Special Promotions Pro for Magento 2
https://amasty.com/special-promotions-pro-for-magento-2.html
Special Promotions Pro vs Special Promotions
Special Promotions Pro: https://amasty.com/special-promotions-pro-for-magento-2.html
Special Promotions: https://amasty.com/special-promotions-for-magento-2.html
Not sure what the difference is.
Changelog
Issues
Trouble with buy x get y promotion
Trouble with free shipping