# NZ GST Calculator > New Zealand GST calculator for adding or removing 15% tax. (iPhone/iPad app by Evan Sunley James.) - Source: https://appshunter.io/ios/app/nz-gst-calculator/id473624033 (this page in markdown: same URL + `.md`) - Developer: [Evan Sunley James](https://appshunter.io/developer/1809446706) - Category: Utilities, Finance - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 16.4 · 4 MB - Languages: American English - Released: 2011-11-08 - Data updated: 2026-06-05 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/nz-gst-calculator/id473624033/reviews.md ## What is NZ GST Calculator? Need to know how much GST you're paying on that latest purchase? Need to know how much GST to lump on top of that sweet invoice you're sending away? And you're in New Zealand? Great! That's what this app does, and it's all this app does. Punch in a number, then hit "Add GST" to see what that number would look like with 15% added onto it. Or hit "Remove GST" to see what it would have looked like before the IRD stamped their mark on it. Double-tap any of the small totals to copy them to your clipboard, or double-tap the input number to copy the whole lot. Magic. Upgrade to NZ GST Pro to remove in-app upgrade reminders and unlock calculator functions for hours of tax calculation fun! ## Key features - Add 15% GST - Remove 15% GST - Copy totals to clipboard - Copy input number to clipboard - Unlock Pro features ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Pro Upgrade | $2.99 | one-time | | A small tip | $0.99 | one-time | | A grand gesture | $9.99 | one-time | | A medium-sized gratuity | $2.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/nz-gst-calculator/id473624033/reviews.md ### 5/5 — Why? *2020-03-23, version 3.0.0* Can anyone tell me why this wonderful app isn’t working anymore? 😢 ### 5/5 — Best GST App in the Store! *2012-04-19, version 1.0.2* Elegant, sleek and simple. Brilliant! ### 5/5 — Awesome *2012-03-18, version 1.0.1* This will come in very handy for me, cheers!! ## Frequently asked questions about NZ GST Calculator ### What is the GST rate used in NZ GST Calculator? NZ GST Calculator uses the standard New Zealand Goods and Services Tax rate of 15% for all calculations. This rate is applied when you choose to add or remove GST from a given amount. ### How do I add GST using NZ GST Calculator? To add GST, simply punch in the base number into the app and tap the 'Add GST' button. The app will then display the total amount including the 15% GST. ### How do I remove GST using NZ GST Calculator? To remove GST, enter the amount that includes GST and tap the 'Remove GST' button. The app will then show you the original amount before the 15% GST was applied. ### Can I copy the calculated GST amounts? Yes, you can easily copy the calculated totals to your clipboard by double-tapping on them. You can also double-tap the input number to copy the entire entry. ### Does NZ GST Calculator have ads? No, NZ GST Calculator does not contain advertisements. The app is free to use and offers an optional in-app purchase for additional features. ### What are the benefits of upgrading to NZ GST Pro? Upgrading to NZ GST Pro removes in-app upgrade reminders and unlocks additional calculator functions. This provides a more streamlined experience for frequent tax calculations. ### On which devices can I use NZ GST Calculator? NZ GST Calculator is available for both iPhone and iPad devices. It is designed to function seamlessly across Apple's mobile operating systems. ### How often is NZ GST Calculator updated? The app was last updated on June 22, 2023, with version 4.0. This indicates regular maintenance and potential feature additions by the developer. ## Version history (last 5 releases) ### 4.0 — 2023-06-22 The core of the app has been rewritten and modernised, and the look and feel has been refined. We also removed the banner advert, but we might pop a banner down every now and again to remind to that you can still upgrade. You can also change the colour scheme of the app - stick with the classic dark purple and grey, or go for the light version of the same scheme. Or let the. app change automatically based on your system setting.  Finally, we added a shortcut workflow to the app. ### 3.0.0 — 2017-11-06 This app has been updated by Apple to display the Apple Watch app icon. NZ GST Calculator has been overhauled and brought up to code with a new look, and support for the latest and greatest devices and iOS versions. Please enjoy wisely! ### 2.0.3 — 2016-06-02 Fixed a tap gesture bug. ### 2.0.2 — 2016-05-25 Fixes a crash on iOS version 8.x. ### 2.0.1 — 2016-05-23 Minor tweaks and fixes. ## Apps similar to NZ GST Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [E-LOK Smart](https://appshunter.io/ios/app/e-lok-smart/id1497659804) | 5.0 (1) | Free | Utilities | | [Percentage Calculator %: Tax](https://appshunter.io/ios/app/percentage-calculator-tax/id1592788063) | — | Free | Utilities | | [HX NZ](https://appshunter.io/ios/app/hx-nz/id6498544945) | — | Free | Utilities | | [GST Calc+](https://appshunter.io/ios/app/gst-calc-plus/id6452276690) | — | Free | Utilities | | [Levno](https://appshunter.io/ios/app/levno/id1534819884) | — | Free | Utilities | | [Antenno](https://appshunter.io/ios/app/antenno/id1119032181) | 1.0 (1) | Free | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*