Loyalty Program Metrics: 9 Numbers to Track and How

Loyalty Program Metrics: 9 Numbers to Track and How

The loyalty program metrics worth tracking are retention rate, repeat purchase rate, visit frequency, redemption rate, average spend of members versus non-members, active members, time between visits, incremental revenue and program cost. For a salon, cafe or shop, a handful of these, read monthly, tells you whether your program changes behavior or just hands out cards. Below you get the formula for each, a worked example, and the traps that make a program look healthier than it is.

TL;DR

• Start with three numbers: retention rate, repeat purchase rate and redemption rate. They answer “do people come back, how often, and do they use the reward?”
• Total sales from members is a vanity number. Loyal customers join loyalty programs more readily, so measure the incremental lift, not the total.
• Read small businesses monthly, and compare cohorts (customers who joined in the same month) rather than one blended average.
• In the Netherlands, consent for profiling and personalized marketing must be separate from membership. Track what you need and no more.
• Judge the program against its cost: a metric that doesn’t connect to revenue and to what you pay is decoration.

Table of Contents

• Why most loyalty dashboards mislead
• Customer outcome metrics
• Program engagement metrics
• Business result metrics
• Which metrics for which business
• Privacy: what you may measure in the Netherlands
• Our perspective: fewer metrics, read more often
• Where the numbers come from in practice
• A simple monthly routine
• FAQ
• Sources

Why most loyalty dashboards mislead

A typical dashboard shows sign-ups, cards issued and total member spend. All three go up in almost any program, including a useless one. A cafe that gives a card to every customer at the till will have impressive enrollment within a month, yet nothing may have changed about how often anyone visits.

The KVK, the Dutch Chamber of Commerce, describes the options for small businesses, from stamp cards to membership cards, and the rules that apply to each. The measuring question is the same whichever you pick: did behavior change?

The useful metrics fall into three groups:

1. Customer outcomes: retention, repeat purchase, visit frequency, time between visits.
2. Program engagement: active members, redemption rate, reward progress.
3. Business results: member versus non-member spend, incremental revenue, program cost and return.

Customer outcome metrics

Customer retention rate

This is the share of customers you keep over a period. Recurly gives the formula as ((E − N) ÷ S) × 100, where E is customers at the end of the period, N is new customers acquired during it, and S is customers at the start.

Example: a hair salon starts October with 200 active clients, ends with 215, and gained 40 new ones. That is (215 − 40) ÷ 200 = 87.5%. You kept 175 of your original 200.

The same source notes that the measurement period should match the purchase cycle, and that for businesses like salons and cafes, monthly reporting is often best for catching short-term trends. One honest caution: the benchmark figures you see online (70% to 85%) come from subscription businesses. A cafe where people drop in occasionally will not look like that, so compare yourself with your own past months first.

For a salon, define “active” by the rhythm of your services. A client who books every six weeks is not lost after three weeks of silence. For a coffee shop, a customer is probably active if they visited in the last 30 days.

Repeat purchase rate

Repeat purchase rate is the share of customers who bought more than once in a period. It is the simplest answer to “are people returning?” and is easy to calculate by hand. We explain the calculation and its pitfalls in our guide to the repeat purchase rate formula.

Example: of 300 customers who bought in the last quarter, 120 bought at least twice. Your repeat purchase rate is 40%.

Retail owners who want to move this number will find practical tactics in our piece on raising purchase frequency in a shop.

Visit frequency and time between visits

For businesses where customers are individuals you see in person, these two are often more sensitive than retention. Average visits per member per month, and the median days between visits, tell you about momentum. If the gap between visits shrinks after you launch a stamp card, the program is doing its job. If it stays flat, members hold the card but behave as before.

Watch the median rather than the average. One customer who comes in daily for a month can drag an average far from what a typical member does.

Cohort retention

A blended retention figure hides what happened to specific groups. Cohort analysis follows everyone who joined in the same month and asks how many were still active one, two and three months later. If the March cohort is still buying in June and the April cohort has already faded, something changed in April: the reward, the staff routine, the way the card was offered. Our retention cohort analysis workflow walks through it step by step.

Program engagement metrics

Active members

Active members are enrolled customers who earned or redeemed something within a defined window, say 60 days. Divide by total enrolled for an activity rate. A program with 1,000 members and 150 active is a mailing list, not a loyalty program.

Redemption rate

Redemption rate is rewards redeemed divided by rewards earned (or points redeemed divided by points issued) in a period. It measures whether the reward is attractive and reachable.

Both extremes are warnings:

• Very low: the reward is too far away, not valuable enough, or people forget the card.
• Very high and rising: you may be giving away too much, or the reward is so easy that it does not change behavior.

If you run a points scheme, also watch unredeemed balances. Points that pile up are a promise you still owe, and a growing pile without matching growth in revenue suggests earn and redeem rules are out of balance. Stamp cards make this simpler: a stamp card with ten stamps and one free item is easy to reason about, and the cost of a reward is known in advance.

Reward progress

Count how many members sit at each stage of the card: 0 to 2 stamps, 3 to 5, 6 to 8, and one stamp from reward. A big cluster stuck at the early stages means the first reward feels too distant. A cluster at the last stamp means those customers are close to a visit that will cost you a free item but likely bring them back again. That is where a nudge works best.

Business result metrics

Member versus non-member spend

Compare average order value and visits per month for members and non-members. This is the number owners love, and the one that fools them most. Loyal customers are more likely to join in the first place, so members will almost always spend more, even if the program does nothing. The same logic is behind the principle that real value shows up in the change in behavior rather than in the raw total attributed to a channel.

