Comparison

GHZ state vs QuantumNative

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

GHZ state

Features
Read full description

This app represents the quantum circuit for Greenberger-Horne-Zeilinger state. You can find GHZ states for various initial states.

About

QuantumNative

Features
Read full description

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 โ€” 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 โ€” FREE, NO SIGN-IN โ€ข Start with two short experiments where everyday intuition fails โ€” three polarizers and an interferometer โ€” and three rules that explain them โ€ข See the same rules as an arrow on a circle: gates turn it, measuring casts its shadow, two mirror flips make a turn โ€” up to complex numbers and two entangled qubits โ€ข 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 โ€ข Your drawing replay and your sentence stay on your device; every experiment is simulated and labelled as such HONESTY YOU CAN SEE โ€ข AI tutor answers carry a visible verification badge โ€” 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 โ€” so you always know how much weight to give it โ€ข The check runs in your language, and answers that repeat a known misconception are downgraded on the spot โ€ข Concept pages show the sources they rest on, and fast-moving facts carry an "as of" date โ€ข Open questions are labeled as open: where scientists still disagree, the app says so A CONCEPT LIBRARY THAT KEEPS GROWING โ€” NOW 77 CONCEPTS โ€ข Every concept verified against real sources โ€” from qubits, gates, and algorithms to how today's quantum hardware works โ€ข Now covering the frontier: logical qubits and error correction, magic states, topological qubits (with the honest state of that debate) and quantum-safe encryption โ€ข Each concept comes with a plain-language analogy, a precise definition, the common misconceptions to avoid, and a practice quiz โ€” in 7 languages โ€ข Animated visualizations that make the invisible visible โ€” 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 โ€” not just the what. A CURRICULUM THAT BUILDS โ€ข A structured 46-level path from "What is a qubit?" to today's frontier topics โ€” levels 1โ€“5 are free โ€ข Bite-sized, gamified lessons with XP, badges, streaks, and daily challenges A REAL HANDS-ON LAB (PRO) โ€ข Guided gate missions and qubit puzzles tied to the levels you are learning โ€ข A step-by-step sandbox that simulates the circuit you build and samples its results โ€” clearly labelled as a simulation LEARN ANYWHERE โ€” AND PICK UP WHERE YOU LEFT OFF โ€ข Sign in and your progress โ€” levels, XP, streaks and tutor conversations โ€” syncs across iPhone, iPad and Mac โ€ข Start a lesson, ask the tutor or open the daily quiz with Siri and Shortcuts โ€ข 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. โ€” 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

Screenshots

GHZ state2 screens
QuantumNative4 screens

Verdict

The call

The clearest difference is in-app purchases: GHZ state at none against QuantumNative's 5. GHZ state also leads on iOS requirement (16 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. QuantumNative sells 5 in-app purchases, starting at $14.99 per month. GHZ state asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
GHZ state versus QuantumNative: the parameters behind the verdict, then further details
ParameterGHZ stateQuantumNative
PriceFreeFree
Update frequencyโ€”Every 9 days
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS16 โ€” better26.0
Further details โ€” not scored
Size6 MB48 MB
Age rating4+4+
DeveloperSungjun KimEUNMIN PARK

In-app purchases

None

GHZ state

No in-app purchases

5 purchases

QuantumNative

Subscriptions2
  • Pro Monthly$14.991 Month
  • Pro Yearly$99.991 Year
One-time3
  • Streak Repair$0.99
  • AI Credits (50)$2.99
  • QPU Credits (10)$4.99

Questions

Is GHZ state free?
GHZ state is free to download, with no in-app purchases.
Is QuantumNative free?
QuantumNative is free to download, with in-app purchases available.
Do GHZ state or QuantumNative have ads?
Neither GHZ state nor QuantumNative shows ads.

Other comparisons