AI-driven prep for Indian competitive exams

AI that knows where you'll lose marks, before you do.

TestCrux generates personalized tests around your weak topics, explains every mistake step-by-step, and tracks your growth in real time. Built for SSC, Banking, UPSC, JEE, NEET, GATE and more.

10,000+ aspirants8 exams · growingAvg. score lift +18%
AI Insights
analyzing…updated 2s ago

Accuracy trend · last 7 weeks

78%+9%

+12% vs last week
80%60%40%
W1W2W3W4W5W6W7
78%

Overall

Accuracy

across 142 attempts

Topic strength

  • Quant82%
  • Reasoning71%
  • English65%
  • GK58%
  • You're 23% faster on Quant than last week.
  • Focus on Time-Speed-Distance. 4 weak topics detected.
  • Predicted percentile 86.4 if you keep this pace.

AI-generated test

20 Qs · tuned to your weak topics

Ready

150+

Exams Covered

7,000+

Mock Tests

6L+

Practice Questions

100+

New Questions Daily

Fresh content added daily

CruxAI · Available now

AI that prepares you, without doing it for you

Tap a chip for a hint mid-test. Submit and get a personal report. Review with step-by-step explanations. No chatbot. No spoilers. Just useful, grounded help.

In-test helper

Stuck? Tap a chip — never see the answer

Six structured prompts: Hint, Concept, Shortcut, Eliminate options, Mnemonic, Formula. Test Mode is locked — the AI literally cannot leak the correct option.

HintConceptShortcutEliminateMnemonicFormula
CruxAI hintNo answer leaked
CruxAI Report

A diagnostic that knows your test

Submit any attempt and get a full breakdown: topic mastery, time-vs-accuracy, your biggest leak, and a prioritized 3-step plan. Generated once per attempt — yours forever.

CruxAI ReportSSC CGL · Mock 04
Time & Work82%
Profit & Loss64%
Geometry38%
DI71%

Biggest leak: Geometry — −12 marks lost

Review mode

Walk through every wrong answer

In review, three chips replace the silent answer key: Review my answer, Explain the correct method, and Diagram for visual problems. Math, LaTeX and figures, rendered inline.

Review my answerExplainDiagram
Why your answer was wrong
  1. You used the diameter — formula needs radius
  2. Apply A = π r²
  3. Correct value: 154 cm²

Simple & Effective

How TestCrux Works

Step 01

Pick Your Exam & Goal

Choose from 100+ exams. Use a pre-built mock or let the AI assemble a test around your weak topics, target difficulty, and time budget.

Step 02

Take the Test

Experience the real exam interface with NTA-style palette, section switching, timer, and question navigation. Just like exam day.

Step 03

Get Smarter After Every Test

Instant scorecard, AI step-by-step solutions for every miss, topic heatmaps, and a personalized next-test recommendation, generated automatically.

Built for Serious Aspirants

Everything Else You'd Expect, Done Right

Real exam UX, time intelligence, and reliability. The foundation our AI sits on.

Real Exam Interface

Exact NTA, TCS iON, and IBPS exam layout: 5-color question palette, section tabs, mark-for-review, and navigation. Exam day feels familiar.

Time Intelligence

Per-question time tracking, overtime alerts, and time-vs-accuracy plots. The AI flags questions where you spent too long on the wrong path.

Configurable Tests

Pick difficulty per section, filter topics, choose timed or practice mode, enable section locking, or let AI build it for you in one tap.

Bilingual by Default

Switch between English and Hindi mid-test without losing progress. Full bilingual coverage on questions, options, and AI explanations.

Never Lose Progress

Auto-save every 15 seconds, crash recovery, and offline resilience. Close your browser mid-test and pick up right where you left off.

Verified Question Bank

Previous-year papers, expert-curated mocks, and AI-generated practice, all reviewed by subject experts before they reach you.

The Difference

Why Aspirants Choose TestCrux

Most platforms give you a score and move on. TestCrux runs an AI diagnostic on every attempt, so every test is a learning opportunity, not just a number.

“Other platforms say: Score 156/200”

TestCrux AI says: “156/200. Your Data Interpretation accuracy dropped 18% vs last test. You lost 12 marks to negative marking on easy questions. I've generated a 20-question DI bar-chart drill. Start it now.”

