Free SaaS Churn Tools
Calculate how much revenue you're losing to churn, understand why customers leave, and find win-back opportunities.
Start here. Diagnose the leak
Three tools that show where revenue is leaking, why customers leave, and what can be recovered.
Free Churn Leak Report
ReportScan your real Stripe/Lemon Squeezy data and see how much revenue you're losing from cancellations, failed payments, and missed win-backs.
Cancellation Reply Analyzer
AnalyzerPaste cancellation replies and instantly see top churn reasons, lost MRR patterns, and customers worth winning back.
Failed Payment Recovery Calculator
CalculatorSee how much MRR you're losing to failed Stripe payments and how much basic dunning could bring back every month.
Recover failed payments
Failed payments are often the easiest churn to recover. Estimate the leak, understand the Stripe reason, and generate the recovery sequence.
Failed Payment Recovery Calculator
CalculatorEstimate recoverable MRR from failed payments, and what a 3-email dunning sequence could bring back.
Failed Payment Recovery Playbook Builder
BuilderBuild a 3-email dunning sequence tuned to your payment processor, the failed amount, the decline reason, and your tone.
Dunning Email Swipe File
TemplatesPlain-text dunning emails for failed Stripe payments. A 3-email recovery sequence plus templates for expired cards, soft declines, and 3D Secure.
Stripe Decline Code Explainer
ExplainerLook up any Stripe decline_code in plain English. See whether it's recoverable, when to retry, and exactly what to email the customer.
Stripe Failed Payment Explainer
ExplainerWhy Stripe charges fail, what to send, and the recovery checklist that actually moves the number.
Learn why customers cancel
Surveys get ignored. Founder-style replies tell you why people actually left.
Cancellation Reply Analyzer
AnalyzerPaste cancellation replies and instantly see top churn reasons, lost MRR patterns, and customers worth winning back.
Cancellation Email Swipe File
TemplatesFounder-style cancellation emails grouped by churn reason: missing feature, pricing, onboarding, competitor switch, plus a default ask-why sequence.
Exit Survey Templates
TemplatesCopy-paste exit survey templates for SaaS. Multiple formats for different cancellation flows.
Exit Survey vs Founder Email
CalculatorCompare exit surveys against founder-style emails. See how many reasons you may be missing every month.
Customer Churn Analysis Tool
AnalyzerBreak monthly cancellations into avoidable, unavoidable, and recoverable buckets with a next-action prompt.
Save customers at the cancel moment
Find the weak point in your cancellation flow before the customer hits Confirm.
Win back cancelled customers
Turn cancellation reasons into follow-up campaigns when something actually changes.
Win-Back Sequence Builder by Churn Reason
BuilderPick the reason a customer left (pricing, missing feature, switched tool, failed payment, etc.) and get a 3-email win-back sequence with timing, subjects, and what to avoid.
Win-Back Campaign Builder
BuilderPick churn reason, customer type, what changed, offer, and tone. Get a 2-email reason-matched campaign with subjects, body, and timing.
Calculate churn and revenue
The baseline numbers every SaaS founder should know cold. Calculate the damage, then go fix it.
Churn Rate Calculator
CalculatorCalculate your monthly and annual churn rate. See how churn impacts revenue over time.
Churn Rate Formula Calculator
CalculatorThe plain-English churn rate formula plus a streamlined calculator. Common mistakes called out.
Monthly to Annual Churn Calculator
CalculatorConvert a monthly churn rate into the equivalent annual churn using the compound formula. Reference table included.
Revenue Churn Calculator
CalculatorGross and net revenue churn from starting MRR, cancellations, downgrades, and expansion.
MRR Churn Calculator
CalculatorMRR churn including cancellations, downgrades, failed payments, and recoveries, plus a recoverable-MRR estimate.
Customer Retention Rate Calculator
CalculatorCustomer retention using the standard SaaS formula, plus the corresponding churn rate.
Churn Rate Benchmarks
BenchmarksCompare your churn rate against industry benchmarks. See what good, average, and bad churn looks like.
MRR Calculator
CalculatorCalculate Monthly Recurring Revenue, net MRR, and growth rate from your subscription data.
Customer LTV Calculator
CalculatorCalculate customer lifetime value using ARPU, churn rate, and gross margin.
CAC Calculator
CalculatorCalculate Customer Acquisition Cost from your spend and new-customer counts. Find out what you're really paying per signup.
LTV:CAC Ratio Calculator
CalculatorCalculate the LTV:CAC ratio that tells you whether each customer pays back acquisition cost. 3:1 is healthy, below 1:1 is bleeding.
SaaS Revenue Projection
CalculatorProject your SaaS revenue for the next 12-24 months based on growth and churn.
Stripe and Lemon Squeezy events
Understand the billing events behind churn and failed payments.
Stripe Webhook Event Decoder
DecoderDecode Stripe webhook events for churn: customer.subscription.deleted, invoice.payment_failed, cancel_at_period_end, and more. What each event means and how to treat it.
Stripe invoice.payment_failed Explainer
ExplainerWhat the invoice.payment_failed webhook means, when it fires, what data it carries, and the recovery workflow to trigger.
Stripe customer.subscription.deleted Explainer
ExplainerThe cancellation webhook: when it fires, what to send, how to capture a reason, and how to queue win-back.
Lemon Squeezy Webhook Event Decoder
DecoderDecode Lemon Squeezy webhook events for churn: subscription_cancelled, subscription_payment_failed, subscription_payment_recovered. Voluntary vs failed payment, email guidance.
Share your wins
Clean, screenshot-ready images for build-in-public posts and investor updates.