The Unzer Booster app for Shopify.

Sell more in your shop by offering pay-later options early.

Add Buy Now, Pay Later directly as a visible payment option on your product and cart pages. Control how payment methods appear at checkout, and keep your Shopify orders synced with Unzer Insights — all through our free app.

The Unzer Booster App for Shopify

Free for all Unzer customers

Installed and ready to go in just a few minutes

No code changes needed

PSD2, CCD2 and GDPR compliant

Maximum security

The app was developed by Unzer and is used by thousands of European merchants. It's also officially approved by Shopify.

Your benefits

Four reasons why the app deserves a spot in your shop

Increase order value

Show "From €205.40 / month in 3 installments" or "Buy now, pay later by invoice" directly on product and cart pages — before customers even head to checkout.

Check at checkout

Display names, sort order, currency rules, and much more can be customized individually – all through a no-code interface.

Synchrony between Unzer and Shopify

Captures, partial and full refunds, as well as cancellations are automatically synced by Unzer with your Shopify orders. A single source of information for reconciliations.

Free, fast, and perfect for Shopify

Native Shopify theme blocks, Online Store 2.0-ready, fully tailored to your brand. Free for every Unzer merchant.

Simple and intuitive.

Messaging widgets

Checkout configuration

3. Transaction synchronization

Payment methods

Which payment methods are supported?

FAQ Booster App for Shopify

FAQ

Is the app really free?

Do I need a developer to implement this?

Does it work with my existing Unzer payment apps?

What happens with refunds and charges?

Which markets and currencies are available?

Do I need a special Shopify theme?