If your store uses the new customer accounts, complete Step 1, then follow If you use the new customer accounts from Step 2 onward.
1
Step 1: Choose which coupon codes appear on the account page
Discount codes you create under Discounts are synced into the app’s coupon list.
For each coupon you can set:

Reference data:
1. Configure each coupon (optional)

- Images
- Desktop size (1:1)
- Mobile size (1:2.6)
- A coupon description
- Notes
These settings are optional, but we recommend them because they let the list reflect your brand.
2. Select the coupons to show, then sync
Once the display settings are decided, do the following to show them on the account page.Automatic discounts are not eligible for display and do not appear in the list.
- Select every coupon you want to show
- Press the button to show the selected coupons on the account page
-
Press the confirm button in the dialog

Reference: about coupon syncing
Sync progress is shown on the list screen, so you can check it as it runs.

How long it takes for coupons to appear
2
Step 2: Add the app block in Online Store > Edit theme
How to add the app block to the account page and the cart page.

To show the list on the cart page:

- Go to Online Store > Edit theme, open the account page, and log in to it.
- Add the app block.
Optional: showing the list on the cart page

- Go to Online Store > Edit theme and move to the cart page.
- Add the app block.
3
Step 3: Adjust the display settings
On the screen you reached in Step 2 you can adjust the basic colors and appearance.
4
Step 4: Installation complete
Press Save at the top right, check how it looks on your storefront, and setup is done.
Also set up
[Shopify Plus only] Showing the coupon list at checkout
How stores on Shopify Plus can show the coupon list on the checkout page.
Set coupon codes not shown on the account page
Keep automatic coupon display on while keeping specific coupons, such as those for secret sales or employee discounts, off the account page.