Search for a CNA practice test app and the first page is app store listings and app rankings, most of them with a year in the name and a promise that you will pass the first time. They rarely mention two things that shape how you should prepare. The first is that the CNA exam is two tests: a written (or oral) knowledge test and a hands-on skills test, in which an evaluator watches you perform nurse aide skills on a person or a manikin and checks the steps against a list. The second is that there is no single CNA exam. Your state picks the test vendor, and the three main vendors write different tests with different lengths, time limits and content outlines.
This guide starts with what the exam actually looks like in three states, using the test vendors’ own handbooks, and with the practice material those vendors sell or give away. It then compares three practice tools that describe an AI feature, on what the AI does, which plan it sits on and what the billing and guarantee terms say. Prep products with no AI come next, then a short section on general chatbots, the apps we left out and a guide to choosing. It is written for nurse aide students preparing for state certification; licensed practical and registered nursing students sit the NCLEX, which our AI NCLEX prep guide covers.
How we put this together. We have not used these tools ourselves. Every price, rating and feature below comes from the vendor’s own website, help pages, terms or app store listing, and the exam facts come from the test vendors’ state handbooks, all read on 12 November 2026 and linked in the text. App ratings are from the US App Store unless we say otherwise. None of these companies paid to appear on this page, and there are no affiliate links.
What the CNA exam looks like in 2026
Each state runs its own nurse aide competency exam through a testing company it chooses. Many states use one of three: Credentia, which now develops and runs the National Nurse Aide Assessment Program (NNAAP) used in many states; Prometric; or D&S Diversified Technologies, which trades as Headmaster. Your training program will tell you which one your state uses, and the vendor’s handbook for your state is the document to read first. Here is how the three compare, using one state for each.
North Carolina: the NNAAP, run by Credentia
Credentia’s North Carolina exam overview says the NNAAP has two required parts and you must pass both to be listed on the state’s Nurse Aide I Registry. The written examination has 70 multiple-choice questions, of which 60 are scored and 10 are unscored pretest items, with two hours to finish. An oral version replaces it if you ask when you apply: 60 multiple-choice questions read aloud, plus 10 word recognition items. The skills evaluation asks you to perform five randomly selected skills, and Hand Hygiene is always one of them. According to Credentia’s skill evaluation page, another candidate acts as a weakened elderly resident, the five skills must be done in 30 minutes and include a measurement such as blood pressure or weight, and certain steps on each skill are Critical Element Steps: miss one and you fail that skill. You cannot go back to correct an earlier skill once you start the next.
The North Carolina fee page lists $140 for the written (or oral) test and skills evaluation together, $40 for the written test alone and $100 for the skills evaluation alone, all non-refundable. It also notes that under federal law a Medicare or Medicaid nursing facility that employs you, or offers you a job, when you start training must pay your exam fees, and one that hires you within 12 months of finishing must reimburse them pro rata. The score reporting page says you get three attempts within two years of finishing your training program, after which you must retrain.
The written test follows the revised 2024 NNAAP content outline, which Credentia publishes in each state’s online handbook. The outline groups it into Physical Care Skills (Activities of Daily Living, 22%; Basic Nursing Skills, 35%; Self-Care and Independence, 7%), Psychosocial Care Skills (Emotional and Mental Health Needs, 8%; Spiritual and Cultural Needs, 2%) and the Role of the Nurse Aide (Communication, 7%; Client Rights, 8%; Legal and Ethical Behavior, 5%; Member of the Health Care Team, 6%).
Florida: Prometric
Florida’s Department of Health contracts Prometric. Its Candidate Information Bulletin, revised in November 2025, describes a written test of 60 multiple-choice questions with 90 minutes to answer them, in English or Spanish, with an audio option. The content outline is different from the NNAAP’s: Role of the Nurse Aide, 20%; Promotion of Safety, 22%; Promotion of Function and Health of Residents, 20%; Basic Nursing Care Provided by the Nurse Aide, 24%; and Providing Specialized Care for Residents with Changes in Health, 14%. On the Clinical Skills test you are scored on five skills: three assigned skills plus Handwashing and Indirect Care, which covers resident rights, communication, safety, comfort and infection control while you work. The time allowed runs from 31 to 40 minutes depending on the skills, two nurses observe you, and you must pass all five.
