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Kintsugi vs VAT Engine

Both stand on tax engine software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Kintsugi

Free plan AndroidAPIiPhone+1

Choose Kintsugi if you need sales tax exposure monitoring or automated US registration and filing, with a free plan for monitoring and audits. Starter adds filing and registration for a listed $75 per month plus action billing. Businesses needing multi-country compliance, premium connectors, or API, SDK, and SSO access should consider Premium.

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VAT Engine

Free plan APIWeb

VAT Engine offers date-aware VAT calculations and connected records for ecommerce and finance workflows. Treat its current free access as an alpha service, and review results with your business facts and professional advice.

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The facts

KintsugiVAT Engine
Free planYesYes
Open sourceNot publishedNot published
Runs onAndroid, API, iPhone, WebAPI, Web
Lowest paid planSee the plansFree or on request
Plans published41
MakerKintsugiNot published
Websitetrykintsugi.comvat-engine.app
On tax engine software#2 of 28#6 of 28

Kintsugi: what it does well

  • Free includes global physical and economic nexus monitoring.
  • Free provides risk assessments and nexus threshold alerts.
  • Starter automates US sales tax registration, filing, and remittance.
  • Premium covers the US, Canada, EU, UK, and 100+ countries.
  • Supports sales tax calculation, registration, and return filing.

What to know first

  • The listed platform is API only.
  • Starter costs $75 per month, with filing and registration actions billed separately after the billing period.
  • Premium features are not included in the Free plan.

VAT Engine: what it does well

  • Covers all 27 EU member states
  • Transaction dates can select reviewed rate versions
  • Calculation results can become transaction records
  • Free alpha access requires no payment method

What to know first

  • Periods without rate coverage are marked unverifiable
  • Does not submit tax returns
  • Alpha support has no service-level commitment
  • Product behavior and limits may change during alpha

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