PROGRAMS BY iSTUDIO Mobile

Want to save fuel, reduce emissions, greater engine life, better overall power, reliability and consistency? This App is for you!✔ EFI calculator designed for EFI Tuners and enthusiasts like MegaSquirt ECU, msDroid or

Engine Calculator Pro is an easy to use static compression ratio calculator. It will also calculate dynamic compression ratio based on camshaft intake-closing point and connecting-rod length. This calculator also helps you ca

Engine Builder is an easy to use static and dynamic compression ratio calculator for almost any engine type. Dynamic compression ratio is calculated based on camshaft intake-closing point and connecting-rod length. The App al