The best alternatives to The Big Book of Churn are Postmark, Customer IO, and BurnChurn. If these 3 options don't work for you, we've listed a few more alternatives below.
Trusted by thousands of developers, Postmark is a fast and reliable email delivery service. Send with Postmark to ensure your application's emails get to the inbox on time, every time.
A tool that lends you a helping hand to craft ideal customer interaction for your clients. It is a B2C solution that connects emails to mobile phones and helps in sending all types of messages across all platforms.
BurnChurn is a drop-in replacement for your “Unsubscribe” button with customized actions to retain users, collect their feedback, and analyze statistics to reduce churn. BurnChurn accomplishes this by linking in your payment processor, email, webhooks, and more, in order to extend trials, discount, notify support, pause subscriptions, and more.