Zero-dependency SaaS metrics: NRR, GRR, churn rate, LTV:CAC, CAC payback, HHI revenue concentration, zombie MRR detection and a composite health score. The calculation engine behind churnlens.site.
javascript due-diligence saas churn ltv mrr nrr unit-economics subscription-analytics churn-rate saas-metrics net-revenue-retention ltv-cac revenue-concentration herfindahl
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Updated
Jul 25, 2026 - JavaScript