The bulletin lists $155 for both tests, $35 for the written test alone and $120 for the skills test alone, plus $30 to reschedule. If you fail the required exams three times, you must complete at least 120 hours of state approved training before you can test again.
Ohio: Headmaster
Ohio’s tested nurse aides sit an exam run by D&S Diversified Technologies. Its Ohio candidate handbook, version 27 from December 2025, describes a knowledge test of 79 multiple-choice questions in 90 minutes, with 70% needed to pass. On the audio version, the first 59 questions are read aloud and the last 20 must be read on your own to check English reading comprehension, unless you have an approved accommodation. The skill test is three or four tasks in 35 minutes: one of five mandatory tasks with hand washing built in, plus two or three tasks picked at random. To pass, you must perform every critical step in bold and 80% of the other steps on each task. The handbook’s own payment example shows $30 for the knowledge test and $90 for the skill test. You get three attempts within two years of finishing training.
What this means for choosing an app
An app that says it covers “the CNA exam” is writing to one of these outlines, or a blend. A 60-question timed mock is a good rehearsal for Florida and a short one for Ohio’s 79. Subject scores sorted by Promotion of Safety and Basic Nursing Care match Prometric’s map; the NNAAP’s map is built around Physical Care Skills, Psychosocial Care Skills and the Role of the Nurse Aide. None of that makes an app’s questions wrong, since the nursing content overlaps heavily, but it changes how much its readiness score tells you.
The official benchmark: what the test vendors give you
Each test vendor publishes its skills checklists and sample questions, and each sells practice material that is cheap next to the app plans below. Judge every paid product below against these. None of the vendors describes an AI feature in these products.
Credentia: sample questions, proctored practice exams and skill simulations
Every Credentia state handbook includes sample written questions and a self-assessment reading test to help you decide between the written and oral exams, plus the full list of 23 skills with every step and the critical steps in bold. Its practice exams page sells a live proctored online practice written exam of 40 questions with one hour to answer: $30 for one, $50 for two and $60 for three. It does not count as an attempt and does not expire, but you need ID and a private room, as on the real online exam.
The same page sells Skills Practice Training, described as interactive simulations on the web and in XR. For North Carolina, the page listed all 23 skills at $10 each, each with one attempt and 60 days of access, and bundles of 2, 3, 5 and 10 skills at $10, $20, $30 and $40. These are the closest thing we found to practice for the skills test from the company that runs it, though a simulation is still not your hands on a real resident or manikin.
Prometric: $10 practice exams and skills readiness tests
The Florida bulletin describes online practice written exams of 50 questions in the same format as the real test, with feedback and rationale statements, at $10 each or $25 for all three. Its Clinical Skills Readiness Tests check what you know about the skills before test day: six tests of three to four skills each, at $5 to $7 each or $25 for all of them. The bulletin also prints a free sample test and the full skills list. The Prometric Florida page links both.
Headmaster: free daily questions and mastery practice tests
The Ohio handbook says Headmaster offers a free knowledge test question of the day and a free ten-question practice test on its website, and sells complete practice tests generated from the state test plan. These use a mastery method: you must answer each question correctly before you move on, and you get a first-attempt score and a vocabulary list at the end. Its Ohio page also posts the mock skills sheet, the recording form used during the skill test and fluid intake practice sheets.
AI CNA practice tools compared
| Product | What the AI does | Where the AI sits | Price (12 November 2026) | Catch to check |
|---|---|---|---|---|
| Prepia CNA | Pia tutor explains the question in front of you, with diagrams | Every prepia.com plan | $24.99 for 30 days, $39.99 for 90 days, $59.99 for 180 days, one-time | App store plans include weekly subscriptions; guarantee covers web purchases |
| CNA Plus | CNA Genie assistant gives hints, explains answers, takes questions | Premium plans | $29 a week, $75 for 30 days, $159 for 90 days | Written test only; weekly plan renews |
| CNA Practice Test 2026 Prep (ABC Elearning) | Mentora tutor explains concepts and rationales, gives feedback | Not stated | Weekly $9.99 or $19.99, quarterly $39.99, yearly $69.99 (App Store) | Weekly billing; tracking identifiers |
How we chose and ordered these
Each product had to describe an AI feature in its own words, cover the nurse aide certification exam, and be live and updated in 2026. We ordered them by how clearly the vendor explains what its AI does and where it sits, how clear the price and renewal terms are, and how closely the practice follows a real state outline. We left out apps whose AI was only in the marketing copy of a tiny listing, apps not updated in years, and products we could not read. This order says nothing about pass rates, and we found no independent study comparing these tools.
