Certin builds exam prep platforms that use active recall, timed practice, and targeted flashcards to get you exam-ready — not just textbook-ready.
Our Platforms
Architect Registration Examination (ARE 5.0)
The complete ARE 5.0 study platform. Flashcards, timed practice exams, and detailed explanations for every division.
2,500+ flashcards · 270+ practice exams
Start Free →Project Management Professional (PMP)
Master the PMP exam with active recall study tools built around the latest ECO and PMBOK guide.
1,200+ flashcards · 90+ practice exams
Start Free →Respiratory Therapy (TMC & CSE)
Comprehensive exam prep for respiratory therapists. Flashcards, simulations, and clinical scenario practice.
1,500+ flashcards · 100+ practice exams
Start Free →Why Certin
Active recall through flashcards and practice questions — not passive reading. Every card and question is designed to make you retrieve knowledge under pressure, the same way the real exam works.
Every answer — right and wrong — comes with a clear explanation of why. You don't just learn what's correct; you learn why the alternatives fail. That's what separates passing from guessing.
A progress dashboard that shows what you actually know, not how long you've been staring at a screen. See your weak topics, study streaks, and exam readiness score in real time.
Every Certin platform includes a free tier with real content — not a locked demo. Try flashcards, take a practice exam, see if it works for you. No credit card required.
2,500+
Flashcards
270+
Practice Exams
4,000+
Questions
4.9/5
User Rating
Testimonials
“AREprep was the only resource that actually prepared me for how the real exam feels. The timed practice exams are incredibly close to the real thing.”
Sarah M.
Licensed Architect · AREprep user
“I passed all six divisions on my first attempt. The flashcards forced me to recall information instead of just recognizing it — that made all the difference.”
James T.
Licensed Architect, AIA · AREprep user
“After failing PPD twice with other study materials, I switched to AREprep and passed with a comfortable margin. The detailed explanations for every answer are a game-changer.”
Michelle R.
Licensed Architect · AREprep user
“The progress dashboard showed me exactly where I was weak. I stopped wasting time on topics I already knew and focused on what actually mattered. Passed PDD on my first try.”
David K.
Architect, NCARB · AREprep user
“I studied for CE on my commute using just the flashcards. The active recall approach is backed by research and it works. Best exam prep investment I've made.”
Rachel L.
Licensed Architect · AREprep user
How It Works
Choose from our growing library of certification prep platforms. Each one is purpose-built for a specific exam.
Flashcards, timed exams, and detailed explanations build lasting retention — not just surface familiarity.
Track your readiness score and know exactly when you're prepared to sit for the real exam.
Join thousands of professionals who passed their certification exam with Certin.