At the moment, iNavX: Marine Navigation is not available for direct download on a computer. However, you can use emulators to run it on PC. The downside is that using iNavX: Marine Navigation with an emulator might slow down your computer's performance.
Learn how to use iNavX: Marine Navigation on your computer in these 5 simple steps:
Mirror 1: Download for Android
Mirror 2: Get for Android
$7.99 On iTunes