The three AI tools
1. Prepia CNA: a one-time web plan with an AI tutor on every tier
The AI. Prepia calls its tutor Pia. Its CNA exam page describes Pia as the AI study tutor built into Prepia: you ask about the question in front of you and it explains the reasoning in plain words, drawing a diagram when a picture helps. You can open it from under an explanation to go through why the right answer is right and where yours went wrong. Prepia does not name the model behind it.
Plans and price. On prepia.com, CNA prep costs $24.99 for 30 days, $39.99 for 90 days or $59.99 for 180 days, each a single payment that does not renew, and every plan lists the Personal Nursing AI Tutor as included. There is a free account that needs no card. The iPhone app is priced differently: its App Store page lists ten in-app subscriptions from $4.99 to $49.99, including weekly plans at $4.99, $7.99, $9.99 and $11.99 and monthly plans at $16.99 and $19.99. The App Store description does not name the AI tutor, and we could not tell from public pages whether Pia is available to free users. The app had a 4.8 rating from 1,126 ratings and was updated on 9 November 2026.
Fine print. Prepia’s Pass Guarantee, updated on 29 September 2026, is simpler than the others here: if you do not pass, it refunds your purchase in full, without asking for a score report and with no minimum plan length or study requirement. It applies to purchases made on prepia.com. If you paid inside the iPhone or Android app, Apple or Google decides the refund, though Prepia says it will request it with you. Separately, its refund policy gives a full refund within 30 days for any reason, and its terms confirm that website plans are prepaid and nothing renews. The question bank has 652 questions split almost evenly across five subjects: Role of the Nurse Aide, Promotion of Safety, Promotion of Function and Health of Residents, Basic Nursing Care Provided by the Nurse Aide, and Providing Specialized Care for Residents with Changes in Health. Those are the five areas of Prometric’s Florida outline, so the subject scores map neatly onto a Prometric state’s written test and less neatly onto the NNAAP. There is no skills test practice. The app’s privacy label lists identifiers as data used to track you.
Choose it if you want an AI tutor on a fixed-price plan that cannot renew without you, and a guarantee with few conditions. Skip it if you sit the NNAAP and want readiness scores that match its outline, or you want skills practice.
2. CNA Plus: a written test program with the CNA Genie assistant
The AI. CNA Plus offers free practice tests on its website and sells a Premium program that adds what it calls the CNA Genie AI Assistant. Its Premium page shows the assistant’s options under a question: give me a hint, explain the answer, or ask your own question. Around it are the Challenge Bank, which collects every question you miss and retests you on it, a Readiness Meter that estimates your chance of passing, an exam simulator and cheat sheets of hard questions. No model is named.
Plans and price. The Premium page lists three plans with the same content: a weekly subscription at $29 a week that renews until you cancel, with a reminder three days before each billing; a 30-day plan at $75; and a 90-day plan at $159, the last two paid once. Each includes 700 questions, 23 practice tests, 300 flashcards and the Genie assistant. The company’s iPhone app, CNA Practice Exam Genie 2026 from Elegant eLearning, lists different prices: CNA Premium for one month at $49.99 and CNA Premium at $99.99. It had a 4.8 rating from 1,958 ratings but was last updated on 3 January 2026, and its description mentions smart hints rather than an AI assistant.
Fine print. CNA Plus is direct about scope: its Premium page says it focuses on the written knowledge exam, so there is nothing here for the skills test. The pass guarantee has conditions. You must complete all of your state’s practice tests in Premium, your most recent completion must fall within 30 days before your exam, and you must email your results within 30 days of failing; the refund is then processed within five business days. The page says 782 of 17,600 customers have claimed it, which is the vendor’s own figure. Its homepage says its questions match the style of Prometric, Pearson VUE and Headmaster exams. At $29 a week, four weeks cost more than the $75 30-day plan, so the weekly plan only makes sense if your exam really is days away.
