Harbor Checkout Fields for WooCommerce Alternatives

Harbor Checkout Fields for WooCommerce enables merchants to add custom fields such as gift messages, delivery instructions, purchase order numbers, and age confirmations to the block-based WooCommerce checkout. Below are 17 e-commerce platforms apps with similar functionality to Harbor Checkout Fields for WooCommerce, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.