Countersunk Apps

Analyse, understand, and manage your debts. Use the best strategy to a debt free future!Being in debt can be overwhelming. This app breaks down your d …

Simple Optical Design is a quick way to layout optical designs as a 'first approximation'. It is intended for optics students and professional …

Have you ever been given a hire car without a full tank of fuel/gas? Trying to estimate how much to put in the car after you've used it is tricky. …

Never let a good gift idea get away! All Wrapped Up is a gift list app designed to make it easy to record ideas for those you care about over the cour …