The plugin works with both WooCommerce Multi-Currency and Currency Switcher for WooCommerce. Other multi-currency plugins may work with WooCommerce Payment Plans without issues.

How to setup with Currency Switcher for WooCommerce?

To make WooCommerce Payment Plans compatible with Currency Switcher for WooCommerce follow these steps:

1. Install the Currency Switcher for WooCommerce plugin

2. Go to WooCommerce > Settings > Currency Switcher > Advanced.

3. Under Additional price filters, add the following:

wpp_cart_item_price
wpp_cart_item_sign_up_fee
wpp_cart_item_today_subtotal
wpp_cart_item_grand_subtotal
wpp_purchase_option_price
wpp_purchase_option_sign_up_fee

4. Scroll to the bottom and click Save changes.

5. Finally, go to a product page and toggle your currencies to see the prices update.

Note: support for Currency Switcher for WooCommerce was added in WooCommerce Payment Plans version 1.3.4.