CompTIA DataAI Exam Prep

Know exactly when you're ready for the CompTIA DataAI exam.

The CompTIA DataAI (DY0-001), formerly DataX, tests applied data science skills: building models, running statistical analyses, deploying ML pipelines, and applying AI to business problems. With up to 90 questions in 165 minutes and 5+ years of data science experience recommended, this exam assumes you already know the fundamentals and focuses on applied decision-making. Built for experienced data scientists, this app pairs full-length mock exams with adaptive, confidence-based practice.

TechPrep is a complete exam prep platform built on cognitive science: confidence calibration, spaced repetition, stress inoculation, and progressive difficulty that adapts as you learn. A predicted exam score and an Exam Readiness score show when you are ready for exam day.

PASS GUARANTEE ON EVERY PRO PLAN

Earn your Exam Ready Certificate, take your DY0-001 exam within 14 days, and if you do not pass, we refund your plan payment. Full details in our Terms of Use.

HOW IT WORKS

You answer each question with a swipe: right when you are confident, left when you are unsure. Our confidence calibration system tracks four dimensions of mastery: what you know and know well, what you know but doubt, what you get wrong but thought you knew, and what you are still learning.

Progressive difficulty takes you through four exam simulation levels (Foundation, Intermediate, Advanced, and DataAI Simulation) so you build competence before exam day.

Your Predicted Exam Score estimates how you would score on the DataAI exam right now. Your Exam Readiness Score combines accuracy, coverage, consistency, and confidence.

2,000+ QUESTIONS + 148 STUDY MATERIALS

- 1,200+ multiple-choice practice questions across 20 categories

- 800+ rapid-fire true/false recall questions

- 148 study materials (Study Guides, Reference Tables, Visual References, Formulas, Mnemonics, Glossary, Quick Facts, Exam Tips, Exam Prep)

- 5 exam domains: Mathematics and Statistics (17%), Modeling, Analysis, and Outcomes (24%), Machine Learning (24%), Operations and Processes (22%), Specialized Applications of Data Science (13%)

- Aligned to the CompTIA DataAI (DY0-001) exam blueprint

8 STUDY MODES

- Daily Data - 50 timed questions to build your daily streak and identify weak spots

- Practice Quiz - customizable quizzes by domain or category

- DataAI Practice Tests - 65-90 questions, 110-165 minutes, 4 progressive levels

- Smart Review - spaced repetition targeting your weakest areas

- Rapid Fire - speed-based true/false recall training with instant feedback

- Flashcards - swipe-based review for every category

- Review Mistakes - revisit every question you missed

- Study Materials - 148 reference items, from formula sheets to visual references

EXAM READY CERTIFICATE

Earn your certificate by meeting all 11 readiness criteria, including domain mastery, study consistency, confidence score, and passing the Level 4 practice test. This means you are prepared for the CompTIA DataAI certification exam.

STUDY ANYWHERE

- 100% offline capable after first load

- No account required - all progress stored on your device

- No ads

- Dark mode

FREE TO START

Start with 50 free practice questions, Review Mistakes mode, 25 sample Flashcards, 25 Rapid Fire questions, and all 15 Study Guides, completely free, no account required. Upgrade to Pro for all study modes, the full question bank, and the complete study material library.

PRO SUBSCRIPTIONS

- Weekly: $6.99/week

- Monthly: $12.99/month

- Lifetime: $49.99 one-time (best value - pay once, does not auto-renew)

Payment will be charged to your Google Play account at confirmation of purchase. Subscriptions auto-renew unless canceled at least 24 hours before the period ends; manage them in your Google Play settings.

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This app is not affiliated with CompTIA.