
Retain tracks your customer base 24/7, identifies churn risk early and tells you why, helping you reach out with the right context at the right time.
A startup from Brazil.
This page is designed to help you find out whether retain.so is good and if it is the right choice for you.
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Churn Prediction
Retain uses AI to analyze real customer behavior and identify the patterns that precede churn, weeks before anyone reaches a cancel button.
Retention Analysis
Break retention down by cohort, find where each group starts to leak, and uncover the behaviors shared by your best-retaining customers.
MCP server for AI agents
Ask your AI agent about customer health, usage, and churn risk without switching between tools.
Customer Segments
See where every customer is in their lifecycle Not every customer needs the same message. Group them by lifecycle stage and reach out accordingly.
Three reasons. First, it predicts churn before the cancel instead of fighting it at the cancel flow like most tools do. Second, it is built for founders and small teams: self-serve, live in under an hour, starts at $29/mo, no enterprise demo gauntlet and no CS team required. Third, it tells you why an account is at risk and what to do next, not just a black box score. Connect your payment provider and you are reading account health the same day.
Most churn tools wake up the moment a customer clicks cancel. Retain wakes up weeks earlier. It reads your product usage and payment signals, scores the health of every account in real time, and alerts you while you can still act, with the reason why and a suggested next step. Predict and prevent, not react at the cancel screen.
B2B SaaS solo founders, small teams, and indie hackers. Subscription products at or approaching product-market fit that want to cut churn without hiring a customer success or data team.
Retain started from a familiar frustration: customers churned that the data had been quietly flagging for weeks. Usage was dropping, payments were stuttering, the signals were all there, but nobody was watching them in time. The tools that did watch were enterprise platforms built for big CS teams, priced and scoped to match. Retain exists to give small SaaS teams that predictive view without the enterprise overhead: see churn coming, understand why, and act before it is too late.
TypeScript across the stack. Next.js and React on the frontend, Fastify on the backend, PostgreSQL with Drizzle ORM, Redis and BullMQ for background jobs.
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Check the traffic stats of retain.so on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
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