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.






246+ iOS apps & games curated and reviewed
Out of 246+ game engine fixing on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (98) | No | Yes | Oct 2026 | ||
| 2 | Free | 4.5★ (27K) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.8★ (3.9K) | Yes | Yes | Oct 2026 | ||
| 4 | Free | 2.3★ (6) | No | No | Oct 2026 | ||
| 5 | Free | 4.7★ (3) | No | No | Sep 2026 | ||
| 6 | Free | 4.7★ (196) | Yes | No | Oct 2026 | ||
| 7 | Free | 4.5★ (26) | No | No | Oct 2026 | ||
| 8 | Free | 4.5★ (8.8K) | No | Yes | Oct 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.






Restore, customize, and sell a variety of vehicles in this immersive auto repair simulation. Engage in detailed mechanical work, body repairs, and even car wash and detailing services. Test your creations on the track and become the ultimate car mechanic.






Step into a virtual garage and become a mechanic specializing in classic Soviet and European vehicles. Repair intricate car parts, customize vehicles with unique modifications, and even test your creations in thrilling races. Expand your workshop and collection as you progress.