QuantumNative vs Ket Steps

No hype. Just quantum, explained honestly. Quantum computing finally makes sense. QuantumNative turns one of the hardest subjects in science into a guided journey you can actually finish — starting from two classic experiments and simple pictures, made precise step by step, all the way to real quantum algorithms. And it never pretends to know more than it does. NEW: FROM EXPERIMENTS TO GEOMETRY — FREE, NO SIGN-IN • Start with two short experiments where everyday intuition fails — three polarizers and an interferometer — and three rules that explain them • See the same rules as an arrow on a circle: gates turn it, measuring casts its shadow, two mirror flips make a turn — up to complex numbers and two entangled qubits • Predict before you run, redraw the picture from memory (Apple Pencil, finger or typed numbers), replay how you drew it, and explain it in one sentence • Your drawing replay and your sentence stay on your device; every experiment is simulated and labelled as such HONESTY YOU CAN SEE • AI tutor answers carry a visible verification badge — a green Verified badge when it comes straight from the reviewed knowledge base, AI-checked when it aligns with it, Low confidence when it doesn't — so you always know how much weight to give it • The check runs in your language, and answers that repeat a known misconception are downgraded on the spot • Concept pages show the sources they rest on, and fast-moving facts carry an "as of" date • Open questions are labeled as open: where scientists still disagree, the app says so A CONCEPT LIBRARY THAT KEEPS GROWING — NOW 77 CONCEPTS • Every concept verified against real sources — from qubits, gates, and algorithms to how today's quantum hardware works • Now covering the frontier: logical qubits and error correction, magic states, topological qubits (with the honest state of that debate) and quantum-safe encryption • Each concept comes with a plain-language analogy, a precise definition, the common misconceptions to avoid, and a practice quiz — in 7 languages • Animated visualizations that make the invisible visible — now one for every advanced topic MEET LUMEN, YOUR QUANTUM TUTOR Lumen answers in plain language, adapts its explanations to your level and background, and speaks all 7 languages. It is built to be honest: it stays grounded in verified lessons and tells you when it isn't sure instead of bluffing. Ask anything, get unstuck, and learn the why — not just the what. A CURRICULUM THAT BUILDS • A structured 46-level path from "What is a qubit?" to today's frontier topics — levels 1–5 are free • Bite-sized, gamified lessons with XP, badges, streaks, and daily challenges A REAL HANDS-ON LAB (PRO) • Guided gate missions and qubit puzzles tied to the levels you are learning • A step-by-step sandbox that simulates the circuit you build and samples its results — clearly labelled as a simulation LEARN ANYWHERE — AND PICK UP WHERE YOU LEFT OFF • Sign in and your progress — levels, XP, streaks and tutor conversations — syncs across iPhone, iPad and Mac • Start a lesson, ask the tutor or open the daily quiz with Siri and Shortcuts • Core lessons work offline FREE TO START Take the new geometry path and the first five levels for free and ask the AI tutor a few questions a day at no cost. Upgrade to Pro to unlock the full 46-level curriculum, 200 tutor messages a day, and the hands-on lab. Whether you're a complete beginner, a student or teaching yourself, QuantumNative is a friendly place to start and a deep place to stay. — Pro is an auto-renewable subscription. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Prices shown in-app. Terms of Use (EULA): https://edu.swiftquantum.tech/terms Privacy Policy: https://edu.swiftquantum.tech/privacy

Ket Steps is a symbolic workpad for quantum states. Define kets, bras, and operators in standard bra-ket notation, compose them, and get exact results (fractions, imaginary units, and ...) without numeric approximation unless you ask for it. Each line is a typed, labeled object. Select two, apply an operation, and the result appears contrasted against the input for quick validation, not just the answer. Every result exports to LaTeX with a single tap. **What it does today** Single- and multi-qubit states, tensor products, standard operators (Pauli X/Y/Z, Hadamard, and more), inner products, outer products, and operator-ket application. Exact symbolic arithmetic throughout. Norm validation on every state. A growing library of named objects to insert with one tap. **Where it's going** Ket Steps aims to become a complete toolkit for quantum information theory. Join our Kets on their journey. **Privacy** Everything stays on your device. No data is collected, transmitted, or stored anywhere else.