NFC Fidelity PRO for Android
The application allows you to build a database of your customers, with their registry and their loyalty points. All you need is an NFC smartphone or tablet, and some NFC cards (or other NFC gadgets) to be assigned to your customers.
The free version has no limit of customers.
The registration form of new users is very simple and immediate: first, enter customer's data, and then tap the customer's card with your device.
To insert a new reward, go to "Reward List" > "Add reward", where you will be asked a name of the reward, and the points to reach to get it.
To assign a reward to a customer, first choose the reward and then tap the customer's card with your device.
The same system is designed for adding loyalty points: first insert the number of points, and subsequently tap the card with your device.
On ShopNFC.it, you can buy NFC cards, wristbands and pendants, customizable with your own graphics.