---
title: "The ONE Promo Codes"
description: "Promo Codes at The ONE. Check for offers and shopping options on Refermate."
canonical_url: "https://refermate.com/store/the-one/promo-codes"
md_url: "https://refermate.com/store/the-one/promo-codes"
last_updated: "2026-10-23T08:57:51.552Z"
---
# The ONE Promo Codes - Up to 6.72% Cash Back

- URL: https://refermate.com/store/the-one/promo-codes
- Page: Promo Codes
- Store: The ONE
- Store website: https://www.smartpiano.com
- Last refreshed: Friday, October 23, 2026

## Current Offers

No active promo codes are listed right now.

## About The ONE

The ONE \(smartpiano.com\) sells smart digital pianos and MIDI keyboards in the United States, along with related accessories, designed to pair with learning apps for interactive practice and music education.

## Frequently Asked Questions

### 1. Does The ONE have any promo codes right now?
No current The ONE promo codes are listed on Refermate right now. You can still check the store's products and rewards while waiting for a new offer.

### 2. Does The ONE offer cash back?
Yes, you can earn up to 6.72% cash back on eligible The ONE purchases through Refermate. The offer and cash back terms determine whether a promo code can be combined with it.

### 3. How do I use a promo code at The ONE?
When a code is listed, copy it from this page, add your items to your The ONE cart, and paste the code in the promo code field at checkout. Check the offer terms to confirm the discount applies.

### 4. When was this The ONE promo codes page updated?
Refermate updates this page when its The ONE offer or store data changes. Check the current offer details before shopping.

## Explore More

- Site map: https://refermate.com/sitemap.md
- Store sitemap: https://refermate.com/stores/sitemap.md
- Store directory: https://refermate.com/stores