# DiscountOS

> A free Shopify app for every discount your store needs: BOGO, volume, bundle, tiered, shipping, codes, and automatic discounts, across every market you sell in.

## Core pages
- [DiscountOS home](https://discountos.app/): the product overview, every discount type and market support.
- [About](https://discountos.app/about): who builds DiscountOS and why.
- [Privacy Policy](https://discountos.app/privacy): how merchant and visitor data is handled.

## Blog
- [How to discount on Shopify without destroying your margin (2026)](https://discountos.app/blog/discount-without-destroying-margin/): A discount rarely costs what the percentage says. Here is the break-even math, why targeted beats sitewide, and how to discount without leaking profit.