The Churn Blog

Practical strategies, metrics deep-dives, and hard-won lessons on reducing SaaS churn. No fluff, just stuff that works.

All Retention Metrics Strategy Comparison Case Study

What Is CSAT (Customer Satisfaction Score)?

CSAT measures satisfaction with a specific product, feature, or interaction. It answers "did that just work for you?" better than any other metric. Here is how it works, when to use it over NPS, and what good looks like.

Jun 8, 2026 Read more →

Metrics 5 min read

What Is a Good First-Month Retention Rate?

First-month retention is the percentage of new signups still active after 30 days. It is the single best leading indicator of long-term retention. Here are the real benchmarks by segment and what to do if you fall below them.

Jun 7, 2026 Read more →

Metrics 7 min read

What Is a Good NRR for SaaS? (2026 Benchmarks by Stage)

Net revenue retention (NRR) is the single best one-number summary of SaaS business quality. Best-in-class is above 130%. Median is around 105%. Anything under 100% means you are losing more than you are growing.

Jun 2, 2026 Read more →

Metrics 5 min read

What Is a Churn Cohort? (Plus How to Use One)

A churn cohort is a group of customers tracked over time based on when they signed up. It is the most useful unit of analysis for retention work. Here is what they are, why they beat blended averages, and how to build one.

Jun 2, 2026 Read more →

Metrics 4 min read

Churn Rate vs Attrition Rate: What's the Difference?

Churn rate and attrition rate sound interchangeable but they're not always the same thing. Here's how each is defined, when the terms diverge, and which one to use in different contexts.

May 31, 2026 Read more →

Metrics 4 min read

What Is NPS (Net Promoter Score)?

NPS is a single-question survey that measures whether customers would recommend your product. It is the most-cited satisfaction metric in SaaS, and also the most misused. Here is what it actually measures and when to trust it.

May 26, 2026 Read more →

Metrics 5 min read

Survivorship Bias in Cohort Retention Charts

Your cohort retention chart shows the customers who stayed. It cannot show you what would have happened to the ones who left. This creates systematic bias that most teams do not correct for. Here is the bias, how it hurts your decisions, and what to do instead.

May 22, 2026 Read more →

Metrics 5 min read

Goodhart's Law in Retention: When the Metric Becomes the Target

When a measure becomes a target, it ceases to be a good measure. This is Goodhart's Law. It applies devastatingly to retention metrics. Once you incentivize NRR, teams optimize NRR at the expense of what NRR was supposed to indicate.

May 18, 2026 Read more →

Metrics 5 min read

Silent Churn: The Retention Problem Your Metrics Miss

Silent churn is when a customer stops using your product but keeps paying. They show up in your retention numbers as retained. They churn at renewal or when someone notices the invoice. By the time you see them, they are gone. Here is how to detect them.

May 1, 2026 Read more →

Metrics 8 min read

Subscription Box Churn Rate: Real 2026 Benchmarks

What is a good subscription box churn rate? Real benchmarks by category (curated, replenishment, food, beauty, wine), why the averages mislead, and what best-in-class operators actually hit.

Apr 28, 2026 Read more →

Metrics 8 min read

How to Calculate Churn Rate (4 Methods)

There are four valid ways to calculate churn rate, and they give different answers for the same data. Here is how each one works, when to use it, and which one will actually help you make better decisions.

Apr 21, 2026 Read more →

Metrics 7 min read

What Is the Average SaaS Churn Rate? (2026)

The "average SaaS churn rate" you keep seeing online (5%) is misleading. Here are the real averages broken down by segment, pricing model, and business stage, with the methodology that backs each number.

Apr 20, 2026 Read more →

⭐ Featured

Tools to put these strategies into practice

The retention tools I recommend most often.

All tools →

ChurnHalt

Analytics & Insights

You're finding out about churn after it happens. ChurnHalt analyses your Stripe history, finds the patterns behind cancelled subscriptions, and flags who you should focus on.

Retention Email Snapshot

resurrection

Retention & Loyalty

A 15-minute diagnostic call that surfaces exactly where your lifecycle emails are losing users. $249 value - ChurnTools users pay $149 with code CHURNTOOLS40.