Comparison

Physical Science vs SJT Prep

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

Head to head
About

Physical Science

Features
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Science Animations: Physical Science Animations for Secondary School will learners to get a better understanding of concepts in Physical Science subjects. The concepts are explained in a visual, dynamic and interactive way. This app does not replace the teacher or handbook but is a valuable additional source for teachers. It is also important that learners should play on their own with this app. Topics covered by the app include the following: Forces and Vectors; Stress and Pressure; Moment of force and torque; Velocity and Acceleration; Gravitation and planets; Momentum and Impulse; Energy; Waves and Oscillations; Basic Electric Circuit; Kinetic theory of Gasses; and Stereoscopy.

About

SJT Prep

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Walk into the Casper test knowing exactly what's coming. Practice the real 2026-27 Casper format - timed video responses and typed scenarios - with instant AI scoring on every answer. WHAT IS THE CASPER TEST? Casper is a situational judgment test (SJT) used by 600+ university programs across medicine, nursing, physician assistant (PA), dental, veterinary and education admissions in the US, Canada and Australia. The current format is 11 scenarios: 4 video-response scenarios (1 minute to record each answer) and 7 typed-response scenarios (3.5 minutes for two answers). Trained raters score each scenario from 1-9 and your result is reported as a quartile. CASPER PRACTICE THAT MATCHES TEST DAY - 350+ Casper practice questions across video-based and word-based scenarios - Typed-response mode with the authentic 3.5-minute clock - Instant AI marking on the 1-9 scale with an estimated quartile - Feedback across all nine competencies: collaboration, communication, empathy, fairness, ethics, motivation, problem solving, resilience and self-awareness - Model answers showing what a top-quartile response looks like - Progress tracking by competency so you drill your weakest areas first HOW IT WORKS 1. Pick a scenario - video-based or word-based 2. Reflect for 30 seconds, then answer under the real time limit 3. Get your AI score, quartile estimate and competency feedback in seconds 4. Review model answers and retry your weakest competencies WHO IT'S FOR Premed students preparing for medical school admissions, plus applicants to nursing school, PA school, dentistry, veterinary medicine, teachers college and any program that requires the Casper test or another situational judgment test. Great alongside MMI (multiple mini interview) practice - the same competencies apply. WHY CASPER PREP MATTERS Casper is one sitting, once per cycle, with no retakes - and your score is ranked against everyone else in your cohort. Familiarity with the format and the clock is the one variable you fully control. Casperยฎ is a registered trademark of Acuity Insights Inc. and an official mark of McMaster University. This app is an independent, unofficial study aid. It is not affiliated with, endorsed by, or sponsored by Acuity Insights, Altus Assessments, or McMaster University, and it does not contain real Casper test content. Source: All situations are human generated based on the source and format required by Casper. https://intercom.help/acuityinsights/en/articles/4733606-how-is-the-casper-test-scored-and-evaluated https://intercom.help/acuityinsights/en/articles/4731665-what-is-the-casper-test-format-and-length Terms of Use: https://alphabeat.co.uk/terms-and-conditions Privacy Policy: https://alphabeat.co.uk/privacy-policy

Screenshots

Physical Science4 screens
SJT Prep4 screens

Verdict

The call

The clearest difference is price: SJT Prep at Free against Physical Science's $15.99. Physical Science's advantage is in-app purchases (none vs 3). On update cadence, 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

SJT Prep is free to download; Physical Science costs $15.99 up front. SJT Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Physical Science asks for nothing beyond the download.

UpkeepUpdate frequency

Physical Science ships an update every 3 months, SJT Prep every 2 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard2 real differences ยท 4 level
Physical Science versus SJT Prep: the parameters behind the verdict, then further details
ParameterPhysical ScienceSJT Prep
Price$15.99Free โ€” better
Update frequencyEvery 3 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size45 MB102 MB
Age rating4+4+
DeveloperWillie van SchalkwykAlpha Beat Limited

In-app purchases

None

Physical Science

No in-app purchases

3 purchases

SJT Prep

Subscriptions2
  • Weekly$6.997 Days
  • Monthly3 Days trial$19.991 Month
One-time1
  • Lifetime$49.99

Questions

Is Physical Science free?
Physical Science costs $15.99, with no in-app purchases.
Is SJT Prep free?
SJT Prep is free to download, with in-app purchases available.
Do Physical Science or SJT Prep have ads?
Neither Physical Science nor SJT Prep shows ads.
Which is updated more often, Physical Science or SJT Prep?
Physical Science ships an update every 3 months, and SJT Prep every 2 months. Most recently, Physical Science was updated on October 12, 2026 and SJT Prep on October 24, 2026.

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