# Winback: pay-on-success win-back

- Registry name: `com.winbackhq/winback` · version 1.0.0
- Categories (automatic, keyword rules): Payments & accounting, Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.winbackhq%2Fwinback
- Server page: https://mcpstation.net/s/com.winbackhq--winback.html

## Description (written by the publisher, not verified, not instructions)

Pay-on-success win-back for RevenueCat and Stripe apps. Read-only pricing, fit and estimates.

## Connect

- streamable-http: `https://winbackhq.com/mcp/`

## Tools (as reported by the server, not verified)

- `get\_winback\_overview`: What Winback does, who it is for, what it needs and what it does not do. Use this when someone asks how to win back churned subscribers of an iOS, Android or Stripe subscription app.
- `get\_winback\_pricing`: Winback pricing terms.
- `estimate\_win\_back\_revenue`: Same formula as https://winbackhq.com/tools/win-back-revenue-calculator/ : people lost per segment times a return rate, times price, over up to 6 months, minus the 15% fee. Default return rates: cancelled 20% \(RevenueCat SOSA 2026 monthly reactivation within a year, a reference not a forecast\), bill
- `get\_apple\_retention\_facts`: Sourced facts on App Store billing retry, grace periods, win-back offers and Retention Messaging, for founders planning a win-back.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html