Van Dillen IT is rated 3 out of 5 in the category computer software. Read and write reviews about Van Dillen IT. Van Dillen IT is a software development company with a strong focus on mobile solutions. We specialise in the complete development process for the platforms Android, iOS (iPhone and iPad) and Windows Phone. We use an agile project management method to ensure flexibility and close collaboration with the customer. This has resulted in a number of successful projects in the recent past.