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How to Use Case Ace
Your complete guide to mastering DECA competitions with AI-powered practice
Getting Started
Sign up with your email or use Google login. It's free to start!
- Enter your name, email, and school information
- Set your DECA event and competition goals
- Start practicing immediately
Three powerful ways to prepare for DECA competitions:
Live Roleplay Practice
AI judge, real-time feedback
PI Flashcards
14,500+ Performance Indicators
Exam Practice
Practice, Exam, and Speed modes
Live Roleplay Practice
Select Your Event
Choose from all DECA career clusters and events. Pick the one you're competing in or want to practice.
Generate Case
Click "Generate Official Case" to create a realistic competition scenario with Performance Indicators.
Prep Timer
Use the 10-minute countdown timer to prepare your strategy, just like in real competitions.
Start Live Roleplay
Click the green button, enable your microphone (and optionally webcam), and deliver your presentation to the AI judge.
Monitor Metrics
Watch real-time metrics: word count, speaking pace, tone engagement, and which PIs you've mentioned.
Get AI Feedback
Receive detailed scores on Performance Indicators and 21st Century Skills, plus personalized improvement tips.
Pro Tips for Best Results
- Speak clearly and maintain a steady pace (150-180 words/min)
- Aim for 5-7 minutes total presentation time
- Use a structured approach: Problem → Solution → Benefits
- Reference the Performance Indicators naturally in your speech
- Enable your webcam to practice professional body language
- Review feedback carefully and practice weak areas
Performance Indicator Flashcards
Master All 14,500+ PIs
Study Performance Indicators using our interactive flashcard system. Perfect for memorization and quick review sessions.
Study Strategy
- 1.Start with your specific event's PIs
- 2.Review 20-30 PIs per study session
- 3.Focus on understanding, not just memorizing
- 4.Practice applying PIs in roleplay scenarios
- 5.Revisit marked PIs before competitions
Exam Practice Modes
- • 10 questions
- • No time limit
- • Instant or submit-all feedback
- • Free for all users
- • 100 questions
- • 90-minute timer
- • Real exam experience
- • Premium feature
- • 25 questions
- • 10-minute timer
- • Quick practice
- • Premium feature
Track Your Progress
Earn XP for every practice session and exam you complete. Level up to unlock badges and climb the leaderboard!
XP Rewards:
- • Practice Session: 50-100 XP based on score
- • Exam Completion: 200-500 XP
- • PI Quiz: 10-25 XP per quiz
Compete with students across the country! Your scores from practice sessions automatically update your leaderboard ranking.
Rankings Based On:
- • Average practice session scores
- • Exam performance
- • Total XP earned
Upgrade to Premium
Unlock Your Full Potential
Get unlimited practice sessions, full exam simulations, video recording, and advanced analytics. Starting at just $11.99/month, or save 65% with a Yearly Pass at $49.99/year.
Premium Benefits:
Frequently Asked Questions
Our AI judge is powered by GPT-5 and trained on DECA scoring rubrics. It analyzes your speech in real-time, evaluates how well you addressed each Performance Indicator, and assesses your 21st Century Skills just like a real DECA judge would.
Yes! Case Ace works on mobile devices, tablets, and computers. For the best experience during live roleplay practice, we recommend using a desktop or laptop with a microphone and webcam.
Free users get access to all 14,500+ PI flashcards, limited practice sessions per month, and practice mode exam questions. It's a great way to start preparing for DECA!
Currently, team events follow the individual roleplay format. Full team event support (with partner coordination) is coming soon! You can still practice team event cases individually to prepare.
Need More Help?
Our team is here to help you succeed. Reach out with any questions about using the platform or preparing for DECA competitions.
connect@caseace.app