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.






249+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our engine building list covers 249+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.4★ (48) | No | Yes | Sep 2026 | ||
| 2 | Free | — | No | Yes | Aug 2026 | ||
| 3 | Free | 4.4★ (4.4K) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.1★ (65) | Yes | No | Aug 2026 | ||
| 5 | Free | 4.5★ (27K) | Yes | Yes | Sep 2026 | ||
| 6 | Free | 3.9★ (7) | No | No | May 2026 | ||
| 7 | $2.99 | 3.7★ (70) | No | Yes | Sep 2026 | ||
| 8 | Free | — | No | No | Aug 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.











Engage in an economic simulation of car manufacturing from the 1970s to today. Design vehicles, build engines from scratch, and manage a company to become a global automotive leader. Navigate market challenges and historical events to shape your company's legacy.