Advanced Custom Fields Pro is a premium WordPress plugin that provides users with a set of powerful tools to create and manage custom fields on their websites.

With the ACF Pro plugin, users gain access to a variety of advanced features and functionality that are not available in the free version.

One of the key features of ACF Pro is the Repeater Field, which allows users to create a set of sub-fields that can be repeated multiple times.

This feature makes it easy to manage highly customized data without having to write custom code.

Another powerful feature of ACF Pro is the ACF Blocks feature, which is a PHP-based framework for developing custom block types.

ACF blocks are highly customizable and can be integrated with custom fields, allowing PHP developers to create bespoke solutions that are fully compatible with the modern WordPress block editor and theme development.

The Flexible Content Field is another powerful feature of ACF Pro, providing users with a complete content layout manager.

With this feature, users can define groups of sub-fields (layouts) and add, edit, and reorder them to create highly customized content.

Advanced Custom Fields Pro also includes Options Pages, which provide a set of functions to add extra admin pages to edit ACF fields.

All data saved on an options page is global and can be displayed on any page throughout the website, making it an excellent tool for managing header and footer data.

Other features of ACF Pro include the Gallery Field, which provides a simple and intuitive interface for managing a collection of images, and the Clone Field, which allows users to reuse existing fields and field groups on demand.

Advanced Custom Fields Pro also includes a variety of additional features and functionality, such as more AJAX-powered fields, local JSON auto-export, easy import and export of field groups, new form locations, more customization options, a fresh UI, a new oEmbed field, new settings for field group labels and instruction placement, better front-end forms, better validation, and better relationship field settings.

Overall, Advanced Custom Fields Pro is an excellent tool for WordPress users who need a flexible and powerful solution for creating and managing custom fields on their websites.

The Pro version provides advanced features and functionality that can save time and effort, making it a great investment for any serious WordPress user or developer.