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What is Kustom MPOS (Mobile Point of Sale)?

Turn your smartphone into a certified cash register and payment terminal.

Updated over a month ago

With Kustom MPOS, you can sell in person anywhere — in-store, at pop-ups, or on the go — using only your phone and the Kustom app. It’s designed for small retailers who want an easy, hardware-free way to accept payments and stay compliant with Swedish cash register laws.


Overview

Kustom MPOS combines a payment terminal and certified cash register system in one mobile app.

It’s a simple solution for small physical retailers who need to take payments, manage products, and stay compliant with Kassalagstiftningen (Swedish cash register legislation). Product is currently live and available in Sweden.


Key features

Kustom MPOS combines payments and cash register functionality in a single device, so you don't need separate systems or hardware. Tap to Pay lets you accept contactless payments via card or mobile wallet directly through your phone.

The app includes a product catalog where you can add and manage items manually or upload them via CSV. You can build carts and process in-person transactions right in the app with the integrated cart and checkout feature. Finally, the system is compliance-ready and built to meet Swedish cash register regulations (Kassalagstiftningen).

  • All-in-one app – Combine payments and cash register functionality in a single device

  • Tap to Pay – Accept contactless payments via card or mobile wallet, no hardware needed

  • Product catalog – Add and manage items manually or via CSV upload

  • Cart and checkout – Build carts and process in-person transactions directly in the app

  • Compliance-ready – Built to meet Swedish cash register regulations (Kassalagstiftningen)

  • Digital receipts - no paper or printers neeeded


Support payment methods:

  • Tap to pay supported as first payment method

  • Accepting cards and wallets

    • Cards: Visa, Mastercard and Amex

    • Wallets: Apple pay, Google pay and Samsung pay

The minimum payment amount for Tap to pay is 3 SEK in Sweden and maximum is 999,999.99 SEK.


Compliance and certification

Kustom MPOS is being developed in line with Swedish cash register laws. To comply with fiscal regulation, all in-store payments must go through a certified system that generates compliant receipts and reports.

Merchants register each cash register with Skatteverket (Swedish Tax Agency)


How does pricing work

Our pricing for card and wallet transactions for Mobile Point of Sale are the same as for e-commerce transactions. This gives you unified rates for both channels.


Support and setup

Merchants will have access to a dedicated In-person payments tab in the Kustom Portal for MPOS reporting and management. The app will include chat integration for direct support, similar to the Kustom Portal.


Get started

Go to the portal and In-person payment section and click the Get started button.

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