Protein Guide vs Quantum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protein Guide
Explore the intricate stages of protein structure with detailed diagrams, explanations, and animations. This app serves as a valuable reference for both beginners and experienced individuals, offering insights into unique properties and biological functions.
- Detailed diagrams of protein structure
- Explanations of protein stages
- Animations of protein structures
- Information on unique properties and functions
- Example proteins demonstrating structural aspects
- ClassKit integration for teachers
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Learn about each stage of a proteins structure with detailed diagrams and explanations. This is a great experience if you are just starting out and need to learn about proteins, or if you have lots of experience and want a handy reference with you wherever you go. Protein Guide has a great selection of example proteins to look at, with each demonstrating an aspect of protein structure. There is also more detailed info about the protein, describing unique properties, as well as its function in biological systems. There is also an animation of the proteins' itself to highlight its unique structure. Protein Guide takes advantage of the full iPad canvas. It also supports multitasking, with slide-over and split-view (requires iPad Air 2 and later). This means you can have your protein examples up, while reading or taking notes. Teachers can assign things to read for students in Protein Guide easily with ClassKit.
Quantum
Explore the hidden world of particles with a real-time simulator. Model up to 10,000 particles and experiment with natural phenomena like crystallization and orbital mechanics. Customize interactions and visualize results dynamically.
- Real-time particle simulation
- Model up to 10,000 particles
- Simulate natural phenomena
- Four distinct particle classes
- Customizable rules editor
- Dynamic visualizations
- Interactive control
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Experience the hidden world of particles Quantum is a real-time particle life sandbox for exploring emergent motion, artificial physics, and complex systems. Build fields with up to 10,000 particles, tune how classes attract or repel each other, and watch simple rules turn into flowing structures, swarms, or chaotic patterns. Why Quantum stands out: - Real-time particle simulation with four interacting particle classes. - Seamless 2D fields and perspective 3D volumes with touch rotation. - Rule editor for custom attraction and repulsion matrices. - Temperature, viscosity, solid/fluid edge behavior, and force tools. - Black hole and white hole tools for live interaction. - Save and load fields, rule sets, and color schemes. - P3 color support and vivid visual presets for generative art. Use Quantum as a physics toy, creative sandbox, teaching aid, or generative art lab. It is built for people who enjoy science, cellular automata, n-body systems, chaos, and beautiful simulations.
Screenshots
Verdict
The clearest difference is in-app purchases: Protein Guide at none against Quantum's 6. Protein Guide also leads on iOS requirement (11.0 vs 26.0). Quantum's advantage is review sentiment (81% vs 50%) and update cadence (every 5 weeks vs every 9 months). On price, rating, ads 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
Both are free to download. Quantum sells 3 one-off in-app purchases. Protein Guide asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Protein Guide against 4.8 for Quantum. Both are backed by a comparable volume of ratings — 45 and 151 respectively. Written reviews are what separate them: 50% of Protein Guide's written reviews are positive against 81% of Quantum's.
Protein Guide ships an update every 9 months, Quantum every 5 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Protein Guide | Quantum |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (45 ratings) — better | 4.8 (151 ratings) |
| Positive reviews | 50.0% of reviews | 81.3% of reviews — better |
| Number of ratings | 45 | 151 — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 224 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Axton Pitt | GEORGY OSTROBROD |
Customer experience
Protein Guide
Quantum
In-app purchases
Protein Guide
No in-app purchases
Quantum
- Developer tip2 variants$1.99
- Developer tip2 variants$3.99
- Developer tip2 variants$5.99