Choose it if your written test is close, you like a guided program with a readiness score, and you will finish the state practice tests the guarantee requires. Skip it if you need help with the skills test, or you are likely to forget to cancel a weekly plan.
3. CNA Practice Test 2026 Prep (ABC Elearning): an app with the Mentora tutor and weekly billing
The AI. This app, sold on the App Store by Easy Pass Company Limited under the ABC Elearning name, describes “Mentora, your AI-powered tutor”, which it says helps you understand difficult concepts, provides rationales and gives personalised feedback. The rest of the app is a question bank studied by topic, such as Basic Nursing Skills, Activities of Daily Living, Safety and Emergency Procedures, and Communication, plus custom and diagnostic tests. The listing does not say which model Mentora uses or which plan unlocks it.
Plans and price. The App Store page lists four subscriptions under the name ABC Elearning Pro: two weekly plans at $9.99 and $19.99, a quarterly plan at $39.99 and a yearly plan at $69.99. Subscriptions renew automatically unless you turn renewal off at least 24 hours before the period ends, and the listing says you cannot cancel the current period once it has started. A weekly plan at $9.99 costs about $130 over a quarter, more than three times the quarterly price.
Fine print. The app had the highest rating count of the three, 4.9 from 2,265 ratings, and was updated on 15 October 2026. Its privacy label lists identifiers, usage data and diagnostics as data used to track you across other companies’ apps and websites. Its terms and privacy policy sit on other domains, a github.io page and passemall.com. The listing says it is independent and not affiliated with any government body. It does not cover the skills test beyond questions about skills.
Choose it if you want a phone-first question bank with an AI explainer and will pick the quarterly or yearly plan. Skip it if you do not want weekly billing or cross-app tracking.
CNA prep with no AI worth comparing
These products describe no AI feature, so they are not in the numbered list. They are the fair comparison for anyone deciding whether an AI tutor is worth paying for.
Mometrix CNA Certification Prep Course
The Mometrix CNA course costs $49.99 a month and renews monthly until you cancel. It lists 40 lessons, more than 320 flashcards and more than 690 practice questions. The page says you are billed immediately and that this is not a free trial, but you can ask for a refund within 7 days.
BoostPrep CNA Prep
BoostPrep sells two one-time packages with six months of access: Core at $24.99, with eight full-length practice exams and more than 480 questions, and Pro at $39.99, which adds a prep course with more than 50 skills modules, more than 1,030 questions and more than 450 flashcards. It offers a full refund if you do not pass and says it works for all states and test vendors.
CNA Exam Mastery by Higher Learning Technologies
On Google Play, CNA Exam Mastery had a 4.4 rating from 78 reviews and more than 10,000 downloads, and was updated on 10 November 2026. It lists more than 220 questions and 900 vocabulary words, at $9.99 a month, $17.99 for three months or $49.99 a year, all renewing. Its own description names no AI feature. The iPhone version, CNA Mastery, was last updated in February 2023.
What about ChatGPT or another general chatbot?
A general chatbot can explain why a resident on a fluid restriction needs intake measured, quiz you on medical terms or turn your class notes into practice questions, and it costs little or nothing. Four limits matter. First, it does not know which test vendor your state uses or which outline you face unless you tell it, and it may describe a different state’s exam with confidence. Second, the skills test is scored on specific steps, and the wording and order of those steps differ by vendor; a chatbot’s version of a skill may be sensible and still miss a critical step in your handbook. If you use one, paste your state’s skills checklist in and ask it to quiz you from that text. Third, nurse aide scope matters: some of the general nursing content a chatbot produces, such as medication decisions, belongs to nurses, and the exam tests whether you know to report rather than act. Fourth, it has no place at the test site, where phones and smartwatches are banned. For broader study habits with AI, see our guides to AI tools for nursing students and AI HESI A2 prep, which also suit aides moving on to nursing school.
