SwiftQuantum IDE — The Quantum Circuit Simulator That Runs on Your iPhone
3-engine hybrid simulation up to 127 qubits. Drag-and-drop circuit editor. Bloch sphere. QEC decoder. All native SwiftUI.
I'm a full-stack developer with 5+ years of experience, specializing in iOS development and emerging technologies. My journey started with art studies but evolved into a passion for creating digital solutions. Currently, I'm pioneering quantum computing in mobile development through my open-source SwiftQuantum library, making quantum algorithms accessible to iOS developers. Recent Highlights:
Won Excellence Award at 2024 Open Data Forum for "Woorinara" - a public service app for foreign residents Developed government-supported blockchain applications for Korea's Ministry of Science and ICT Created AI-powered startup platforms and real-time streaming services
I focus on bridging advanced technologies with practical applications, from quantum computing concepts to citizen-focused government services. My work spans iOS native development, cross-platform solutions, and full-stack web applications. Core Philosophy: Making complex technologies accessible and solving real-world problems through clean, maintainable code. Background: Self-taught developer who transitioned from fine arts, bringing a unique perspective to user experience design and technical problem-solving. Connect with me on LinkedIn or explore my quantum computing work at SwiftQuantum.
SwiftQuantum IDE — The Quantum Circuit Simulator That Runs on Your iPhone
I built a quantum circuit simulator that runs natively on iPhone, iPad, and Mac.
Not a web wrapper. Not a Jupyter notebook. A native SwiftUI application with drag-and-drop circuit editing, real-time Bloch sphere visualization, and simulation up to 127 qubits.
This is SwiftQuantum IDE.
Why Does This Exist?
Every quantum computing tool today assumes you are sitting at a desktop with Python installed. Qiskit needs Anaconda. Cirq needs a terminal. Pennylane needs Jupyter.
I wanted to design quantum circuits on the couch. On the train. In a coffee shop. With my finger.
So I built it.
The 3-Engine Architecture
SwiftQuantum does not use a single simulation backend. It uses three — and picks the right one automatically.
Standard Engine — Pure Python statevector simulation. Handles 1-10 qubits. Free tier. Great for learning.
Turbo Engine — Rust and C++ accelerated. 11-20 qubits. The speedup is 40x over Standard for a 15-qubit GHZ circuit. Pro tier.
HyperCore Engine — Rust/C++ with Metal GPU acceleration. 21-127 qubits. A 30-qubit Grover search that takes 47 seconds on Turbo completes in 3.2 seconds on HyperCore. Team and Enterprise tier.
The app detects your qubit count and routes to the optimal engine. You never have to think about it.
What You Can Actually Do
Circuit Editor — Drag and drop 15+ quantum gates: H, X, Y, Z, S, T, CNOT, CZ, SWAP, Toffoli, Rx, Ry, Rz, and custom unitaries. Multi-qubit circuits with visual wire connections.
Bloch Sphere — Real-time 3D visualization of single-qubit states. Watch the state vector rotate as you add gates.
QEC Decoder — Quantum Error Correction simulator with Surface Code syndrome analysis. Inject X/Z errors, watch syndrome extraction, see the decoder find and correct errors.
Polyglot Transpiler — Export your circuit to OpenQASM 2.0, Qiskit Python, Cirq, or Q# format. Design on iPhone, run on IBM Quantum.
Quantum Linter (Watchdog) — Static analysis for your circuits. Detects unused qubits, redundant gate pairs, measurement before entanglement. Free gets detection. Pro gets fix suggestions. Team gets auto-fix.
macOS Native
The full IDE runs natively on Mac. Same features, bigger workspace.
Post-Quantum Cryptography (Enterprise)
The PQC Migration Code Generator scans C++ and Python codebases, performs a 22-gate quantum threat mapping (Shor's, Grover's, Simon's algorithms), and generates NIST FIPS 203/204/205/206 compliant migration code.
This is not a report. It generates actual patch code.
The Numbers
- 15+ quantum gates
- 3 simulation engines
- Up to 127 qubits
- 7 languages (EN, KO, JA, ZH, DE, FR, ES)
- 96 Swift source files, 48 SwiftUI views
- iPhone, iPad, and Mac
Pricing
- Free — 5 qubits, Standard engine, basic visualization
- Pro — $12.99/mo — 20 qubits, Turbo engine, Bloch sphere, transpiler
- Team — $29.99/mo — 30 qubits, HyperCore engine, QEC decoder, on-device AI
- Enterprise — $99.99/mo — 127 qubits, PQC migration, SSO, dedicated QPU queue
Download
Available now on the App Store:
SwiftQuantum IDE on the App Store
Built Solo in Seoul
This is one of 8 apps in the SwiftQuantum quantum computing ecosystem. All built by one person.
The full ecosystem: SwiftQuantum IDE (simulate) → Q-Bridge (run on real QPUs) → QuantumNative (learn) → QuantumCareer (get hired) → Q-Alpha Oracle (financial risk) → Q-Shield Sentinel (security) → Q-Bio Genesis (drug interactions) → Q-Logos (logistics).
Found a bug or have a suggestion? Leave a comment below — I will fix it immediately.
