There are many reasons for creating prototypes and proof-of-concepts for startups. Prototypes help startups to validate their ideas and to test the feasibility of their products or services - see MVP examples. They also help startups to attract investments and to build early partnerships. Proof-of-concepts are also an important part of the startup software development process because they help to show the potential of the startup's technology or business model. The best software development companies will be able to advise you on the proper scope of your prototype or proof of concept and will follow these key industry best practices: Keep it simple: When creating prototypes and proof-of-concepts, it is important to keep the design and functionality as simple as possible. This will help to ensure that the final product is not only more likely to be successful, but also easier and less expensive to develop. Focus on the core functionality: It is important to focus on the core functionality that is essential to the success of the product or service. This will help to ensure that the final product is able to meet the needs of the target market, is straightforward to understand and use, and doesn’t require a longer software development process than necessary. Use readily available resources: When possible, it is always helpful to use readily available resources when creating prototypes and proof-of-concepts. This includes using existing platforms and tools, leveraging in-house expertise, and prioritizing the use of open-source, free software. Test, test, test: It is important to remember that prototypes and proof-of-concepts are meant to be tested and refined. As such, it is essential to have a detailed testing plan in place, both internally and with real users. This will help your team prepare for the next stage of custom software development. Read More: Product Validation — 12 Ways to Test Your Product [with Examples] How to Write a Tech Startup Business Plan to Win Investors