Design and assemble custom cars by selecting the right parts to increase their value. Race them on a ramp and avoid mistakes to maximize your earnings. Unlock new levels as you progress.





128+ iOS apps & games curated and reviewed
Every iPhone needs a few good assembly lines apps and games. We benchmark 128+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (10) | Yes | No | May 2026 | ||
| 2 | Free | 4.8★ (1.5K) | Yes | No | Oct 2026 | ||
| 3 | Free | — | No | No | Jun 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 4.2★ (57) | No | No | Aug 2026 | ||
| 6 | Free | 4.7★ (29) | No | Yes | Oct 2026 | ||
| 7 | Free | 4.6★ (1K) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 4.3★ (4.6K) | No | No | Oct 2026 |





Design and assemble custom cars by selecting the right parts to increase their value. Race them on a ramp and avoid mistakes to maximize your earnings. Unlock new levels as you progress.






Build and manage a factory to craft and sell resources. Optimize your assembly line with various machines and upgrades to maximize profits, even while offline. Discover new resources and make strategic decisions to grow your industrial empire.


