AwoCoupon

AwoCoupon is a coupon sytem for WooCommerce with enhanced features.  It has an intuitive and simple to use interface and works well alongside WooCommerce coupons.

Major features of AwoCoupon

• Setup automatic discounts 
• Create shipping specific coupons
• Create coupons with optional restrictions on product, category, customer, user group, country, state, payment method
• Personalize coupon errors
• Generate multiple coupons
• Customers can view coupons assigned to them (or their user group) under my account in the front end

Compatibility

• Tested on WooCommerce 3.0.0 and up
• For multiingual sites, requires Polylang plugin
• For user groups, requires Groups plugin

Do you need more functionality with great support? Check out the Premium Version. Major features include:

• Gift certificates: use a voucher until the value runs out
• Buy X Get Y Coupons
• Create combination coupons which allow you to add multiple coupons into one
• Customer store credit: use balance directly in cart
• Sell vouchers in your store: customers purchase voucher and automatically receive email with valid code, email fully customizable
• Add to cart coupon links
• Send a voucher through email to anyone
• Reports

Extract the zip file and just drop the contents in the wp-content/plugins/ directory of your WordPress installation and then activate the Plugin from Plugins page.