Buy now pay later app for Shopify other than Klarna

Klarna only allows payments from clients who are located in certain countries. That might be your problem. Klarna Pay Later is available only to customers in Austria, Denmark, Finland, Germany, Netherlands, Sweden, and the United Kingdom. Klarna payment options are shown only in euros (EUR) at checkout to customers in Austria, Finland, Germany and the Netherlands. If your customers are in Denmark, Sweden, or the United Kingdom, then they can't checkout in EUR. Customers in these countries need to use their local currencies. You may find additional information here - https://help.shopify.com/en/manual/payments/shopify-payments/local-payment-methods/klarna

Here are a few options you should look into - Affirm - https://apps.shopify.com/affirm Lets you display a monthly payment price for each item. Afterpay - https://apps.shopify.com/afterpay-installer Charge me later - https://apps.shopify.com/charge-me-later Allow all or specific customers to order instantly, charge them whenever you want (e.g NET30 etc.). Customers can choose Pay Now or Pay Later.