You do the work. SMASH does the rest.
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Yes. Set your country to New Zealand during onboarding and every invoice automatically applies 15% GST, shows the GST amount separately, and includes your NZBN and GST number — exactly as required by the IRD.
Yes. SMASH produces compliant NZ tax invoices: NZBN on the document, 15% GST itemised per line, sequential invoice numbering, and your business details. Your customers can use them to claim GST inputs.
Yes — SMASH is live on the NZ App Store and as a Chrome extension. Download it free, no credit card required.
Invoices you send your customers default to NZD. Subscription pricing is billed in AUD on the same plan everywhere — same price for every country.
Xero and QuickBooks sync are available on Starter ($15 AUD/month) and above. SMASH invoices push into Xero automatically — your accountant gets GST-correct line items in NZD without you re-entering anything.
SMASH is built for sole traders and small crews: plumbers, sparkies, builders, landscapers, cleaners, painters, mobile mechanics. Voice recognition is trained on trade language, including common NZ trade terminology.
Updated 2026-07-23