This professional tool optimizes and controls the loading of trucks and semi-trailers. It provides accurate calculations for weight distribution and forces on kingpins and axles, ensuring safe and efficient operation of any vehicle configuration.





250+ iOS apps curated and reviewed
Every iPhone needs a few good osiok apps. We benchmark 250+ 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 | — | No | No | Oct 2026 | ||
| 2 | Free | 4.7★ (191K) | Yes | No | Nov 2026 | ||
| 3 | Free | 4.5★ (21K) | No | No | Nov 2026 | ||
| 4 | Free | 4.6★ (88) | No | No | Oct 2026 | ||
| 5 | Free | 2.0★ (1) | No | No | Oct 2026 | ||
| 6 | Free | 5.0★ (4) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.5★ (258) | Yes | No | Nov 2026 | ||
| 8 | Free | 4.9★ (13) | Yes | No | Oct 2026 |





This professional tool optimizes and controls the loading of trucks and semi-trailers. It provides accurate calculations for weight distribution and forces on kingpins and axles, ensuring safe and efficient operation of any vehicle configuration.






Get accurate local weather forecasts and alerts, including detailed temperature tracking, snow predictions, and severe weather warnings. Visualize weather patterns with interactive radar and maps, and plan travel with global forecasts for up to 20 cities. Enjoy a beautiful, immersive interface with stunning photography and animated weather modules.






Get precise weather forecasts for your current location or any city worldwide. View detailed information including temperature, wind, humidity, and satellite maps. Stay informed with widgets and Apple Watch support.