No, it is not necessary to create an account to use Squaremouth. Users can visit the Squaremouth website and begin comparing travel insurance options without registering. The platform is designed to provide easy access to various insurance plans, allowing visitors to filter their search based on specific needs, such as the type of trip or coverage required. However, creating an account may offer additional benefits. For instance, having an account could enable users to save their preferred plans or retrieve past quotes more easily. Overall, users are welcome to explore the site freely and decide if they wish to create an account later for convenience. For specific details or features regarding account creation, it is advisable to check the current Squaremouth website directly.