Gravity! vs Graviton Sim
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/
Graviton Sim
Explore the fascinating world of gravity and orbital mechanics through interactive physics simulations. This application allows users to experiment with gravitational forces and observe celestial body interactions. It's designed for educational purposes, making complex concepts accessible.
- Gravity physics simulation
- Orbital mechanics exploration
- Celestial body interactions
- Interactive experimentation
- Educational tool
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A physics simulation exploring gravitational dynamics and orbital mechanics.
Screenshots
Verdict
The clearest difference is rating: Gravity! at 3.9 against Graviton Sim's 1.0. Gravity! also leads on ratings volume (18 vs 1). Graviton Sim's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement 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. Graviton Sim asks for nothing beyond the download.
Gravity! holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Gravity! has 18 ratings behind it against 1, so its average is the more settled of the two.
Gravity! ships an update every 2 months, Graviton Sim every 9 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Gravity! | Graviton Sim |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (18 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 73.5% of reviews | — |
| Number of ratings | 18 — better | 1 |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 17 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Marc Davis | Scott Carnett |
In-app purchases
Gravity!
- Gravity! Extended Edition$0.99
Graviton Sim
No in-app purchases