What we left out, and why
Pocket Prep, which sells prep for many nursing exams, had no CNA exam in its catalogue or its nursing app on 12 November 2026. Union Test Prep’s CNA page showed us a security check, so we could not read it. NurseHub’s site covers nursing school and NCLEX simulations, not the CNA. CNA Practice Test & Prep 2026 from an individual developer describes free, ad-free AI explanations but had 24 US ratings. An app named “CNA Exam Prep for Credentia” from an unrelated developer had no ratings. Several CNA apps with hundreds of ratings, including those from Quizzard, Exam Prep OU, PDG Apps and Trending Mobapps, describe no AI feature, and one still lists Pearson VUE as an NNAAP provider. Older apps such as CNA Practice Test Master and CNA Practice Test Pro have not been updated in years. Open Exam Prep offers free CNA questions and an AI tutor with a daily limit, but, as with our TEAS and HESI A2 guides, we could not establish who runs it.
How to choose an AI CNA practice test app
Find out who writes your exam
Ask your training program whether your state uses Credentia, Prometric or Headmaster, and download that vendor’s handbook for your state. It tells you the number of questions, the time limit, the content outline, the full skills list and the fees, and it is the document every app should agree with.
Use the official practice first
Before paying for an app, try the vendor’s own sample questions, then consider its paid practice: $10 a practice exam at Prometric, $30 for a proctored practice exam at Credentia, or Headmaster’s free daily question. If your vendor sells skills practice, such as Credentia’s $10 simulations or Prometric’s readiness tests, that is the one thing no third-party AI app here offers.
Check where the AI sits and how billing works
Prepia includes Pia on every web plan. CNA Plus puts Genie in Premium. ABC Elearning does not say which plan unlocks Mentora. Then read the renewal terms: weekly app store plans renew automatically, while Prepia’s web plans and CNA Plus’s 30 and 90-day plans are paid once. Buying on a vendor’s website and buying in its app can mean different prices and different refund rules.
Read the guarantee before you rely on it
Prepia refunds web purchases if you fail, with no study conditions. CNA Plus requires you to finish every state practice test within 30 days of your exam. BoostPrep offers a full refund. With a written test retake costing $35 to $40 in Florida and North Carolina and three attempts before you must retrain in all three states, the guarantee matters less than passing the first time.
Do not skip the skills test
Spend at least as much time practising skills with a partner as answering questions on your phone. Every skills test here fails a skill when a critical step is missed, and every vendor publishes the steps.
Verdict
Start with your test vendor’s handbook and its own practice, because only those match your state’s exam. For AI help on the written test, Prepia is a clear pick: a tutor on every web plan, a one-time price from $24.99 and a guarantee with few conditions, though its subjects follow Prometric’s outline. CNA Plus suits a student with a test date close at hand who wants a structured program and a readiness score, at a higher price and with the guarantee’s study conditions. The ABC Elearning app has the most ratings and a quarterly plan at $39.99, but its weekly plans and tracking are worth noticing before you subscribe. Whatever you choose, practise the skills with a person watching, because that is the half of the exam no app can score.
Sources
- Credentia (NNAAP): North Carolina exam overview, North Carolina exam fees, the skill evaluation, skills list, score reporting and attempts, sample questions, the 2024 NNAAP, NNAAP written examination content outline, practice exams and skills practice training.
- Prometric: Florida Nurse Aide exam page, Florida CNA Candidate Information Bulletin.
- D&S Diversified Technologies (Headmaster): Ohio nurse aide page, Ohio Nurse Aide Candidate Handbook.
- AI tools: Prepia CNA, Prepia Pass Guarantee, Prepia refund policy, Prepia terms, Prepia CNA, App Store, CNA Plus, CNA Plus Premium, CNA Practice Exam Genie, App Store, CNA Practice Test 2026 Prep, App Store.
- No AI and left out: Mometrix CNA course, BoostPrep CNA, CNA Exam Mastery, Google Play, CNA Practice Test & Prep 2026, App Store.
- All pages read 12 November 2026, except that dates in the text are those shown on each page.
Written by
FazFaz is the founder of AIToolsBakery. Some tools here are tested hands on. Others are assessed from vendor documentation and pricing verified on the live page, and every review says which one it is. Sponsors can buy a position in a guide. They cannot buy the score, the criticism, or silence about a better option.
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