Customer.io is a great starting point for marketing automation, but as brands scale, it can hold you back. Campaigns take longer to roll out, cross-channel experimentation becomes harder, and personalization starts to feel generic. In this article, we showcase the best Customer.io alternatives—platforms built for speed, intelligence, and adaptability. Questera tops the list for teams ... https://www.questera.ai/blogs/top-5-customer-io-alternatives-for-cross-channel-marketing