Incremental revenue

Incremental revenue is the sales that would not have happened without the program. It is the honest measure, and it is harder to get. Three practical approaches for a small business:

1. Before and after, per customer. Compare each member’s visit frequency in the 90 days before joining with the 90 days after. Compare with non-members over the same dates to cancel out seasonality.
2. Holdout group. Don’t invite a small random group of customers to a campaign (for example a push notification offer) and compare their return rate with those who were invited.
3. Campaign windows. Run a time-limited stamp promotion and compare visits to the same weeks last year or to a quiet comparison location.

Example: you send a notification offering a double stamp on Tuesdays. Tuesday visits by members rise from 60 to 85 a week, while non-member Tuesday visits stay at 40. The incremental lift is about 25 visits a week, minus any visits that merely moved from other days. Check Monday and Wednesday before you celebrate.

Program cost and return

Add up the software fee, the cost of rewards given, and staff time, then compare it with incremental gross margin (not revenue). A free coffee costs you its ingredients and labor, not its menu price, but a free haircut costs you a chair slot you might have sold. We break down the full picture in what a loyalty program really costs and returns, and you can test your own numbers in the ROI calculator. For a wider look at the formula, see our article on calculating loyalty program ROI in one quarter.

Which metrics for which business

Track no more than five numbers at first. A metric nobody looks at is clutter.

Privacy: what you may measure in the Netherlands

Metrics depend on data, and in the Netherlands data comes with rules. According to the KVK guidance, you must be transparent about what you collect and why, and personalized marketing or profiling cannot be forced on customers as a condition for taking part in a basic program. Consent for those uses has to be voluntary, specific and separate from membership.

For large-scale or high-risk profiling, a Data Protection Impact Assessment matters: a legal update on Dutch data protection describes a decision where a retail group launched a loyalty program without an adequate DPIA under Article 35 GDPR. A small salon or cafe counting visits and stamps is far from that, but the principle applies: collect what you need to run the program, explain it plainly, and keep marketing consent as its own choice. If you are unsure whether your setup counts as profiling, ask a privacy lawyer or your data protection contact before you build segments.

The good news is that the most useful metrics, visits, stamps and redemptions, need little personal data.

Our perspective: fewer metrics, read more often

We build digital stamp and reward cards that live in Apple Wallet and Google Wallet, and the pattern we care about is simple: a number matters only if it changes what you do on Monday morning. A cafe owner who sees that members stall at stamp six can send a push notification. A salon owner who sees the October cohort fading can look at how the card was offered at checkout.

That is why we steer owners away from enrollment counts and toward three questions. Who came back? Who is one visit away from a reward? Did the last campaign bring visits that would not have happened anyway? We also think a program should be judged against a control, not against hope. If you cannot show a lift, change the reward or the message before you spend more.

One more opinion: stamp-style campaigns with a clear end are easier to measure than permanent cards, because you have a before, an after and a defined group.

— erenmette

Where the numbers come from in practice

With paper cards, most of these metrics are guesswork. With a digital card, every stamp is recorded when the customer scans a QR code, so visit frequency, redemption and cohort data collect themselves. Beepify’s analytics dashboard shows this activity, and review requests and notifications can be sent from the same place. You can see how the QR code stamp card works, and what is included in the features overview.

Plans start at €45 per month for Starter (€540 per year), with Professional at €86.67 per month (€1,040 per year) and Multi-Location at €207.50 per month (€2,490 per year). Extra scanners cost €5 per month each and extra locations €25 per month each. Enterprise is priced on request. See the pricing page for what each plan includes. If you are still deciding on the program itself, our 7-step setup guide comes first.

A simple monthly routine

1. Pull the five numbers: retention rate, repeat purchase rate, visits per member, redemption rate, active members.
2. Compare with last month and the same month last year, not with an industry average.
3. Look at one cohort: the group that joined three months ago.
4. Check the last campaign against a control (non-invited customers or the same weeks last year).
5. Write down one change for next month, and measure only that.

Twenty minutes on the first working day of the month is enough.

FAQ

How do I measure customer retention in a small business?

Count customers at the start of the period, customers at the end, and new customers gained. Then apply (end − new) ÷ start × 100. Choose a period that fits how often your customers buy: monthly works for cafes and salons.

What is a good redemption rate?

There is no single right figure, because it depends on the reward and the purchase cycle. Aim for a steady rate over time: a falling rate suggests the reward is unattractive or too far away, and a sharply rising one can mean the reward is too easy to earn. Compare your own months with each other.

Which metric shows whether the program actually works?

Incremental revenue: sales that would not have happened without the program. Members spend more partly because loyal customers join more readily, so compare members before and after joining, and against a group that was not invited to a campaign.

Do I need a separate tool for loyalty analytics?

Not necessarily. Visits, stamps and redemptions are the core data, and a digital loyalty platform with a built-in dashboard records them as customers scan. A spreadsheet works for the first few months if you log visits carefully, but it becomes tedious once you have several hundred members.

Sources

• Customer loyalty with loyalty programmes: these are the rules (KVK)
• How to Measure Customer Retention & Key Metrics (Recurly)
• Netherlands Data Protection Update Q4 2025 (VLO Law Firms)

Recommended

• Calculate Loyalty Program ROI in One Quarter for Marketing Leaders
• Loyalty program costs: what you pay and what you get back
• How to Set Up a Loyalty Program in 7 Steps
• Loyalty Program Examples: 12 That Actually Work