PE4 Exam Pro - Power Engineer

NEW: Hazardly game mode and Premium Voices are here. 5,500+ questions, 1,000 flashcards, 150 knowledge cards and an AI tutor that explains every answer.

The most complete 4th Class Power Engineering prep app, period.

5,500+ exam-realistic questions. 1,000 flashcards. 150 knowledge cards. An AI tutor that explains every answer. Covers SOPEEC 4A and 4B — built by power engineers, for power engineers.

WHAT YOU GET

• 5,500+ practice questions across 4A and 4B • 1,000 flashcards with smart-repeat scheduling • 150 Knowledge Library cards — the concepts behind the questions • AI Explain — tap any question for a clear, plain-English breakdown • Premium Voices — natural-sounding narration for hands-free study • Mock Exams — full-length, timed, with pass/fail scoring • Custom Quiz — pick chapters, difficulty, length, your way • Hazardly — the game-show style review board that makes drilling actually fun • Progress tracking — see weak chapters, streaks, accuracy trends • Works offline once content is downloaded

WHY IT WORKS

Most prep apps give you a question bank and call it done. PE4 Exam Pro is built on how power engineers actually study: drill, miss, get the explanation, drill again. Every question has an AI-generated explanation written in plain language — no more flipping through a textbook to figure out why "C" was correct.

Premium Voices let you study while driving, walking, or working out. Hazardly turns weakness review into a daily game. Mock Exams give you the exact pressure of the real SOPEEC sitting.

CONTENT THAT KEEPS GROWING

This app started with 620 questions. It now has 5,500+ — a 9× jump. Flashcards grew from 200 to 1,000. Knowledge cards from 50 to 150. New content ships continuously. You buy once (or subscribe) and the library keeps expanding.

SUBSCRIPTIONS & PACKS

• PE4A Pro — $49.99/month — full 4A bank, AI Explain, Premium Voices • PE4B Pro — $49.99/month — full 4B bank, AI Explain, Premium Voices • PE4A Flashcard Pack — $9.99 one-time • PE4B Flashcard Pack — $9.99 one-time • PE4A Hazardly Pack — $19.99 one-time • PE4B Hazardly Pack — $19.99 one-time

Try the free tier first — a daily Question of the Day plus 500 questions in Hazardly Mixed mode, no subscription required.

WHO IT'S FOR

• New power engineers prepping for SOPEEC 4A or 4B • Operators upgrading their ticket • Anyone studying boilers, refrigeration, prime movers, plant chemistry, electrical, instrumentation, or safety

REQUIREMENTS

iOS 15.0 or later. Designed for iPhone and iPad. Internet required for first content download and AI Explain; rest works offline.

SUPPORT

Hit a wrong answer or want a topic added? Tap Feedback inside the app — we read every message and ship updates fast.

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Disclaimer: Not affiliated with SOPEEC, IPIA, ABSA or any provincial regulator. Practice content only.