The retention platform to reduce Submarine churn
Personalized cancellation experiences, measurable retention outcomes and coordinated lifecycle campaigns for Submarine.
Every cancellation is a retention opportunity
Measure, test and optimize the cancellation moment with ProsperStack + Submarine.
High-performance cancellation flows for Submarine
Respond to churn with personalized experiences
Increase relevance, increase results. Adapt offers, messaging and flows using Submarine data alongside context from your CRM/CDP and other integrated systems.
Optimize retention performance
Test cancellation experiences, compare outcomes across subscriber segments and use AI Autopilot to prioritize higher-performing offers over time.
Understand why subscribers leave
Capture exit feedback associated with MRR, LTV, plan and tenure to identify churn drivers and focus retention efforts where they matter most. Connect your AI agent for custom analysis.
Extend retention across the lifecycle
Use shared Submarine and cancellation data to coordinate cancellation flows, winback campaigns and conversion incentives as part of a unified retention program.
How ProsperStack helps reduce Submarine churn
Build a more complete retention system
Reduce churn throughout the customer lifecycle with integrated retention tools.
Submarine churn reduction FAQs
Submarine provides an API-first subscription platform and an optional Porthole-based customer portal that merchants can use or customize for subscription management. ProsperStack is a retention optimization platform anchored at the cancellation decision: it adds targeted multi-step experiences, structured churn intelligence, controlled experimentation and performance measurement while Submarine remains responsible for the subscription.
The products are complementary. Submarine supplies the underlying subscription controls and flexible account experience; ProsperStack gives retention teams a measurable system for deciding which intervention to present, learning from the response and improving the strategy over time.
Technical details
| Coupon | Percentage and fixed amount; one-time, time-limited or indefinite duration |
| Product swap | |
| Reschedule order | |
| Pause subscription | For a fixed duration |
| Custom |
| Subscriber | Active offer ID, ARR, Cancel reason, Cancel reason code, Days since saved, Email address, First name, Last name, LTV, MRR, Paid invoices, Saved date, SKU count, SKUs, Status, Subscription plan IDs |
| Subscription | Active coupon ID, ARR, Cancel reason, Cancel reason code, Duration (days), LTV, MRR, Next billing date, Next delivery date, Paid invoices, SKU count, SKUs, Status |
| Plans | Plan IDs, Plan interval counts, Plan intervals, Plan names, Plan quantities |
