GST Kiwi is a simple and efficient calculator for the New Zealand Goods and Services Tax. It is the fastest and most straightforward GST app available on the App Store. The app allows you to enter a value in one of three boxes, and the other values are calculated as you key in the numbers. GST Kiwi is useful in three specific cases, including removing GST, adding GST, and working backward.

The app has several features that make it great, starting with the copy and paste capability, which allows starting values to be pasted into any field, and results can be copied and pasted into other apps. The large number-pad is quick and easy to use, and results are calculated and displayed as you key in the numbers. Additionally, you can tap the clear button in any of the boxes to reset the calculation. GST Kiwi is a Universal app, meaning you only buy it once and can install it for free on your iPhone, iPod Touch, and iPad.

Overall, GST Kiwi is an excellent app for people who need to calculate GST values quickly and efficiently. The app is user-friendly and straightforward, and it delivers the results you need in a matter of seconds.