KPIProduct & Engineering

Net Promoter Score

Product – likelihood of users to recommend the specific product

What is Net Promoter Score?

Net promoter score in a product context shows how likely users are to recommend the product to others, based on an in-product survey. It gives a simple read on user loyalty.

It is quick to collect inside the product and useful for spotting shifts in how people feel after releases.

How this KPI is measured

Function
Product & Engineering
Sub-function
Product Performance
Industry
All Industries
Type
Lagging
Impact
Quality
Unit
score (−100 to +100)
Measurement frequency
Quarterly
Formula
% Promoters (9–10) − % Detractors (0–6) from in-product survey

How to calculate it

Ask users how likely they are to recommend the product, on a scale of 0 to 10. Subtract the percentage of detractors (0 to 6) from the percentage of promoters (9 to 10).

For example, if 45% are promoters and 20% are detractors, the score is +25.

Ask at a sensible moment, avoid over-surveying, and always add an open question so you learn why people gave their score.

Where it is used

  • Tracking user sentiment

    Follow trends.

  • Measuring release impact

    See changes after updates.

  • Finding improvement themes

    Read the comments.

How to improve it

Tips and common mistakes

  • Compare with your own trend more than with other products.
  • Watch sample size.
  • Do not survey users who are mid-task.

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