250+ iOS apps & games curated and reviewed
Engine Simulator is the household name in engine builder, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (136) | No | Yes | Oct 2026 | |
| 2 |  | Free | 3.0★ (1) | No | Yes | Oct 2026 | |
| 3 |  | Free | 3.6★ (5) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.7★ (12) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 3.6★ (8) | No | No | Oct 2026 | |
| 6 |  | Free | 3.0★ (6) | No | No | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | — | Yes | 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.
Explore engine mechanics with a touch-first simulator. Build, tune, and test custom engines, observing animations and hearing synthesized exhaust sounds. Export your creations as WAV files.
