A proof of concept (PoC), a prototype and a minimum viable product (MVP) can all help teams move forward with less uncertainty. The useful choice depends on what you need to learn and what evidence will help you decide.
The short answer
A proof of concept tests whether a technical approach can work. A prototype helps people explore an experience. A minimum viable product is working software released to a defined group so you can learn from real use. Choose the smallest method that can answer the question you actually have.
Start with the question
These terms are often grouped together because each can reduce uncertainty before a larger investment. They do different jobs, though. Before choosing one, write down the decision you need to make: can this be built, will people understand it, or will they use it to solve a valuable problem?
Use a proof of concept to test feasibility
A PoC focuses on a technical risk. It may check whether an integration can exchange the required records, whether a model can identify a useful signal, or whether a difficult calculation can run within acceptable limits. Keep it narrow and define what evidence would count as a pass, a fail or a reason to change direction. A PoC usually is not a customer-ready product.
Use a prototype to explore the experience
A prototype makes an idea easier to see and discuss. It can be a set of linked screens or a partial interaction that helps users and stakeholders respond to the flow, language and information hierarchy. A prototype can reveal usability questions before those decisions become expensive to change. It may look convincing without containing the underlying production system, so be clear about what is simulated.
Use an MVP to learn from a real release
An MVP is a focused, working product for a defined audience. It supports an essential task end to end and gives the team evidence from actual use. It still needs appropriate security, reliability, support and data handling for its context. “Minimum” should describe a deliberately limited scope, not an unsafe or broken experience.
A simple example
Imagine a field-service company wants an inspection app. A PoC could test whether photos can be matched with the right equipment record. A prototype could let inspectors try the proposed capture and review flow. An MVP could give a small group a working way to record inspections and send approved findings into the operations system. Each step answers a different question.
How to choose your next step
List the biggest unanswered question, the evidence needed to answer it and who needs to review that evidence. Test a technical unknown with a PoC; test a user journey with a prototype; test product value and operating assumptions with a focused MVP. If several risks remain, sequence the work so the next step uses what you learn from the previous one.
Turn the choice into a brief
Describe the users, the current workflow, the uncertainty, the systems and information involved, and the decision you will make after the test. Add a time or scope boundary and agree who will review the result. That gives your team a useful basis for choosing a format and estimating the work.