Comparison

ASTB Prep vs ASTB Study

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

Head to head
About

ASTB Prep

Prepare for military aviation exams with comprehensive lessons, practice tests, and realistic simulators. Track your progress and study offline for the ASTB-E and OAR tests.

Highlights
  • Comprehensive lessons for ASTB-E and OAR
  • 1200+ sample test questions with explanations
  • Adaptive practice tests
  • Realistic PBM simulators (DLT, UAV, TI, RC)
  • Offline content access
  • Progress tracking
  • Controller support for simulators
Read full description

ASTB PREP is a comprehensive study tool for the ASTB-E and OAR military aviation exams, created by a former Naval Officer. Full Access is available as a one-time in-app purchase. Whether you are preparing for Navy, Marine Corps, or Coast Guard aviation selection, ASTB PREP gives you the tools to study efficiently and build confidence before test day. FREE FEATURES • Create a free account • Access introductory lessons covering exam overview, structure, and study strategies • Track your study progress • Sync your progress and access with your ASTB PREP account FULL ACCESS • 81 comprehensive lessons with review sections across all 7 ASTB subtests • 140+ flashcard decks for rapid knowledge reinforcement • 1,200+ sample test questions with detailed explanations • Unlimited adaptive practice tests that target your weak areas • Dichotic Listening Test (DLT) simulator • UAV tracking simulator • Terrain Identification simulator • Rear Cockpit simulator • Hardware-enhanced PBM training for a more realistic practice experience • On iPhone and iPad, train with intuitive on-screen controls or compatible Bluetooth game controllers, including supported Xbox and PlayStation controllers • Performance coaching tools • All content is available offline after download, making ASTB PREP ideal for deployment, travel, and other low-connectivity environments STUDY WITH YOUR ACCOUNT Full Access is tied to your ASTB PREP account. Sign in with the same account to keep your access and study progress synced and available wherever your account is supported. EXISTING CUSTOMERS If you previously purchased ASTB PREP, your access is preserved. Simply sign in or create an account to link your Full Access. ALL 7 ASTB SUBTESTS COVERED • Math Skills Test (MST) • Reading Comprehension Test (RCT) • Mechanical Comprehension Test (MCT) • Aviation and Nautical Information Test (ANIT) • Naval Aviation Trait Facet Inventory (NATFI) • Performance Based Measures (PBM): DLT, UAV, TI, RC • Biographical Inventory with Response Validation (BI-RV) Also covers all 3 OAR subtests: MST, RCT, and MCT. Account required. Free to create. Privacy policy: https://www.iubenda.com/privacy-policy/24362764

About

ASTB Study

Features
Read full description

ASTB Study is a focused iPhone study guide for the Aviation Selection Test Battery (ASTB-E) and related OAR prep. Follow a structured path—learn by unit, practice with quizzes and drills, and track readiness so you know what to review before test day. WHAT YOU GET • One-time purchase ($9.99) — full curriculum included; no subscription and no account required. • Optional $0.99 Academy Midshipman pack (in-app purchase) — Academy Crest + Academy Goat Home Screen icons; cosmetic only; does not unlock content. • 500+ practice questions with explanations across MST, RCT, MCT, ANIT, PBM prep, and scoring guidance. • Six courses with structured learning: units → lessons (article + optional curated video link + practice) → quizzes → unit tests. • Timed mock exams: two full OAR practice batteries plus an ASTB knowledge mock (educational estimates only) • Home study plan paced from your test date, plus resume, daily missions, and weak-skill focus • Practice hub: adaptive miss review, speed round, timed course drills, spaced-repetition flashcards (150+) • Stick & Throttle progressive practice (ATT → VTT → combined → dichotic MTT → EST emergencies) plus directional orientation drills — practice analogs only • Skill mastery and readiness estimates (educational — not official scores) • Progress tab with ranks, XP, badges, and per-area readiness • Local-first — progress stays on your device; core study works offline (lesson videos open in Safari / YouTube / Khan Academy when tapped) WHO IT’S FOR Students and military candidates preparing for Navy, Marine Corps, or Coast Guard aviation selection who want a structured path—not a random question dump. IMPORTANT DISCLAIMER ASTB Study is an independent study aid. It is not affiliated with, endorsed by, or connected to the U.S. Navy, Marine Corps, Coast Guard, Department of Defense, or NAMI. Practice questions and Stick & Throttle / orientation drills are original study materials based on publicly described topic areas. They are not actual exam items and do not recreate official test hardware or scoring. Mock exam percentages and readiness estimates are educational only. Using this app does not guarantee any score or selection outcome. Always verify current requirements with your recruiter and official sources.

Screenshots

ASTB Prep4 screens
ASTB Study4 screens

Verdict

The call

The clearest difference is price: ASTB Prep at Free against ASTB Study's $9.99. ASTB Prep also leads on device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement 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

ASTB Prep is free to download; ASTB Study costs $9.99 up front. ASTB Prep sells 2 one-off in-app purchases and ASTB Study sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ASTB Prep ships an update fortnightly, ASTB Study every 9 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
ASTB Prep versus ASTB Study: the parameters behind the verdict, then further details
ParameterASTB PrepASTB Study
PriceFree — better$9.99
Rating4.9 (454 ratings) — better—
Positive reviews93.6% of reviews—
Number of ratings454 — better—
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size816 MB4 MB
Age rating9+4+
DeveloperAlex HastingsJeremiah Fries

Bugs and requests

ASTB Prep

Reported bugs

2 issues
  • Mechanical comprehension test has 30 questions, not 20
  • Terrain identification section has occasional screen color issues

Requested features

4 requests
  • Option to disable timer for terrain identification
  • Ability to configure duration of correct answer display
  • Add audio for UAV portion to simulate real test experience
  • Include emergency scenario training for UAV

ASTB Study

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

ASTB Prep

One-time2
  • Joystick FunctionalityFree
  • Full Access$39.99
1 purchases

ASTB Study

One-time1
  • Academy Midshipman Pack$0.99

Questions

Is ASTB Prep free?
ASTB Prep is free to download, with in-app purchases available.
Is ASTB Study free?
ASTB Study costs $9.99, and also offers in-app purchases.
Do ASTB Prep or ASTB Study have ads?
Neither ASTB Prep nor ASTB Study shows ads.
Which is updated more often, ASTB Prep or ASTB Study?
ASTB Prep ships an update fortnightly, and ASTB Study every 9 days. Most recently, ASTB Prep was updated on November 7, 2026 and ASTB Study on October 31, 2026.

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