In B2B, products are geared towards solving specific problems for high-stakes customers, requiring careful consideration and ROI justification.B2C, on the other hand, focuses on speed, frequent iterations, and winning over individual users with instant value and convenience.The differences between B2B and B2C impact the product manager's role, from understanding customers to prioritization and revenue models.B2B startups target organizations with long buying journeys, while B2C startups cater directly to individual consumers.B2B success relies on deep customer relationships and customizations, while B2C success hinges on fast user adoption and retention.B2B prioritizes features based on client needs and contractual obligations, while B2C focuses on rapid iterations driven by user feedback and metrics.B2B revenue tends to be steady due to subscription models, while B2C revenue fluctuates based on user behavior and market trends.Challenges in B2B include long sales cycles, customization dilemmas, and rising customer acquisition costs.In B2C, challenges involve fragile retention rates, monetization strategies, and balancing upgrades without alienating users.To excel in B2B, product managers need to focus on ROI, customer relationships, and strategic decision-making aligned with high-stakes deals.In B2C, success is tied to rapid growth, engagement metrics, and creative monetization strategies that drive user retention and value.