# DiscountOS

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

## Core pages
- [DiscountOS home](https://discountos.app/): the product overview, every discount type and market support.
- [Blog](https://discountos.app/blog/): guides on Shopify discounts, targeting, and protecting margin.
- [About](https://discountos.app/about/): who builds DiscountOS and why.
- [Privacy Policy](https://discountos.app/privacy/): how merchant and visitor data is handled.
- [Terms of Service](https://discountos.app/terms/): the terms that govern use of the app and site.
- [CodeOS Privacy Policy](https://discountos.app/codeos/privacy/): how CodeOS - Bulk Discount Codes handles merchant data.

## Blog
- [How to create bulk discount codes on Shopify for free (2026)](https://discountos.app/blog/shopify-bulk-discount-codes/): Create thousands of unique Shopify discount codes for free with CodeOS: set a pattern, add the codes to a discount and export a CSV for email and SMS.
- [The 8 best Shopify discount apps in 2026, compared with real pricing](https://discountos.app/blog/best-shopify-discount-apps-2026/): Eight Shopify discount apps compared on discount types, targeting, storefront display and real pricing. Ratings and prices checked on 8 September 2026.
- [Free gift with purchase on Shopify: how to add one automatically, for free](https://discountos.app/blog/free-gift-with-purchase-shopify/): Three ways to run a free gift with purchase on Shopify, what each costs, and a setup that adds the gift to the cart automatically with no paid app.
- [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.