The android-based application developed and released by Transas Marine Ltd. It will required the Jelly Bean operation system or later to run properly. This software is a very easy-to-use navigational system which was specifically created for the amateur seafarers. It may be used on boats yachts and boats. No any malware inside. It works using the built-in GPS receiver or with any other device that can be identified by your android device and work as the source of the data for Location Services. The Location Services feature on you device must be enabled and allow the iSailor to use it. Definitely useful program for sailors.