Cohort Retention Analyser
Paste cohort data (CSV) or load the example. See the retention heatmap, average curve by cohort month, retention floor, and effective NRR per cohort. Dollar or logo retention views.
SaaS Metrics Intelligence
A retention cohort chart tells you more about a SaaS business than the P&L does.
Retention cohorts show whether customers who joined in January still contribute revenue in October, and how that compares to customers who joined in July. Flat or improving curves after month 6 are the signal of real product-market fit. Steep decay in months 2 to 4 shows an onboarding problem no amount of acquisition will fix.
Input
Paste cohort CSV
Format: Cohort,M0,M1,M2…. numbers are retained customers or dollars. Load example
Frequently asked questions
What is a retention cohort?
A group of customers who signed up in the same period, tracked over subsequent periods. Shows whether retention is improving or decaying.
What does the heatmap show?
Each row is a signup cohort. Each column is a month since signup. Each cell is the % of cohort still retained. Darker = better retention.
What is a "smile curve"?
Retention bottoms out then climbs. Classic sign of strong product-market fit with expansion. Churned customers are replaced by expansion from retained ones.
What retention floor is healthy?
For enterprise SaaS: 85%+. For SMB: 60 to 80%. Below 50% at month 12 is a product problem.
What is the month-1 drop?
The fastest retention decay. Loss between month 0 (signup) and month 1 (first renewal). Reveals onboarding and activation quality.
What is a healthy month-1 retention?
For paid SaaS over 85%. If month-1 drops below 70%, fix activation and onboarding before anything else.
What is a retention curve by cohort?
The retention percentage plotted over months since signup, averaged across cohorts. The simplest cohort view.
How many cohorts do I need to analyse?
Minimum 6, ideally 12+ months of monthly cohorts. Too few and noise dominates.
How does the tool handle incomplete cohorts?
Later cohorts have fewer observed months. The tool displays what's available and excludes incomplete rows from averages.
Can I analyse revenue retention cohort instead of logo?
Yes. Toggle between logo and dollar retention. Dollar retention shows expansion contribution.
What CSV format does the tool accept?
Cohort,M0,M1,M2,…. Each cell is customer count or dollars for that cohort at that month. The tool normalises to %.Free · no account
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