You can't manage CX without measuring it. But the right metrics depend on what you're trying to learn. NPS tells you about advocacy; CSAT tells you about specific moments; churn tells you about the bottom-line outcome. The art is picking three or four and reviewing them consistently.
The metrics that matter most for subscription
- Net Promoter Score (NPS) — "How likely are you to recommend us?" on a 0–10 scale. The standard advocacy metric; useful for trend tracking and segmenting promoters vs. detractors.
- Customer Satisfaction (CSAT) — "How satisfied were you with [specific interaction]?" Best for measuring individual touchpoints like support or first order.
- Customer Effort Score (CES) — "How easy was it to [complete task]?" Best for portal and self-service evaluation.
- Churn rate — The outcome metric. CX work eventually has to show up here.
- Repeat purchase rate — How often customers buy add-ons or upgrade.
- Support response time and CSAT-after-resolution — Specific to service quality.
How to use them together
No single metric tells the full story. NPS without CSAT misses the operational pain points; CSAT without churn misses the bottom-line impact. The strongest CX dashboards combine an advocacy metric (NPS), a touchpoint metric (CSAT or CES), and an outcome metric (churn or repeat purchase). Review monthly, compare against rolling baselines, and don't chase the number — chase the open-ended comments behind the number.
Pitfalls to avoid
- Surveying too often. Every order survey kills response rates and feels intrusive.
- Reading aggregate scores only. The trend, the open-ended comments, and the segment breakdowns are where the signal is.
- Goaling teams on NPS. Hard goals create gaming behavior; team incentives should focus on changes shipped from feedback, not the number.
- Ignoring the silent majority. Survey responders are usually 5–15% of your base. Combine with behavioral signals to capture the rest.
See CX analytics for the broader data view.