Gravity! vs Orbital Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gravity!
Simulate the forces of gravity by flinging particles and observing their interactions. Create celestial bodies like planets and black holes, and customize their properties. Explore vast cosmic simulations with intuitive zoom and pan controls.
- Gravity simulation
- Particle interaction
- Create solar systems
- Add black holes
- Adjust particle properties
- Zoom and pan controls
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This app simulates the effects of gravity. You can fling particles at each other and watch them interact. Create solar systems and galaxies! Make a planet and fling asteroids into it! Add a black hole and watch everything get sucked in! You can adjust the size, mass, and color of the particles! Zoom in and out and look around with two fingers! App Preview Music: "Mesmerizing Galaxy " Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/by/4.0/
Orbital Simulator
Explore orbital mechanics through interactive simulations and real-time solar system data. Learn about Kepler's Laws, practice orbital maneuvers, and engage in mission objectives. Ideal for students and space enthusiasts.
- Interactive orbital simulations
- Kepler's Laws visualization
- Orbital maneuver practice
- Real-time solar system view
- Customizable orbital parameters
- Detailed educational content
- Mission-based challenges
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Embark on an interactive journey through space with Orbital Simulator: Explore. This comprehensive app is designed to educate and engage users of all levels, from space enthusiasts to students, offering a deep dive into the fascinating world of orbital mechanics. Key Features: Interactive Simulations: Experiment with circular, elliptical, and hyperbolic orbits. See how changing parameters like semi-major axis, eccentricity, and inclination affect trajectories. Kepler’s Laws: Visualize and understand Kepler’s three laws of planetary motion with clear, interactive simulations. Orbital Maneuvers: Practice key maneuvers such as Hohmann transfers, Lambert transfers, and circularizations. Learn how these maneuvers are used in real space missions. Real-Time Solar System: View real-time positions of planets and moons within our solar system. Understand how celestial bodies interact and move over time. Customizable Parameters: Adjust orbital parameters and see the immediate effects on your spacecraft's trajectory. Experiment with different scenarios and learn through hands-on experience. Educational Content: Access detailed explanations, tutorials, and guides designed to enhance your understanding of space mechanics and celestial navigation. Dynamic Environment: Navigate complex gravitational fields in various scenarios, including binary star systems and multi-body interactions. Mission Objectives: Engage in missions that challenge you to establish orbits, perform transfers, and navigate through dynamic environments. Each mission helps you apply theoretical knowledge to practical scenarios. Visual Trajectory Paths: Visualize the path of your spacecraft with real-time trajectory lines. Understand the impact of your maneuvers and improve your navigation skills. Why Choose Orbital Simulator: Explore? For Space Enthusiasts and Students: Whether you’re a budding astronomer or a seasoned space enthusiast, this app offers valuable insights and engaging content for all levels. Educational Tool: Ideal for classroom settings or individual study, providing interactive and immersive learning experiences. User-Friendly Interface: Intuitive controls and clear visuals make it easy to understand complex concepts. Constant Updates: We continuously update the app with new features, scenarios, and educational content to keep your learning experience fresh and relevant. Download Orbital Simulator: Explore now and embark on your journey through the stars. Master the art of orbital mechanics, explore the intricacies of celestial navigation, and experience the wonder of the cosmos. Join a community of space enthusiasts and students who are exploring the universe, one orbit at a time. Ready to become an orbital mechanic? Your adventure starts here!
Screenshots
Verdict
The clearest difference is rating: Orbital Simulator at 5.0 against Gravity!'s 3.9. Orbital Simulator also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 2 months). Gravity!'s advantage is ads (none vs shown) and ratings volume (18 vs 5). On price 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. Gravity! sells 1 one-off in-app purchase. Orbital Simulator asks for nothing beyond the download.
Orbital Simulator holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 18 and 5 respectively.
Gravity! ships an update every 2 months, Orbital Simulator fortnightly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | Gravity! | Orbital Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (18 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 73.5% of reviews | — |
| Number of ratings | 18 — better | 5 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 247 MB |
| Age rating | 4+ | 17+ |
| Developer | Marc Davis | Renzo Macedo |
Customer experience
Gravity!
Orbital Simulator
In-app purchases
Gravity!
- Gravity! Extended Edition$0.99
Orbital Simulator
No in-app purchases







