1. Pricing: Carrd offers a simpler pricing structure with a single plan, while Leadpages has tiered pricing plans based on features and capabilities. Carrd's pricing includes all features and functionality, making it easier for users to understand and budget for. Leadpages, on the other hand, offers more advanced features in higher priced plans, catering to different customer needs and budget constraints.

2. Templates: Carrd provides a limited selection of templates compared to Leadpages. While Carrd's templates are modern and minimalist, Leadpages offers a wide variety of templates across different industries and use cases. This allows users to find a template that closely aligns with their specific design and branding requirements, providing more customization options.

3. Integration: Leadpages offers a wider range of integrations with popular tools and platforms compared to Carrd. Leadpages integrates seamlessly with email marketing services, CRM systems, and other third-party applications, allowing for more flexible and automated workflows. Carrd, while providing basic integrations, may not offer the same level of connectivity as Leadpages.

4. Customization: Leadpages offers more robust customization options compared to Carrd. Leadpages features a drag-and-drop builder with advanced design tools, allowing users to create highly customized landing pages with animations, pop-ups, and forms. Carrd, on the other hand, has a more simplified design interface with limited customization features, suitable for users looking for quick and straightforward page creation.

5. Analytics: Leadpages offers in-depth analytics and A/B testing capabilities, allowing users to track and optimize their landing page performance effectively. Carrd, while providing basic analytics features, may not offer the same level of detailed insights and testing options as Leadpages. This difference is crucial for users who prioritize data-driven decision-making and optimization.

6. SEO Features: Leadpages provides more robust SEO features and capabilities compared to Carrd. Leadpages allows users to optimize meta tags, titles, and descriptions for better search engine visibility, improving the chances of ranking higher on search engine results pages. Carrd may have more limited SEO optimization features, potentially impacting a website's organic search traffic and visibility.

In Summary, Carrd and Leadpages differ in pricing structure, template selection, integration options, customization capabilities, analytics features, and SEO functionalities, catering to different user needs and preferences in creating landing pages.