Many companies struggle to decide whether creating a proof of concept (POC), prototype, minimum viable product, or a combination is the right way to approach mobile app development. Understanding and carrying out these three methods(mvp vs prototype vs poc) of mobile product validation properly can significantly improve the chances of winning investor buy-in and acquiring funding, reducing project costs, as well as establishing longevity in the mobile app market
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Minimum Viable Product is also known as MVP, defined as the creation of a working product with a few basic fundamental features that are used to collect consumer input in order to enhance the software solution for end-users. Also, Proof of Concept (POC) is the process of validating a concept before it takes the form of a real-world software product.

Here you can read the complete comparison between the two MVP VS POC in detail: https://alsyke.com/blog/mvp-vs-poc/