Pricing
Learn for free.Build without limits.
Every lesson, example, and interactive tool is free. Pro removes the cap on qubits and circuit saves, and unlocks full export for professional workflows.
Recommended
Pro
For researchers and builders
€25/month
Cancel anytime. Billed monthly via Stripe.
Full feature comparison
Free
Pro
Circuit Simulator
Quantum gates (X, Z, H, CNOT, CZ, CP, Swap, Toffoli, Phase, Measure)
Parameterized gates (RX, RY, RZ, U3)
Inline probes (Bloch, Chance, Amplitude)
Bloch sphere + histogram visualization
Step-through mode with guided explanations
6 built-in examples (Bell, GHZ, Deutsch, ...)
Qubit count
Up to 6
Unlimited
Noise simulation (density matrix)
Circuit sharing via URL
Export as OpenQASM and JSON
Save and Load
Save circuits to your account
Up to 50
Load and update saved circuits
Access from any device
Wiring Studio
3D and 2D cryostat visualization
Real cryostat presets (Bluefors, QD Proteox)
Custom qubit-count generation
Thermal simulation analysis
Component reference catalog
Learning
Flagship interactive course (5 chapters)
Structured lessons with formulas
Gate reference with matrices
Prediction-before-reveal quizzes
All learning content stays free forever — lessons, examples, the interactive flagship course, and the gate reference. Pro unlocks the tools you need for real research. Payments are handled securely by Stripe. Cancel anytime from your Stripe billing portal — you keep access until the end of your billing period.