FeatureTestCruxOthers
AI-personalized tests around your weak topics
Step-by-step AI solutions for every wrong answer
Real exam interface (NTA / IBPS layout)
Topic-wise heatmap with priority ranking
Per-question time tracking & analysis
Negative marking impact breakdown
Crash recovery & auto-savePartial
Hindi + English bilingual tests

CruxAI Pro · Coming soon

What Pro unlocks for serious aspirants

We're building the features that turn mock scores into rank certainty. Get on the launch list — early users grab our best launch discount.

Exam PredictorPro · Soon

Your projected score, before the exam

After 3+ mocks, CruxAI projects your real-exam score band, safe-pass cut-off, and the exact mark gain you need to clear top colleges.

SSC CGL · projectionLikely qualifies
Projected score
142 – 154/ 200
Cut-off · 138You · 142–154Target · 160
+6 marks to reach top 10%
AI Doubt SolverPro · Soon

Step-by-step solution for any question

Tap any PYQ or mock question and get a worked solution — every step explained, every shortcut shown, every common trap flagged.

Question · Algebra
x⁴ − 5x² + 4 = 0
1Identify: this is a quadratic in disguise
2Substitute t = x² to linearize
3Solve for t, back-substitute, verify±2, ±1
Personalized PracticePro · Soon

A new test for whatever you're weak at

One tap generates a focused drill — weak topics, formula recall, chapter booster, or a speed/accuracy challenge built from your last attempts.

Weak topics3FormulasChapter boostSpeedAccuracyCustom
Today's drill: Geometry
Start →
Topper BenchmarkingPro · Soon

See exactly where toppers pull ahead

Topic-by-topic percentile, your gap from the top 10%, where the toppers spend their time, and what you should change next.

Score distribution · 12,418 aspirants
You · 62%
Top 10%
Toppers spend 2.1× longer on DI — and gain 18 marks there

Plus: Unlimited mocks · Unlimited PYQ · Unlimited AI helper · Smart Test Analysis · Curated PYQ sets · Custom test with CruxAI guidance.

Pricing

Free is genuinely free. Pro is genuinely powerful.

Get full exam access, daily AI help, and a daily in-depth report on the Free plan. Upgrade to Pro when you want unlimited mocks, deeper analytics, and a personalized practice engine.

Free

Daily AI included

Real prep, real AI — zero card details.

₹0/ forever
  • Full access to every exam & test in the catalogue
  • 3 mock tests per day
  • CruxAI chat · 25 questions per day (Hint, Concept, Shortcut)
  • 1 CruxAI Report per day with in-depth analysis
  • Custom test generation · by topic, section & exam
  • Multilingual support · English + regional languages across all exams
  • Multilingual CruxAI chat & reports
  • Score, percentile & basic analytics
  • Enhanced report features · coming soon, still free
Start free
Coming soon

CruxAI Pro

Built for serious aspirants chasing rank.

₹—· launch pricing TBD

Early-list members lock in our best launch price for life.

Everything in Free, plus:

  • Unlimited mocks & PYQ
  • Comprehensive CruxAI · all 6 chips (Hint, Concept, Shortcut, Eliminate, Mnemonic, Formula) with high daily limits
  • 10 CruxAI Reports daily
  • CruxAI step-by-step solutions · for every question
  • Personalized Practice Engine · drills built from your topics & past report analysis
  • Advanced custom tests · CruxAI-guided by weakness, formula, speed & accuracy
  • Curated PYQ sets · hand-picked, weighted by exam pattern
  • Smart Test Analysis · percentile prediction & rank projection
  • Exam Predictor · projected score band & improvement target
  • Topper Benchmarking · gap from top 10%, topic-by-topic

We'll email you once. No spam — unsubscribe in one click.

Pricing & feature scope may evolve before launch. Early-list members get the locked-in price regardless.

Frequently asked

Everything you wanted to know

Still curious? Reach out — we read every message.

Stop Guessing. Start Knowing.

Take your first mock test for free. Get your scorecard, see where you stand, and know exactly what to work on, all in 30 minutes.

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