CompPrep AI vs Case Ace: which DECA practice app fits you?
Both apps let you practice DECA role-plays with an AI judge. Here is what each one offers, from their own public pages.
What is Case Ace?
Case Ace is an AI practice app for DECA. You present a role-play out loud, with an optional camera and microphone, and get a score and written feedback tied to the performance indicators. (source)
It also has performance indicator flashcards, strategy guides, judge questions, a written event coach and chapter leaderboards. (source)
It focuses on DECA in the United States and Canada, says it covers all 36 DECA events, and says it isn’t affiliated with DECA Inc. (source)
How do CompPrep AI and Case Ace compare?
| Feature | CompPrep AI | Case Ace |
|---|---|---|
| Organizations | DECA, FBLA, HOSA, TSA and Model UN (events) | DECA (source) |
| Price | Free for students; Lite $2.99 a month or $29.90 a year; Pro $7.99 a month or $79.90 a year; chapter plans from $149 a school year (pricing) | Free tier with 3 AI-judged role-plays, no card; premium listed at CAD $8.99 a month (CAD $7.99 on sale through October 31, 2026) or CAD $29.99 a year; school licenses listed from CAD $157.50 a year (source) |
| AI role-play judging | AI practice judge for role-plays and presentations: 1 round a day free, 2 with Lite, 5 with Pro (how it works) | Spoken role-plays with an optional camera and microphone, scored with feedback on the performance indicators (source) |
| Practice tests | Original practice questions in each event’s test format, not official exams (DECA events) | Performance indicator flashcards and study tools (source) |
| Chapter features | Chapter tools for advisors and officers: assignments, progress reports, competition-day planning (for advisors) | Chapter leaderboards and school licenses (source) |
| Spanish | Yes, the app and these pages (en español) | Not listed on its home page (source) |
When is Case Ace the better pick?
When does CompPrep AI fit better?
- You compete in FBLA, HOSA, TSA or Model UN too, or your chapter covers several organizations. (events)
- You want practice tests in your event’s format next to role-play practice, plus lessons and flashcards. (example event)
- Your advisor wants chapter tools (assignments, progress reports, competition-day planning) in the same app. (for advisors)
- You want to practice in Spanish. (en español)
Questions
Is Case Ace free?
Case Ace lists a free tier with 3 AI-judged role-plays and no card needed, then a paid premium plan (prices in Canadian dollars on its site, checked October 23, 2026). CompPrep AI is free for students with 1 AI judge round a day.
Does Case Ace cover FBLA or HOSA?
Its home page is about DECA only (checked October 23, 2026). CompPrep AI covers DECA, FBLA, HOSA, TSA and Model UN.
Can I use both?
Yes. Many students mix tools: what matters is practicing out loud against the official rubric before competition day.
How do I try CompPrep AI?
Make a free account and pick your event. No card needed.
Related comparisons and guides
Sources
Facts about other products come from their public pages, checked on October 23, 2026, and may have changed since. Product names belong to their owners; CompPrep AI isn’t affiliated with them or with DECA, FBLA, HOSA, TSA or any Model UN conference. Spotted something out of date? Email support@compprep.app and we’ll fix it.