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AI examination stations for candidates & creators

N.O.V.A. lets creators build custom AI-panel exam stations. Candidates defend using oral speech, written answers, or quizzes — evaluated instantly by Gemini AI.

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2,400+Examination Stations
96.8%Avg. Score Accuracy
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nova.ai/app/simulator
N.O.V.A. 2.0
N.O.V.A. AI Examination Station Platform Interface
Live AI Evaluation Active
Live Defense Runtime

Experience the exam defense workflow

AI panelists present questions, capture speech recordings, evaluate responses, and calculate attempt scores — all in real time.

S1
System Architecture & Security Defense
Session · 20 mins · 3 AI Panelists
18:45
LIVE
1 Credit required
A
Dr. Aris (Lead Examiner)VOICE

Oral Speech Evaluation: Explain how you prevent race conditions when updating User Attempt Credits in NestJS with PostgreSQL transactions.

Click microphone to answer via voiceGemini Multimodal Speech Engine Active
What happens during a defense
Voice Recording
Microphone capture sent directly to Gemini multimodal AI
AI Panel Members
Multiple expert AI agents each with a unique examiner role
Rubric Scoring
Granular pass/fail analysis per expected answer key points
N.O.V.A. Exam Session
Live session screenshot
Station Creation Workflow

How creators build
N.O.V.A. stations

Three intuitive steps inside /app/creator/new to go from idea to published examination station.

Step 1: General Station Details

Define the station's identity and access rules

GeneralDetailsStep.tsx
Senior Frontend & Next.js Architecture Exam
25 mins
Defend your knowledge on server components, global store providers, and database transaction locks.
Private StationAccessible only via direct creator invite or token link.
ENABLED
Supported Evaluation Formats

Three ways to evaluate
candidate knowledge

N.O.V.A. supports three distinct evaluation formats — each designed for a different type of examination question.

Official Stripe Token Packages & Pro Membership

N.O.V.A. Pricing & Attempt Credits

Verified directly from `payment.service.ts`. Every new user gets 1 free attempt credit upon registration. Refill attempt tokens or upgrade to Pro Membership.

Type: credits_starter

5 Attempt Credits

Refill your attempt tokens to run individual evaluations.

$3.00One-time payment
  • 5 Defense Attempts
  • Full panel evaluations
  • Answer logs saved
Type: credits

10 Attempt Credits

Standard credit pack for running multiple defense sessions.

$5.00One-time payment
  • 10 Defense Attempts
  • Access to all public stations
  • Verified feedback badge
Best Value
Type: credits_ultra

30 Attempt Credits

Best Value! Refill your tokens to run extensive evaluations.

$12.00Save 33% per token
  • 30 Defense Attempts
  • Access all exam modes
  • Full analytics logging
Unlimited PRO
Type: subscription

Pro AI Panel Membership

Gain unlimited access to all expert AI examiners and grading simulators.

$19.00/ month recurring
  • UNLIMITED Station Defenses
  • PRO Creator & Candidate Badges
  • Unlimited AI Examiner Panels
  • Priority audio synthesis server
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N.O.V.A. Explore Directory

Trending Examination Stations

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FEATURED STATION⌛ 20 mins

PostgreSQL Transaction Locks & Isolation Station

Defend your database scaling solutions live against expert AI panel members. Receive granular grading rubrics and test coverage analytics.

3 AI Examiners
Pass Rate: 84%
Start SimulationPast Attempts
20 mins

PostgreSQL Transaction Locks & Isolation

Defend your database connections pool live against expert AI panel members.

Panelists 3 AI
Pass Rate 84%
Total Attempts142
Defense
15 mins

NextJS Hydration & Server Actions Defense

Demonstrate proficiency in React 19 client-server boundaries and store wrappers.

Panelists 4 AI
Pass Rate 91%
Total Attempts289
Defense
30 mins

Stripe Webhook & Payment Security Audit

Audit Stripe webhook signatures, subscription renewals, and attempt token increments.

Panelists 2 AI
Pass Rate 78%
Total Attempts96
Defense
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N.O.V.A. Explore Station Directory Catalog Screenshot

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Common questions about N.O.V.A. stations, attempt credits, pro membership, and AI examiner panels.

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