Fidélisation digitaleJune 22, 2026

Keep Customers Coming Back Without a Complicated System

Élodie runs a flower shop in Nantes. Here's how she turned one-time buyers into regulars — without spending her Sundays learning new software.

Meet Élodie, florist in Nantes

Élodie owns Fleurs & Compagnie, a small flower shop near the Place du Commerce. Two employees, around 60 customers a day on a good Saturday. For years, she had a paper loyalty card: buy 10 bouquets, get one free. Half her customers lost the card. The other half forgot they had one.

Last spring she decided to try something different — not a big customer database, not a complicated tool, just three small changes. Six months later: +18 returning customers per week and around 850€ extra revenue per month (enough to cover her shop's electricity bill twice over).

Here is exactly what she did, and what it costs.

The problem with paper loyalty cards

Let's start with the math. Élodie used to print 500 paper cards per quarter. Cost: roughly 80€ for printing. Out of those 500 cards:

  • ~150 were lost within a month
  • ~200 were forgotten at home when the customer came back
  • ~50 were actually completed and redeemed
  • ~100 vanished into the void

So she was paying 80€ to convert only 10% of her customers into repeat buyers. And every Saturday, she spent about 20 minutes stamping cards during the rush — exactly when she needed her hands free.

The three small changes

1. A digital loyalty card (the customer's phone replaces the paper)

A digital loyalty card is simply a card that lives inside the customer's phone, in the same place where they store their plane tickets or concert tickets (Apple Wallet on iPhone, Google Wallet on Android). The customer scans a small QR code at checkout, and the points are added automatically. No app to download, no password.

Élodie chose Zerosix (around 39€/month for a small shop). For a comparison, she also looked at Fidelity App (29€/month) and Heyteam Loyalty (49€/month).

| Tool | Monthly cost | What it does in plain words | |------|--------------|------------------------------| | Zerosix | 39€ | Digital loyalty card, sends SMS reminders | | Fidelity App | 29€ | Loyalty card only, no SMS included | | Heyteam | 49€ | Loyalty + birthday offers + referral tracking |

39€/month is roughly the price of two bouquets of tulips. That investment now brings back, on average, 18 extra visits per week.

Before: 20 minutes stamping cards on Saturday, 10% redemption rate. After: 0 minutes stamping, 64% of customers actually return to use their reward.

2. SMS for special moments (not for spam)

Élodie was scared of SMS at first — she didn't want to bother people. So she set one simple rule: maximum 1 SMS per month per customer, and only for something useful.

She uses SMSFactor (0,065€ per text sent, no monthly fee) or Brevo (free up to 300 emails per day, SMS at 0,045€ each). For 400 customers messaged once a month, that's around 18 to 26€ — the price of a nice lunch.

What she sends:

  1. "Happy birthday Marie! Come pick up a free single rose this week 🌹" (sent the morning of the birthday)
  2. "Mother's Day is Sunday — pre-order before Friday and skip the queue"
  3. "Your loyalty card has 8/10 stamps — 2 more bouquets and your next one is on us"

Result on the birthday SMS alone: out of ~30 birthdays per month, around 22 people come in. Most spend 25-40€ on top of their free rose. That's roughly 600€ of extra revenue per month from a 2€ SMS cost.

3. A simple referral program (your customers become your salespeople)

The rule at Fleurs & Compagnie is now printed on a small card at the counter:

> "Bring a friend, you both get 5€ off your next bouquet."

When a new customer arrives, the cashier just asks: "Did someone recommend us?" If yes, both phones get the 5€ credit added through the same Zerosix tool.

No complex tracking. No codes to type. Just a question at checkout.

In 6 months: 47 new customers came through referrals. Even subtracting the 5€ discounts (470€ total in discounts given), the net gain is around 2 800€ in new revenue.

The full picture — before vs. after

| | Before (paper cards) | After (digital + SMS + referral) | |---|---|---| | Time spent on loyalty per week | 2 hours | 15 minutes | | Monthly cost of the system | ~27€ (printing) | ~65€ (tool + SMS) | | Returning customers per week | ~22 | ~40 | | Extra monthly revenue | baseline | +850€ | | Customer phone numbers collected | 0 | 380 in 6 months |

The extra 38€/month she spends on tools brings back roughly 22 times that amount in revenue. And she got back almost 2 hours of her week — time she now uses to prepare wedding orders, which are her highest-margin work.

How to start tomorrow morning — a checklist

  • [ ] Pick ONE tool (Zerosix, Fidelity App, or Heyteam). Don't compare 10 — just pick one and start.
  • [ ] On day one, ask every single customer: "Want me to set up your loyalty card on your phone? Takes 20 seconds."
  • [ ] Set up ONE automatic SMS first: the birthday message. That's the highest-return one.
  • [ ] Print a small sign at the counter for the referral offer (5€ for both, or whatever fits your margins).
  • [ ] After 1 month, look at two numbers only: how many customers signed up, and how many came back. Adjust from there.

Key takeaways

  • A digital loyalty card costs 30-50€/month and replaces both paper cards and your stamping time — Élodie saved ~1h45 per week.
  • One well-timed SMS per month per customer (birthday, seasonal reminder) can bring in 500-800€ of extra monthly revenue for less than 30€ in messaging costs.
  • Referral programs work best when they're stupid simple: one question at checkout, one reward for both people, no codes.
  • Don't collect data you won't use. A phone number and a birthday are enough. Skip the rest.
  • Bottom line: for around 65€/month — the price of a nice dinner for two — a small shop like Élodie's brings back 18 extra customers per week and earns 850€ more each month. That's the productivity gain.
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