NPS vs CSAT: What’s the Difference and Which One Should You Track?

NPS vs CSAT: What’s the Difference and Which One Should You Track?

Every business wants to know if its customers are happy. The tricky part is knowing which question to ask.

NPS and CSAT are the two most widely used customer satisfaction metrics in the world. Both involve asking customers for a rating. Both give you a number. And yet they measure completely different things — and using the wrong one for your situation is one of the most common mistakes businesses make when they start tracking satisfaction.

This guide explains what each metric actually measures, when to use each one, and how to decide which is right for your business.

What is CSAT?

CSAT stands for Customer Satisfaction Score. It measures how satisfied a customer was with a specific experience — a purchase, a service appointment, a tour, a support interaction.

The question is usually something like: “How would you rate your experience today?” with a scale of 1 to 5 or 1 to 10.

The score is calculated as the percentage of customers who gave a positive rating — typically 4 or 5 out of 5 — over the total number of responses.

CSAT is a transactional metric. It tells you how a specific interaction went, at a specific moment. It’s narrow by design — that’s what makes it useful. A high CSAT means the experience worked. A low one means something went wrong, and it happened recently enough that you can probably fix it.

What is NPS?

NPS stands for Net Promoter Score. It measures loyalty — specifically, how likely a customer is to recommend your business to someone else.

The question is always the same: “How likely are you to recommend [business] to a friend or colleague?” on a scale of 0 to 10.

Based on their answer, customers are classified as:

• Promoters (9–10): loyal enthusiasts who will recommend you
• Passives (7–8): satisfied but not enthusiastic
• Detractors (0–6): unhappy customers who may actively discourage others

The NPS score is calculated by subtracting the percentage of Detractors from the percentage of Promoters. It ranges from -100 to +100.

NPS is a relationship metric. It doesn’t tell you about one experience — it tells you about the overall relationship the customer has with your brand. A customer can have a great individual experience (high CSAT) and still not recommend you (low NPS) if they’ve had problems in the past, or if they simply don’t feel strongly enough to put their name behind a recommendation.

The key difference in plain terms

CSAT answers: “How did that go?”

NPS answers: “Would you stake your reputation on recommending us?”

One is about a moment. The other is about trust accumulated over time.

A hotel guest might rate their checkout experience as 5 out of 5 (high CSAT) but give a 6 on NPS because the Wi-Fi was poor throughout their stay and the breakfast was disappointing on two mornings. The experience was fine. The relationship isn’t strong enough for a recommendation.

Conversely, a loyal customer who’s used your service for three years might give you a 9 on NPS — they’d recommend you without hesitation — but rate a specific interaction as 3 out of 5 because something went wrong that day.

Both pieces of information are useful. They’re just answering different questions.

Which one should you track?

The honest answer is: it depends on what decisions you’re trying to make.

Track CSAT if you want to:

• Identify specific points in the customer journey that are underperforming
• Monitor the quality of individual interactions (support, service, delivery)
• Catch problems quickly, while you can still fix them
• Improve a specific product, tour, or service

CSAT is the right metric for operational decisions. If something in your process is broken, CSAT will tell you where and when.

Track NPS if you want to:

• Understand the overall health of your customer relationships
• Predict customer retention and churn
• Benchmark your brand against competitors
• Understand whether your customers would recommend you

NPS is the right metric for strategic decisions. It’s slower to move and harder to act on directly, but it gives you a picture of where your business stands in the long run.

Track both if:

• You have the capacity to act on the data from both
• You want to correlate specific experiences (CSAT) with overall loyalty (NPS)
• You’re trying to understand whether operational improvements are translating into stronger relationships

A third metric worth knowing: CES

While we’re here — there’s a third metric that often gets overlooked: CES, or Customer Effort Score.

CES measures how easy or difficult it was for a customer to complete something: make a booking, resolve a complaint, contact your team. The question is typically: “How easy was it to [do X]?”

CES is particularly useful for identifying friction in your processes. A customer can be satisfied with the outcome and still find the journey to get there exhausting. High-effort experiences erode loyalty even when the end result is good.

If you’re noticing customers dropping off mid-process, or getting frustrated in ways that don’t show up in your CSAT scores, CES is worth adding to the mix.

The metric that doesn’t cost you a survey

Here’s something most businesses miss. You’re already collecting a version of all three metrics — you’re just not reading them systematically.

Your reviews contain CSAT signals (how satisfied was this customer with this specific experience?), NPS signals (would they recommend you — and do they say so explicitly?), and CES signals (did they find the process complicated or easy?).

Sentiment analysis extracts these signals automatically — identifying which customers are promoters, which interactions are generating friction, and which aspects of your product are driving satisfaction up or down. Without sending a single additional survey.

Platforms like TourReview combine review management with sentiment analysis, so you can track satisfaction trends across all your platforms without building separate feedback systems. It doesn’t replace surveys — but for many businesses, it’s the most practical starting point.

Summary

If you’re just starting out, CSAT is the easiest to implement and the fastest to give you actionable data. Once you have that foundation, NPS adds the longer-term perspective. CES fills in the gaps.

The goal isn’t to collect metrics for the sake of it. It’s to have enough information to make better decisions — faster.

Want to see how TourReview tracks your CSAT in real time across all your review platforms? [Request your free demo →]