CRR vs LTV:CAC
CRR (Customer Retention Rate) and LTV:CAC (Lifetime Value to Acquisition Cost Ratio) both come up in business conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.
The key difference: CRR refers to customer retention rate, while LTV:CAC refers to lifetime value to acquisition cost ratio — they describe different things even when they show up in the same sentence.
CRR — Customer Retention Rate
The percentage of customers you keep over a period. The quietest growth lever in the business — retention compounds; acquisition just refills the bucket.
LTV:CAC — Lifetime Value to Acquisition Cost Ratio
The ratio of what a customer is worth over their lifetime vs. what it cost to acquire them. Healthy SaaS benchmark is 3:1 or better — anything under 1:1 means you are paying to lose money.
When to use CRR
Reach for "CRR" when the conversation is specifically about customer retention rate. The percentage of customers you keep over a period. The quietest growth lever in the business — retention compounds; acquisition just refills the bucket.
When to use LTV:CAC
Reach for "LTV:CAC" when the conversation is specifically about lifetime value to acquisition cost ratio. The ratio of what a customer is worth over their lifetime vs. what it cost to acquire them. Healthy SaaS benchmark is 3:1 or better — anything under 1:1 means you are paying to lose money.
FAQs
What is the difference between CRR and LTV:CAC?
CRR stands for Customer Retention Rate — The percentage of customers you keep over a period. The quietest growth lever in the business — retention compounds; acquisition just refills the bucket. LTV:CAC stands for Lifetime Value to Acquisition Cost Ratio — The ratio of what a customer is worth over their lifetime vs. what it cost to acquire them. Healthy SaaS benchmark is 3:1 or better — anything under 1:1 means you are paying to lose money.
Are CRR and LTV:CAC the same thing?
No. They're often used in the same conversation because they're related, but they describe different concepts. CRR = Customer Retention Rate. LTV:CAC = Lifetime Value to Acquisition Cost Ratio.
When should I use CRR vs LTV:CAC?
Use CRR when you're specifically referring to customer retention rate. Use LTV:CAC when the topic is lifetime value to acquisition cost ratio.