FIVE-SUBJECT PREP TOOLKIT

Expert Prep Apps for
Every Subject You Need

Five AI-powered adaptive apps, digital study guides, and 1-on-1 coaching — all built by a PhD Nuclear Engineer and USAF officer.

● AI-Powered Apps ● Physics ● AI/ML ● SAT/ACT ● Mathematics ● AFOQT
Browse Products ↓ Book Free Intro →
⚛ AFOQT 🔭 Physics 🤖 AI / ML 📝 SAT/ACT 📐 Math
AI-POWERED

AFOQT Adaptive Intelligence App

The only prep app that identifies exactly which question types slow you down — then drills you on those until they become strengths. Built on Dr. Preston’s PhD-level expertise across all 12 AFOQT subtests.

Free Tier
$0
  • 10 questions per day
  • All 12 AFOQT subtests
  • Basic scoring & feedback
  • No account required
Try Free App →
Annual — Save 33%
$79.99 /yr
  • Everything in Monthly
  • Priority support from Dr. Preston
  • Early access to new features
  • Best value for full prep cycle
Get Annual Access →
BEST VALUE

OR GET IT FREE WITH TUTORING

Become a Dr. Preston tutoring student and receive full app access included at no extra charge — plus a personalized study plan built around your test date.

Book a Session — App Included Free →

Already a Student? Unlock Full Access

Enter your student token from your welcome email. Format: FLAB-XXXX-XXXX-XXXX

AI-POWERED · PHYSICS

Physics Adaptive Practice App

Covers classical mechanics, E&M, thermodynamics, QM, and nuclear physics. Adaptive AI identifies your weak areas and drills them systematically. Built on Dr. Preston’s PhD-level physics expertise from UC Berkeley and AFIT.

Free Tier
$0
  • 10 questions per day
  • Classical Mechanics + E&M topics
  • Basic scoring & feedback
Try Free App →

(Space deploys soon — check back)

Annual — Save 33%
$79.99 /yr
  • Everything in Monthly
  • Priority support
  • Early access to new features
Get Annual Access →
AI-POWERED · MACHINE LEARNING

AI / ML Adaptive Practice App

From gradient descent to transformer architectures — covers ML fundamentals, neural networks, Python/NumPy, statistics for ML, and NLP/CV. Built by a USAF AI engineer with research at LLNL and LBNL.

Free Tier
$0
  • 10 questions per day
  • ML Fundamentals + Neural Network topics
  • Basic scoring & feedback
Try Free App →

(Space deploys soon — check back)

Annual — Save 33%
$79.99 /yr
  • Everything in Monthly
  • Priority support
  • Early access to new features
Get Annual Access →
AI-POWERED · SAT/ACT

SAT / ACT Adaptive Practice App

Targeted SAT and ACT prep across algebra, advanced math, data analysis, geometry, reading, and writing. Score improvement strategies from a PhD-level STEM educator who has coached students to significant score gains.

Free Tier
$0
  • 10 questions per day
  • Heart of Algebra + Math topics
  • Basic scoring & feedback
Try Free App →

(Space deploys soon — check back)

Annual — Save 33%
$79.99 /yr
  • Everything in Monthly
  • Priority support
  • Early access to new features
Get Annual Access →
AI-POWERED · MATHEMATICS

Mathematics Adaptive Practice App

University-level mathematics from limits through differential equations. Covers calculus I–III, linear algebra, ODEs, and discrete math. Ideal for college students, engineers, and anyone preparing for graduate-level STEM.

Free Tier
$0
  • 10 questions per day
  • Limits & Derivatives + Integration topics
  • Basic scoring & feedback
Try Free App →

(Space deploys soon — check back)

Annual — Save 33%
$79.99 /yr
  • Everything in Monthly
  • Priority support
  • Early access to new features
Get Annual Access →

Digital Study Guides

Concise, field-tested references built from Dr. Preston’s own AFOQT prep and PhD coursework. Instant download via Gumroad.

$12
AFOQT Physical Science Cheat Sheet

Every formula, constant, and concept you need for the Physical Science subtest — organized for rapid review the night before your exam.

Buy Now →
$9
AFOQT Math Formula Quick Reference

Arithmetic operations, algebra, geometry, and table reading formulas distilled to one printable quick-reference guide. Saves hours of note-taking.

Buy Now →
$7
100 Hard AFOQT Practice Questions

The questions real test-takers get wrong. Each problem includes a worked solution and the concept tested — so you learn, not just drill.

Buy Now →
$14
AFOQT 30-Day Study Plan Template

A fully structured, day-by-day study calendar with subtest focus, daily time targets, and review checkpoints. Works with any schedule.

Buy Now →

1:1 Tutoring with Dr. Preston

Work directly with a PhD Nuclear Engineer and USAF officer who has helped students raise AFOQT scores by 20–40+ points. Full app access included with every package.

Single Session
$70/hr
A focused 60-minute session on the subtest of your choice. Great for a quick weak-spot fix or a trial session before committing to a package.
  • 60 minutes, 1-on-1
  • Choose any AFOQT subtest
  • App access included
  • Session notes provided
Book a Session →
10-Session Pack
$600
Save $100 vs. individual rate
The complete prep experience. Full-spectrum AFOQT coverage with 10 structured sessions and ongoing accountability between meetings.
  • 10 × 60-minute sessions
  • All 12 subtest coverage
  • Full app access included
  • Weekly progress check-ins
  • Priority scheduling
  • Score guarantee discussion
Book 10-Session Pack →

Not sure which package is right for you? Start with a free 15-minute intro call — no commitment required.

Book Free Intro Call →

Community Access

Study alongside other students and get direct access to Dr. Preston outside of sessions — across all five subjects.

FREE

Discord Study Server

Multi-subject prep community with dedicated channels for each subject, live Q&A, and Dr. Preston’s study tips dropped directly in the server.

  • #afoqt-prep · #physics · #ai-ml channels
  • #sat-act · #mathematics channels
  • Live Q&A sessions with Dr. Preston
  • Peer study accountability
  • Resource drops & app announcements
Join Discord Free →
STRUCTURED LEARNING

Skool Community

A structured learning environment with courses across all five subjects, accountability groups, and Dr. Preston’s full resource library in one place.

  • Course modules: AFOQT, Physics, AI/ML
  • SAT/ACT & Mathematics tracks
  • Accountability challenges
  • Leaderboard & gamified progress
Join Skool Community →