VitalPrep CNA app icon

Certified nursing assistant

Your first step into nursing starts with the CNA exam. 2,500+ questions covering everything from patient transfers and vital signs to infection control and residents' rights, with algorithms that adapt to how you learn.

50 free questions · No account required

Inside the app

The pages from our App Store listing. Every screen is captured from the app itself.

VitalPrep CNA App Store screenshot, "Pass the CNA. Guaranteed.": the home screen with the exam readiness score.
Home
VitalPrep CNA App Store screenshot, "The Real Exam. Simulated.": the exam simulator's difficulty levels.
Exam Simulator
VitalPrep CNA App Store screenshot, "Hard Topics. Illustrated.": an illustrated visual reference sheet.
Visual References
VitalPrep CNA App Store screenshot, "7 Ways To Study.": the study modes.
Study Modes
VitalPrep CNA App Store screenshot, "Every Answer. Explained.": a reviewed question that explains why the right answer is right and why the others are wrong.
Explanations
VitalPrep CNA App Store screenshot, "More Than Practice Questions": a reference table from the study materials.
Study Materials
VitalPrep CNA App Store screenshot, "Find Your Blind Spots": the confidence score, every answer scored against how sure you were.
Confidence Calibration
VitalPrep CNA App Store screenshot, "Know When You're Ready": the exam readiness score.
Exam Readiness
VitalPrep CNA App Store screenshot, "Zero Distractions. By Design.": the distraction-free study screen.
Distraction-Free
VitalPrep CNA App Store screenshot, "Earn Your Certificate": the Exam Ready Certificate.
Certificate

What the NNAAP looks like

70 multiple-choice questions in 120 minutes, plus a clinical skills evaluation. Most states require about 70% to pass the written portion.

70 Questions
120 min Time Limit
~70% Passing Score

Four domains matching the NNAAP blueprint

Clinical skills carry the heaviest weight. Our question bank reflects that, so your study time goes where it counts.

Basic Nursing (Clinical) Skills 42%
Role of the Nurse Aide (Professional) 26%
Activities of Daily Living 22%
Psychosocial Care Skills 10%

Six algorithms working together

Every answer feeds an integrated system that tracks what you know, what you think you know, and what you are about to forget.

1,500+ Multiple Choice
1,000+ Rapid Fire
2,500+ Total Questions

Confidence Calibration

Rate your certainty. The engine catches overconfidence before exam day does.

Spaced Repetition

Six mastery levels with expanding intervals. Questions return right before you would forget them.

Misconception Detection

Flags topics where you are confident but wrong, and pushes them to the top of your review queue.

Timed Practice Tests

Domain-weighted sets that replicate exam conditions, clock and all.

Rapid Fire Mode

1,000+ true/false questions for quick knowledge checks during a lunch break or bus ride.

Exam Readiness Score

Four factors tell you when your mastery, confidence, consistency, and trajectory are lined up.

We stake our revenue on the science

Earn your Exam Ready certificate, take the NNAAP within 14 days, and if you do not pass, we refund your most recent subscription payment.

Read the full terms →

Start studying for the CNA exam

50 free questions, no account required. Upgrade to Pro for the full 2,500+ question bank.

Free to start — 50 questions, no account. Go Pro for the full bank: $6.99/week, $12.99/month, or $49.99 once.

Don't pass? We refund your most recent payment. That's the Pass Guarantee.