GST Mate - International iPhone GST Calculator
GST Mate is a handy iPhone application that makes working with GST calculations easy.
Use GST Mate to add GST (goods and services tax) to an amount or reverse calculate the GST from an amount that already includes GST.
Simply choose your country and GST rate.
GST Mate has settings for Canada 5%, Singapore 7%, Australia 10% and New Zealand 12.5%.
Enter an amount into either the GST Excluded field or GST Included field, click the Calculate button and GST Mate will do the rest. Click reset to start again with clean empty fields.
GST Mate is handy for businesses, shoppers and travellers.