Churnkey vs Retain
Churnkey
churnkey.coRetain
retain.soSide by side
| Figure | Churnkey | Retain |
|---|---|---|
| Price from | $20.83/mo | $79/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 4 | 4 |
| Spec score · Proactive Customer Retention Software | 8.0 (#4) | 7.7 (#6) |
| Company | Churnkey, Inc. lists Charleston, South Carolina as its headquarters and 2020 as its founding year. | Retain is operated by Gaviro Tecnologia LTDA, a company incorporated in Brazil and trading as Retain. |
| Integrations | Listed integrations include Stripe, Chargebee, Braintree, Paddle, Maxio, Slack, Churnkey APIs, and webhooks. | Retain can receive product events through its SDK or API, forward events from PostHog, read subscription data from Stripe or Polar, and send configured alerts to Slack or Discord. |
| Security | Churnkey states it is SOC 2 Type I certified, GDPR compliant, conducts regular penetration tests, and avoids storing PII when possible. | Retain says data is encrypted in transit with TLS, passwords are hashed, production access is restricted and authenticated, and workspace data access is scoped; it does not currently hold SOC 2 or ISO 27001 certification. |
Plans
Churnkey
- Starter$250 a year
- CorePriced on request
- EnterprisePriced on request
- IntelligencePriced on request
Retain
- Pro$79 a month
- Growth$199 a month
- Scale$449 a month
- EnterprisePriced on request
In their own words
Churnkey
Churnkey provides subscription retention tools for cancellation churn and failed payment recovery. Cancel Flows use customer segmentation to present offers such as cross-sells, pauses, discounts, and seat handoffs. Payment Recovery combines precision retries with email, SMS, or in-app campaigns. Feedback AI categorizes freeform feedback, connects it to MRR, and supports natural-language search. Listed integrations include Stripe, Chargebee, Braintree, Paddle, Maxio, Slack, APIs, and webhooks; the SDK can connect to other billing systems. The open-source React SDK and MCP server are free on every plan, and cancel flows can be self-hosted without a Churnkey account. Free Churn Metrics provides a read-only churn snapshot when a payment provider is connected. Churnkey lists a free plan and a paid Starter plan at $250/mo (annual), with a 14-day trial. It identifies SaaS, consumer memberships, nonprofits, news and media, and streaming as use cases.
Retain
Retain analyzes product usage and payment signals to score customer health, identify churn risk, and explain what is driving that risk. Its AI examines more than 10 behavior signals, including feature use, onboarding, trends, quiet days, and billing. Scores run from 0 to 100, correspond to risk levels, and are recalculated daily from current behavior. Teams can compare retention by signup month, plan, channel, or account size, and identify a Best Retention Trigger shared by successful customers. Retain groups accounts by lifecycle stage, sends contextual risk alerts, and prepares win-back messages based on customer changes. Product events can arrive through its SDK or API or be forwarded from PostHog; subscription information can come from Stripe or Polar. Alerts can be configured for Slack or Discord. It also exposes seven MCP tools to AI clients including Claude, Cursor, Codex, Gemini, and Perplexity: five read data and two change alert state. Retain is aimed at B2B SaaS companies past product-market fit with high-value customers and lean customer-success or account-management teams. There is no free plan; a 14-day trial is available. Monthly plans start at $79 a month for up to 150 active accounts.