Izatt today announced MileBug 1.4, the latest release of its flagship iPhone app in both full and lite versions. Version 1.4 is compatible with iPhone OS 3.0, includes a new Lite icon, easy access to the MileBug blog, and more. MileBug helps those driving their own vehicles for business, charity, medical, or other reasons receive their reimbursement and/or tax deduction. MileBug provides the option to track miles or kilometers as well as enter custom rates.