)** | [2.2 (21 ratings)](https://appshunter.io/ios/app/gunnery-timer-and-calculator/id1213841158/reviews) |
| Number of ratings | **287** | 21 |
| Positive reviews | **81.6% of reviews** | 8.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Best chart rank | **#76** | — |
| Size | 678 MB | 4 MB |
| Requires iOS | 13.1 | **8.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [TRADOC Mobile](https://appshunter.io/developer/960437358) |

## What reviewers say

### Jumpmaster PRO Study Guide

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

**Currently charting:** #76 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


### Gunnery

[App page](https://appshunter.io/ios/app/gunnery-timer-and-calculator/id1213841158)

This app provides specialized tools for military gunnery. It includes a timer for engagements, a calculator for target points, and a tool to compute engagement modifier points, all designed to assist with DA Form 8265.

**Highlights:** Gunnery Timer, Point Calculator, Engagement Modifier Calculator, DA Form 8265 assistance, Target scoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Jumpmaster PRO Study Guide free?

Jumpmaster PRO Study Guide costs $4.99, and also offers in-app purchases.

### Is Gunnery free?

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

### Which has better reviews, Jumpmaster PRO Study Guide or Gunnery?

Jumpmaster PRO Study Guide is rated higher. Jumpmaster PRO Study Guide averages 4.7 out of 5 from 287 ratings, while Gunnery averages 2.2 from 21 ratings.

### Do Jumpmaster PRO Study Guide or Gunnery have ads?

Neither Jumpmaster PRO Study Guide nor Gunnery shows ads.

### Which is updated more often, Jumpmaster PRO Study Guide or Gunnery?

Jumpmaster PRO Study Guide ships an update every 3 months, and Gunnery every 2 days. Most recently, Jumpmaster PRO Study Guide was updated on October 20, 2026 and Gunnery on October 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.*