https://woocommerce.com/products/smart-coupons/

Automatic bulk coupon generation and dispatch – generate thousands of coupons at once, email to customers, add them to WooCommerce and export to CSV to share with partners. Or import via CSV.Issue coupons on product purchase – sell gift vouchers or give a discount on other products on purchase of one product. Great for upsells, downsells and to encourage repeat sales!Comprehensive Store Credit system – customers can maintain, top-up and purchase from their fund balance. Grows customer lifetime value.Gift Certificates – purchase and send gift cards/ vouchers/credits to yourself or friends custom messagesOne click coupon use – no need to remember or type codes. Shows available coupons on Cart & My Account page and applies with a single clickEasy sharing with URL Coupons – pass a coupon in a link and automatically apply itBeautiful coupon designs – to show on your site. Plus easy embedding with a shortcode, handy coupon insertion tool in content editor and full design control via CSSTotally self-managed – automatic credit balance maintenance, automatic coupon removal on zero balance and moreSubscription coupons – allow coupons to pay for subscriptions – first time as well as renewalsMigrate coupons from one store to another via Import-ExportCompatible with other WooCommerce plugins – including Subscriptions, Chained Products, and most othersBattle-tested plugin – thousands of customers and many years of track recordDetailed documentation and clear developer APIs

Changelog

* New: Translation files (PO & MO files) for German language

* Fix: Product that is selling store credit of any amount, is not adding to cart when the add to cart is happening via AJAX

* Update: POT, PO & MO file