Gravity Derby vs Swing By
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gravity Derby
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Experience the thrill of gravity-driven marble racing in this fully offline, physics-based simulation game. Every race is unique—your marble’s material, starting lane, skills and the track’s shape all influence the final outcome. Select the powerful skills and activate them at the right moment, gain speed, outplay rivals then win the race. With multiple bevel track layouts, no two runs are ever the same. Slopes, wave platforms, S-curves, spinning wheels, Tesla-style air valves, and other obstacles create unpredictable momentum changes and exciting moments as marbles collide, overtake, and accelerate toward the finish line. Perfect for players who enjoy physics simulations, strategy, and quick competitions. Simple to pick up, satisfying to master. Features Realistic gravity-based physics simulation Multiple textures and marble material types Varied track designs: slopes, wave floors, S-bends, rotating discs, air-valve boosters, and more Offline play with no internet required Fast races perfect for casual sessions Smooth visuals and satisfying sound effects Test your intuition, learn the physics, and become the ultimate marble racing strategist!
Swing By
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Far in deep space, AI robots remain. With memories intact, they return home. Swing By : Deep Space is a physics-based space arcade game inspired by orbital mechanics. Master the art of the Swing-by (gravity assist) maneuver to conserve fuel and gain speed using the gravity of planets. Your precision is the only hope for the AI robots drifting through the void. [Key Features] Realistic Gravity Physics Enter planetary orbits, calculate your trajectory, and launch at the perfect moment. Use gravity as your ally to traverse the vastness of space. Infinite Procedural Universe Explore an endless galaxy where no two flights are the same. Navigate through diverse stellar phenomena, from stable yellow stars to massive red giants and dangerous black holes. Intuitive One-Touch Controls Simple to learn, hard to master. Tap to engage thrusters and break orbit. Survival depends on your timing and foresight. Atmospheric Visuals & Sound Immerse yourself in a minimalist sci-fi world with deep space aesthetics, neon trajectories, and a mesmerizing soundtrack. The Journey Home Experience a subtle, emotional narrative about AI robots carrying undeleted memories of Earth. Ignite your engines. The gravity well awaits.
Screenshots
Verdict
The clearest difference is in-app purchases: Swing By at none against Gravity Derby's 1. Gravity Derby's advantage is iOS requirement (13.0 vs 15). On price, 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. Gravity Derby sells 1 one-off in-app purchase. Swing By asks for nothing beyond the download.
| Parameter | Gravity Derby | Swing By |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15 |
| Further details — not scored | ||
| Size | 774 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | 云飞 徐 | woongkyum kim |
In-app purchases
Gravity Derby
- 100 Skin Coins$0.99
Swing By
No in-app purchases








