One question people often ask is what’s the difference between Meta Box and Advanced Custom Fields? One difference is that Meta Box has an extension called Frontend Submission. What this does is it lets you easily create a front-end form for submitting posts or Custom Post Type records. That type of functionality is available for ACF but only as a third party extension. Here is a tutorial creating a front-end Contact Us form for a Custom Post Type called Contacts. The video version is near the top of the post.