# Jumpmaster PRO Study Guide vs DLAB

The clearest difference is review sentiment: Jumpmaster PRO Study Guide at 82% against DLAB's 0%. Jumpmaster PRO Study Guide also leads on chart position (#65 vs unranked) and iOS requirement (13.1 vs 15.1). DLAB'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.

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

Jumpmaster PRO Study Guide ships an update every 3 months, DLAB fortnightly. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Jumpmaster PRO Study Guide | DLAB |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (287 ratings)](https://appshunter.io/ios/app/jumpmaster-pro-study-guide/id476837843/reviews)** | — |
| Number of ratings | **287** | — |
| Positive reviews | **81.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#65** | — |
| Size | 678 MB | 21 MB |
| Requires iOS | **13.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [Onanen Ventures LLC](https://appshunter.io/developer/1803525458) |

## What reviewers say

### Jumpmaster PRO Study Guide

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

**Currently charting:** #65 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


### DLAB

[App page](https://appshunter.io/ios/app/dlab/id6743597407)

Prepare for the Defense Language Aptitude Battery (DLAB) with this comprehensive study tool. It offers interactive lessons, grammar reviews, and realistic practice tests, including audio-based questions and Esperanto content, to improve your language learning and boost your score.

**Highlights:** Interactive grammar lessons, Audio-based practice questions, DLAB-specific content, Esperanto questions, Stress & Tones practice, Language Rules review

**Features:** macOS Compatibility

**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 DLAB free?

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

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

Neither Jumpmaster PRO Study Guide nor DLAB shows ads.

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

Jumpmaster PRO Study Guide ships an update every 3 months, and DLAB fortnightly. Most recently, Jumpmaster PRO Study Guide was updated on October 12, 2026 and DLAB on September 24, 2026.

---

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