EGKAIQuantumCore

EGK Quantum puts a real quantum computer in your hand — not a simulator. Write a circuit, submit it to IBM Quantum or OQTOPUS (Osaka University / Fujitsu - it's unavailable for new user) hardware, and get results explained in plain language by an AI model that runs entirely on your Mac.

REAL QUANTUM HARDWARE
Submit OpenQASM circuits directly to IBM Quantum's Open Plan devices or OQTOPUS-hosted QPUs. EGK Quantum automatically transpiles your circuit into the exact native gate set and physical qubit layout your chosen backend requires, so you can write ordinary gates (H, X, CX, and more) without manually working out hardware-specific decompositions yourself.

AI THAT FIXES YOUR CODE FOR YOU
Quantum circuits fail for all kinds of reasons — a bad qubit index, an unsupported gate, a malformed measurement. Instead of decoding cryptic provider error messages by hand, tap "Fix with AI" and the on-device model reads the actual error, reviews your circuit, and proposes a corrected version right in the editor. You review the suggested fix and apply it with one tap — nothing is changed without your approval, and nothing about your circuit or the error ever leaves your device to produce that fix.

ON-DEVICE AI, ZERO CLOUD ROUND-TRIPS
Every explanation and every suggested fix comes from a language model (Qwen 2.5 or Phi-3.5) running locally via Apple's on-device inference stack. Your circuits, your job results, and your account credentials never touch a third-party AI API. Pick which model powers your reasoning from Settings > AI Models, and switch between them anytime — no rebuild, no reinstall.

SEE EXACTLY WHAT RUNS
A live circuit diagram renders as you type, styled after IBM's own console — gate boxes, qubit wires, and the classical register. Toggle between "As Written" (your original circuit) and "As Submitted (ISA)" to see precisely how your circuit was transpiled for the hardware you're targeting, before you spend a single shot.

BUILT FOR REAL ACCOUNTS
Enter your own IBM Quantum API key and OQTOPUS credentials in Settings — nothing is hardcoded, nothing is shared. EGK Quantum tracks your IBM Open Plan key's estimated validity window and warns you before it expires, so a job never fails because of a stale credential you forgot about.

AI-POWERED CIRCUIT BUILDING
Don't know QASM syntax? Just describe what you want — "a 3-qubit GHZ state,"  "two entangled qubits" — and let the on-device AI draft the circuit for you.

CIRCUIT OPTIMIZATION
Already have a circuit? AI reviews it for redundant or combinable gates and suggests a leaner equivalent, so you spend less time (and quota) on real quantum hardware.

JOB HISTORY
Every circuit you run is saved automatically. Search past jobs by name, device, or provider — pick up right where you left off.

RESULTS COMPARISON
Ran the same circuit on different devices or shot counts? Compare up to 4 results side-by-side with a visual chart, plus an AI-generated summary of what's actually different.

SUBSCRIPTION
EGK Quantum offers a limited number of free circuit runs. Continued use beyond the free allowance requires EGK Quantum Pro, an auto-renewing monthly subscription. The exact subscription title, duration, and price for your region are always shown on the in-app purchase screen before you buy, in accordance with App Store Review Guideline 3.1.2. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple ID Account Settings. Restore Purchases is available on the subscription screen.

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