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Pass your exam
with confidence

Practice tests, progress tracking, and AI explanations — all built around the exams that matter to your career.

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Independent educational platform · not affiliated with any U.S. government agency

Supported exams

  • CBP – CBLE
  • FCC – Amateur Extra

Coming soon

  • FCC – GMDSS
  • FCC – GROL
  • NRC – Reactor Operator
  • NRC – Senior Reactor Operator
  • More coming soon

What's inside

Everything you need to be ready

Official Practice Tests

Work through real past exams question by question with official answer keys — CBP CBLE, FCC, NRC, and more.

Progress Tracking

See where you stand across every topic. Drill weak areas until they become strengths.

AI Explanations

Stuck on a question? Tap the wand for an AI-powered explanation grounded in the official regulations.

Timed Simulations

Simulate actual sitting conditions — count-up timer, shuffle, and a full results review when you finish.

AI Consulting

Ask questions in plain language and get AI-powered guidance grounded in the official regulations.

Study Anywhere

Native mobile app. Study on your commute, during a break — whenever works for you.

Walkthrough

See how it works

  • CBLE General Information screen listing When (Apr / Oct), Fee ($390), Format (80 questions), Subjects (Section 2), Time allowed (4:30:00), Registration (eCBP), and Scheduling (4 weeks out).
    Review the exam facts
  • CBLE 2026-04 question 1 of 80 with four answer choices, an Explanation button, and a timer reading 0:00:11 of 4:30:00.
    Work through the questions
  • AI explanation for a CBLE question about how long merchandise can remain on the dock, explaining why choices A, C, and D are incorrect and B is correct under 19 CFR 141.4.
    Get an AI explanation

See the full step-by-step tutorial

Ready to start studying?

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