Clash and
Collaborate

Get paired with a rival at your level. Face off in live, AI-moderated quiz battles. Track wins, streaks, and rise on the leaderboard.

Quiz
PRACTICE • CS FUNDAMENTALS System Fundamentals
SCORE 605
STREAK 3
ACCURACY 80%
Question 6/8

Which of these is an example of a high-level programming language?

Select the best answer

A Machine code
B Assembly
C Python
D Microcode
5s
Designed by Students at UNC Built for Students Compete with Friends AI-Powered Learning Study Smarter, Not Harder Ace Your Exams
Platform Features

Powered by Ember

Scroll. Every piece builds itself as you go — and comes apart if you go back.

01/ 04Ember AI

Adaptive difficulty.
Instant explanations.

Ember watches every answer, learns your strengths, and routes the next question to the gap. Miss one and you get the why — not just the what.

Routing
Adaptive, per topic
Explanations
Instant, in-match
Recall
Spaced, auto-scheduled
Hint latency
~50 ms
Topic MasteryAvg: 76%
Mechanics
92%
Thermo
78%
E&M
58%
Unlock Ember AI
02/ 04Anti-Cheat

The ladder stays legit.

Answer keys never reach the browser. Every answer is judged on the server, every timer is bound server-side, and every match leaves a trail.

Judging
Server-side, per answer
Answer keys
Never sent to the client
Next question
Encrypted until you answer
Detection
99.9%
03/ 04Custom Quizzes

Notes in. Decks out.

Drop your notes, slides or PDFs and Ember writes the deck — four options, one answer, an explanation for each. Play it solo, or take it into a match.

Formats
TXT · PDF · DOCX · images on Pro
Per month
100 free · 300 · 800 · 2,000
Turnaround
Seconds
Decks made
10k+ and counting
PDFDOCXTXTPNG+ slides
04/ 04The Arena

Where it all clashes.

Get paired at your level. Right answers fly at your rival — when you both land one, they clash. The faster, longer streak takes the exchange.

Duel
Ranked 1v1 · ELO-matched ±150 · 10 questions
Raid
Co-op, 1–4 players · shared team HP · subject bosses
Rival
An AI that studies you back and presses your weak topics
Start your first match
50ms
AI Response Time
99.9%
Cheat Detection Rate
10k+
Custom Decks Created
Pricing

Choose your plan

Scale from free to Ember AI+ as your learning grows.

$0/mo

What's unique
    Included
      1 / 5

      All plans include core features. Cancel anytime.