ProsperStack
Retention platform built around the cancellation flow. Segment who is cancelling, show them a targeted offer or deflection instead of a confirm button, and A/B test the whole thing. Winback campaigns, dunning and free-to-paid incentives run off the same engine.
What makes ProsperStack good at reducing churn?
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How does ProsperStack actually reduce churn?
ProsperStack owns the last screen before the exit, plus everything after it. That is the highest-intent moment you get, and also the latest one, so it is a ceiling on what the tool can do. It will save a share of people who were already leaving. It will not tell you three months earlier that an account stopped logging in. Pair it with something that watches behaviour if you want both ends of the problem covered.
What is ProsperStack?
ProsperStack is a cancellation flow with a serious engine behind it. A subscriber clicks cancel, and instead of a confirmation screen they get a flow that knows their plan, their billing history and their behaviour, then shows the deflection or offer most likely to keep them. Pause instead of cancel. A plan that fits what they actually use. A discount, but only for the segments where a discount pays for itself.
The survey is the other half. Questions branch based on what the subscriber picks, so you end up with a reason worth acting on rather than a tally of people choosing the first option. Sentiment analysis and reporting sit on top. This is the part that pays off months later, when you are deciding what to build and have real exit reasons instead of opinions.
What separates it from the simpler tools in this category is testing. Cancel flows and offers can be A/B tested, and the Autopilot feature prioritises the offers that save the most long-term revenue rather than the most sessions. That distinction matters more than it sounds. A 50% discount saves almost every session and quietly destroys the cohort's lifetime value, and without testing you will never see it happen.
The same engine runs three other things: winback campaigns for people who already left, dunning offers for failed payments, and conversion incentives for free users who are about to drift. Integrations are broad for this category, covering Stripe, Chargebee, Recurly, Paddle, Maxio, Braintree, Shopify and Recharge on the billing side, plus Salesforce, HubSpot, Segment, Klaviyo and Intercom for pushing the data somewhere useful.
Pricing starts at $200 a month on Grow for 50 to 500 cancel sessions. Prosper is $750 and adds A/B testing, Autopilot, custom segmentation and the CRM integrations, which is where the product gets genuinely interesting. Work out your monthly cancel sessions before you read the pricing page, because that number decides everything.
What can ProsperStack actually do?
- Embeddable cancellation flow that adapts to subscriber attributes, billing data and behaviour
- Targeted retention offers and deflection cards instead of one blanket discount
- Conditional survey questions that branch on the answer, so exit reasons are specific
- A/B testing on both the flow and the offers, available from the Prosper plan up
- Autopilot, which prioritises the offers that save the most long-term revenue
- Winback campaigns aimed at subscribers who already cancelled
- Revenue recovery offers attached to failed payments
- Free-to-paid conversion incentives run off the same engine
- Custom segmentation and targeting rules, plus custom CSS and branding
- Multi-language cancellation experiences on Enterprise
- CRM and CDP sync to Salesforce, HubSpot, Segment and Klaviyo
Who should use ProsperStack?
What are the pros and cons of ProsperStack?
Pros
- The flow builder is genuinely no-code, so retention experiments stop queueing behind engineering
- A/B testing on offers is the feature that stops you discounting your way into a worse cohort
- Autopilot optimising for long-term revenue rather than sessions saved is the right objective, and most tools in this category pick the wrong one
- Integration list is unusually broad, so it fits teams on Chargebee, Recurly or Shopify rather than Stripe only
- Priced on cancel sessions, which scales with the problem instead of your headcount
Cons
- $200 a month is a real line item for a small SaaS, and below roughly 50 cancellations a month you will not have the volume to test anything
- The features that make it worth buying, A/B testing and Autopilot, live on the $750 plan
- Overage is $75 per additional block of cancel sessions, so a bad month costs more than you budgeted
- No free trial. You go through a demo, which slows down anyone who just wants to try it.
- It owns the cancel moment and the winback. It will not tell you an account is drifting three months earlier.
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$ claude "read churntools-prosperstack-eval-prompt.md and do what it says"
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Enter your email and the file downloads straight away. You'll also get The Churn Fix, one specific retention fix per issue. Unsubscribe whenever.
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What does ProsperStack integrate with?
What retention experiments pair well with ProsperStack?
Retention experiments to run alongside ProsperStack
Build a Cancellation Save Flow That Rescues 10-15% of Churning Customers
Recover Failed Payments with Smart Dunning
Reduce Free-to-Paid Conversion Abandonment
Build a Win-Back Email Sequence That Recovers 5-10% of Churned Customers
Frequently asked questions about ProsperStack
The questions buyers ask me most often about this tool.
What does ProsperStack cost?
What counts as a cancel session?
Does ProsperStack work outside SaaS?
Can I test offers rather than guessing?
Is there a free trial?
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The full review as a clean PDF you can drop in a doc, print, or send to the person who actually has to approve it.
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Enter your email and the download starts straight away. You'll also get The Churn Fix, one specific retention fix per issue. Unsubscribe whenever.
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Reviewed by Mark Ashworth
Founder of ChurnTools. I review every tool in this directory personally, talk to the people using them, and call out which ones I'd actually recommend (and which I wouldn't). No paid placements in the rankings.
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Retention Diagnostic · $2,500 fixed · first 2 at $1,250
A tool will not fix churn you have not diagnosed
Buying software is a reasonable second step. The first one is knowing which part of your churn is voluntary, which part is failed payments, and what the people who left did differently in their first month. I work that out and send you three fixes ranked by what they are worth, in writing, within 10 working days.
- ✓ Your churn split by cause, with dollars on each
- ✓ Three fixes, ranked, with expected recovery
- ✓ The advice that does not apply to you
- ✓ Fixed price, no call required
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