When you first adopt Customer.io, its simplicity is appealing. But as your campaigns grow, so do the challenges—slower launches, limited cross-channel testing, and automation that can’t keep up. Your audience moves fast across apps, websites, and inboxes, so your tools must be faster and smarter. Here’s our take on the top Customer.io alternatives, with Questera ranking #1 for real-ti... https://www.questera.ai/blogs/top-5-customer-io-alternatives-for-cross-channel-marketing