Quantum Bob vs Get Good
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum Bob
Engage with real quantum physics experiments by predicting measurement outcomes from actual quantum computer data. Compete against an AI leveraging quantum entanglement and discover the quantum advantage through interactive gameplay and lessons.
- Real quantum measurement data
- Compete against quantum AI
- Local multiplayer
- Interactive lessons
- Progress tracking
- Statistical proof tests
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QuantumBob puts real quantum physics in your hands. Compete against Alice, an AI that uses actual entanglement data from IBM's quantum processor, by guessing measurement outcomes. Can you beat the quantum advantage? PLAY REAL QUANTUM DATA Every round, a real quantum computer has already measured an entangled particle pair. You guess the result — 0 or 1. Alice reads her linked particle and makes the same prediction. The quantum correlations give her an edge that no classical strategy can match. THE QUANTUM ADVANTAGE Without quantum physics, the best any strategy can achieve is 75% accuracy. But Alice's entangled particles push her to about 85%. That 10% gap is physically impossible without quantum mechanics. You'll see it happen in real time as you play. FEATURES - Real quantum measurement data from IBM's Marrakesh quantum processor - Compete against Alice's quantum-powered AI in 10-round ranked games - Challenge friends with local pass-and-play multiplayer - Learn quantum concepts as you play with contextual tips - Track perfect rounds, win average, and Alice's accuracy over time - Explore interactive lessons on entanglement, Bell's theorem, and the Tsirelson bound - Compare real quantum data against classical fakes side by side - Run built-in statistical proof tests that verify the quantum advantage - Game Center leaderboards to compete globally NO PHYSICS DEGREE REQUIRED QuantumBob starts from zero. The interactive tutorial walks you through everything — from "what is 0 and 1?" to "why can't I beat 75%?" to "what makes quantum special?" You'll understand entanglement through playing, not studying. THE SCIENCE BEHIND THE GAME QuantumBob is built on the CHSH Bell experiment, one of the most important experiments in quantum physics. In 2022, the Nobel Prize in Physics was awarded for work proving that quantum entanglement violates Bell inequalities — exactly what you experience every time you play. All quantum data comes from real IBM quantum hardware. No simulations, no random number generators — actual measurements of entangled qubit pairs. Download QuantumBob and discover why quantum physics breaks the rules.
Get Good
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Get Good: Linux helps you learn Linux by doing. Instead of memorizing commands, you follow a clear progression: learn the core concepts, practice one idea at a time, and apply your knowledge through short, hands-on terminal missions. The app is designed to stay approachable for beginners while still giving you room to grow into more advanced command-line skills. Inside the app, you can: Work through guided lessons on navigation, files, search, and permissions Practice drills to reinforce command usage and syntax Use a terminal-style interface to make commands feel real and concrete Study patterns, examples, and common mistakes Review and create custom flashcards Complete mission-style exercises that apply commands in context Track progress, streaks, mastery, and badges Get Good: Linux is built for focused, structured practice in short sessions. It’s ideal for beginners starting from scratch, as well as developers and technical learners looking to reinforce fundamentals. Topics include: Navigating directories and finding your location Listing files (including hidden files) Creating files and folders Reading file contents Searching with grep Understanding permissions and numeric modes The approach is simple: start with the smallest correct command, then build toward more advanced usage as needed. If you want a practical, approachable way to build Linux confidence one command at a time, Get Good: Linux is built for that.
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Verdict
The clearest difference is price: Quantum Bob at Free against Get Good's $0.99. Quantum Bob also leads on update cadence (every 2 days vs every 4 days). Get Good's advantage is iOS requirement (15.1 vs 26.2). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Quantum Bob is free to download; Get Good costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Quantum Bob ships an update every 2 days, Get Good every 4 days. Both last shipped on October 4, 2026.
| Parameter | Quantum Bob | Get Good |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | SquatchCraft LLC | James Sullivan |
In-app purchases
Quantum Bob
No in-app purchases
Get Good
No in-app purchases
Questions
Is Quantum Bob free?
Is Get Good free?
Do Quantum Bob or Get Good have ads?
Which is updated more often, Quantum Bob or Get Good?
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