Comparison

AOSB vs ATC Aptitude Test Prep

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

Head to head
About

AOSB

Features
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Prepare for the Army Officer Selection Board with focused practice tests designed to build speed, accuracy, and confidence. This app helps you practise key assessment areas including Numeracy, Verbal Reasoning, Abstract Reasoning, and Data Interpretation. Each test is timed, giving you realistic pressure while helping you identify areas to improve. Features include: โ€ข Timed Numeracy tests covering arithmetic, percentages, ratios, speed-distance-time, and data interpretation โ€ข Verbal Reasoning practice with true, false, and can't tell questions โ€ข Abstract Reasoning tests with generated shape-pattern questions โ€ข Results summary showing correct answers, wrong answers, and score โ€ข Review panel for mistakes, including screenshots and explanations where available โ€ข Clean, simple interface designed for quick practice sessions

About

ATC Aptitude Test Prep

Features
Read full description

ATC Exam Prep helps air traffic controller candidates practise the cognitive skills used in ATC selection, including memory, spatial reasoning, attention, numeracy, logic, and multitasking, in short, focused sessions. Choose your target assessment and get a daily plan shaped to your timeline and experience. Drill the skills that matter, track your progress, and build confidence before test day. WHAT YOU CAN TRAIN - Memory: digit span, recall, callsign memory, and more - Spatial: orientation, rotation, coordinates, and visual relationships - Attention: scanning, signal watch, conflict detection - Numerical: mental arithmetic and word problems - Logic: patterns, rules, and reasoning - Multitasking: divided attention and dual-task drills BUILT FOR YOUR PATHWAY Personalised prep for: - FEAST - FAA AT-SA - NATS - NAV CANADA - Airservices Australia - General ATC aptitude practice HOW IT WORKS - Pick your assessment during onboarding - Follow today's recommended drills on the home screen - Read the built-in exam guide for context on what to expect - Run practice sessions, full mock exams, and stamina sittings - See progress trends and weak-spot focus over time DESIGNED TO STAY OUT OF YOUR WAY No social feeds, leaderboards, or clutter. Open the app, train, and close it. Exercises mirror timed psychometric patterns used in ATC selection, not live radar simulations. OFFLINE PRACTICE Once set up, train on your schedule. Your profile, sessions, and progress stay on your device. PRO UNLOCKS Upgrade for the full module library, guided pathway, mock exams with debrief, playlists, session history, and deeper weak-spot coaching. IMPORTANT ATC Exam Prep is an independent training aid. It is not affiliated with or endorsed by FEAST, FAA AT-SA, NATS, NAV CANADA, Airservices Australia, or any official assessment provider. Scores in this app do not guarantee performance on official tests. Always follow instructions from your recruiting organisation. Made in the United Kingdom for candidates worldwide.

Screenshots

AOSB4 screens
ATC Aptitude Test Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: AOSB at none against ATC Aptitude Test Prep's 1. ATC Aptitude Test Prep's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ATC Aptitude Test Prep sells 1 one-off in-app purchase. AOSB asks for nothing beyond the download.

UpkeepUpdate frequency

AOSB ships an update every 2 weeks, ATC Aptitude Test Prep daily. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard2 real differences ยท 4 level
AOSB versus ATC Aptitude Test Prep: the parameters behind the verdict, then further details
ParameterAOSBATC Aptitude Test Prep
PriceFreeFree
Update frequencyEvery 2 weeksDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.6 โ€” better16.4
Further details โ€” not scored
Size12 MB58 MB
Age rating4+4+
DeveloperGeorge LeeJoseph Halls

In-app purchases

None

AOSB

No in-app purchases

1 purchases

ATC Aptitude Test Prep

One-time1
  • ATC Exam Pro$12.99

Questions

Is AOSB free?
AOSB is free to download, with no in-app purchases.
Is ATC Aptitude Test Prep free?
ATC Aptitude Test Prep is free to download, with in-app purchases available.
Do AOSB or ATC Aptitude Test Prep have ads?
Neither AOSB nor ATC Aptitude Test Prep shows ads.
Which is updated more often, AOSB or ATC Aptitude Test Prep?
AOSB ships an update every 2 weeks, and ATC Aptitude Test Prep daily. Most recently, AOSB was updated on November 5, 2026 and ATC Aptitude Test Prep on November 6, 2026.

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