Different types of digital coupons
Promotional codes (or promo codes)
These alphanumeric codes are entered at checkout on an e-commerce site to receive a discount.

Automatic discounts via apps
Some apps (like Lidl Plus, Carrefour, or Payback) automatically apply discounts once the user is identified.

Cashback offers
You pay the full price for a product, and part of the amount is refunded to you via bank transfer or loyalty account.

Referral vouchers
By inviting a friend to register on a platform, you receive a discount voucher or store credit.

Digital gift cards
Usable as a payment method, they may also include promotional offers.
Available at: https://priceindanger.fr/