Many businesses start with Customer.io because it’s quick to implement and manage in the early stages. But as growth accelerates, cracks start to show—campaigns slow down, testing across channels becomes clunky, and the platform struggles to keep pace. In today’s fast-moving, multi-channel world, you need more than basic automation. You need cross-channel marketing platforms that deli... https://www.questera.ai/blogs/top-5-customer-io-alternatives-for-cross-channel-marketing