Comparison

COVE App vs ADF Test Trainer (JOA Prep)

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

Head to head
About

COVE App

This platform connects defense members to professional development resources and events. It fosters a community for sharing knowledge, debating ideas, and promoting continuous learning within the profession of arms. Users can contribute their views and experiences to a wider network.

Highlights
  • Access professional military education resources
  • Connect with defense members
  • Share expertise and contest ideas
  • Promote continuous learning
  • Facilitates access to events
Features
Read full description

The Cove is the Australian Army’s professional military education (PME) platform. The Cove facilitates access to resources and events relating to the profession of arms. It also encourages user participation that shares personal views, knowledge and experience. The Cove is designed to connect Defence members to a professional network in order to share expertise, contest ideas and promote continuous learning.

About

ADF Test Trainer (JOA Prep)

Features
Read full description

Optimize your JOA practice with our ADF test preparation platform. 600 Practice Questions: - 22 Numerical Reasoning tests (241 questions) - 22 Verbal Reasoning tests (254 questions) - 9 Abstract Reasoning tests (113 questions) Detailed Solutions: Fully explained solutions teach you why an answer is correct, increasing your overall performance. Test Statistics: Detailed test statistics, progress reports, and performance charts help you track your progress. Simulate the JOA: Practice under real JOA conditions with a total of 4 full-length simulated tests. Mathematical Study Tool: Study most of the basic mathematical theories required for the JOA, such as fractions, decimals, percentages, interest, and algebra. Arithmetic Trainer: Practice unlimited mental calculations. Vocabulary Trainer: Practice 600+ words with the Vocabulary Trainer. Offline practice: All content is available offline. Access on all devices: Access your JOA test prep account offline through the app or online through any PC or Mac browser. All progress is synced online. Our program does NOT simply provide practice questions but accurate JOA preparation materials that resemble the real thing. Terms of Use and Privacy Policy: https://www.army-test.com/terms/app-terms/

Screenshots

COVE App4 screens
ADF Test Trainer (JOA Prep)4 screens

Verdict

The call

The clearest difference is in-app purchases: COVE App at none against ADF Test Trainer (JOA Prep)'s 2. COVE App also leads on iOS requirement (11.0 vs 15.0). ADF Test Trainer (JOA Prep)'s advantage is update cadence (every 6 weeks vs every 4 months). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ADF Test Trainer (JOA Prep) sells 2 in-app purchases, starting at $9.99 per 7 days. COVE App asks for nothing beyond the download.

UpkeepUpdate frequency

COVE App ships an update every 4 months, ADF Test Trainer (JOA Prep) every 6 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard3 real differences Β· 5 level
COVE App versus ADF Test Trainer (JOA Prep): the parameters behind the verdict, then further details
ParameterCOVE AppADF Test Trainer (JOA Prep)
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 4 monthsEvery 6 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 β€” better15.0
Further details β€” not scored
Size156 MB172 MB
Age rating12+4+
DeveloperAustralian Government Department of DefenceSeliant ApS

In-app purchases

None

COVE App

No in-app purchases

2 purchases

ADF Test Trainer (JOA Prep)

Subscriptions2
  • ADF Trainer, Weekly$9.997 Days
  • ADF Trainer, Monthly$14.991 Month

Questions

Is COVE App free?
COVE App is free to download, with no in-app purchases.
Is ADF Test Trainer (JOA Prep) free?
ADF Test Trainer (JOA Prep) is free to download, with in-app purchases available.
Do COVE App or ADF Test Trainer (JOA Prep) have ads?
Neither COVE App nor ADF Test Trainer (JOA Prep) shows ads.
Which is updated more often, COVE App or ADF Test Trainer (JOA Prep)?
COVE App ships an update every 4 months, and ADF Test Trainer (JOA Prep) every 6 weeks. Most recently, COVE App was updated on November 3, 2026 and ADF Test Trainer (JOA Prep) on October 24, 2026.

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