Glossary

Quick reference for SaaS metrics and GrowPanel terminology. For in-depth explanations of each metric, see the SaaS Metrics Academy.

Quick reference

Term	Definition	Learn more
ARR	Annual Recurring Revenue (MRR × 12)	ARR guide
ARPA	Average Revenue Per Account	ARPA guide
ASP	Average Selling Price of new subscriptions	ASP guide
Churn	When a customer's subscription ends	Customer churn, MRR churn
CMRR	Committed MRR (includes scheduled changes)	CMRR guide
Cohort	Group of customers who started in the same period	Cohort analysis
Contraction	When an existing customer's MRR decreases	Contraction MRR
Expansion	When an existing customer's MRR increases	Expansion MRR
GRR	Gross Revenue Retention	GRR guide
Logo churn	Percentage of customers lost	Logo churn
LTV	Customer Lifetime Value	LTV guide
MRR	Monthly Recurring Revenue	MRR guide
Net MRR churn	MRR churn minus expansion	Net MRR churn
NRR	Net Revenue Retention	NRR guide
Reactivation	Previously churned customer returning	Reactivation MRR

Term	Definition
Data source	A connection to your billing platform (Stripe, Chargebee, etc.)
Fix FX	Feature to freeze exchange rates for consistent reporting
FX Impact	MRR change due to exchange rate fluctuations
Movement	A change in a customer's MRR (New, Expansion, Contraction, Churn, Reactivation)
Movement subtype	Additional context (quantity_change, plan_change, discount_change, etc.)
Plan group	Collection of related plans grouped for reporting
Reporting currency	Currency used to display values in reports
Scheduled churn	Subscriptions set to cancel at end of billing period
Segment entry/exit	Internal movement types for plan-level filtering