Explore the physics of piston engines by building, tuning, and testing them. Simulate combustion and rigid body motion in real-time. Compete with others on a global leaderboard by posting your creations.






250+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our engine building list covers 250+ iPhone apps and games updated through September 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (90) | No | Yes | Sep 2026 | ||
| 2 | Free | 3.9★ (7) | No | No | May 2026 | ||
| 3 | Free | — | No | Yes | Sep 2026 | ||
| 4 | Free | 4.4★ (4.4K) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.1★ (65) | Yes | No | Sep 2026 | ||
| 6 | Free | 4.5★ (27K) | Yes | Yes | Sep 2026 | ||
| 7 | $7.99 | 4.4★ (7) | No | No | Sep 2026 | ||
| 8 | Free | 5.0★ (1) | No | No | Sep 2026 |






Explore the physics of piston engines by building, tuning, and testing them. Simulate combustion and rigid body motion in real-time. Compete with others on a global leaderboard by posting your creations.


Explore engine mechanics in 3D and augmented reality. Visualize internal components, understand functions, and interact with a realistic engine model. Features include X-ray view, RPM control, and voice assistance for pronunciation.




