Helping Customers Find Where to Enter Discount Code on Shopify

Table of Contents

1. Introduction
2. The Customer View: Where to Enter Discount Code on Shopify
3. The Strategy Shift: Why Manual Codes Are Just the Beginning
4. Foundations First: Is Your Store Ready for Discounts?
5. Clarify the "Why": Identifying Your Bundling Goals
6. Margin and Operations Check: The Math Behind the Code
7. Bundling with Intention: Choosing Your Mechanic
8. How Bundles Actually Work in Shopify (Plain English)
9. Performance and Measurement: Beyond the "Apply" Button
10. When to Bring in Help
11. Reassess and Refine: The Ongoing Journey
12. Summary of Key Takeaways
13. FAQ

Introduction

It is a scenario every Shopify merchant dreads: a customer spends twenty minutes curated the perfect cart, reaches the final step, and then stops. They have a discount code in hand—perhaps from a welcome email or a seasonal promotion—but they cannot find the box to enter it. In that moment of friction, the excitement of the purchase evaporates. They might go back to their inbox to see if they missed instructions, or worse, they might leave the site entirely to search for a "better" code, only to never return.

Understanding exactly where to enter a discount code on Shopify, and how that experience differs between a desktop computer and a mobile device, is a fundamental piece of your store's user experience (UX). For new Shopify founders and growing Direct-to-Consumer (DTC) brands, this small detail can be the difference between a high conversion rate and a high cart abandonment rate. Whether you are managing a high-SKU catalog or a specialized boutique with giftable products, the visibility of your promotion field is a high-stakes component of your checkout flow.

In this guide, we will look at the technical "where" of discount codes from the customer’s perspective, but we will also go much deeper. At MBC Bundles, we believe that discounts should not just be a reactive tool to save a sale. Instead, they should be part of a deliberate strategy to increase your Average Order Value (AOV) and build customer loyalty.

Our thesis is built on five pillars: building strong foundations first, clarifying your specific goal, performing a rigorous margin and operations check, bundling with intention, and constantly reassessing your data. By the end of this article, you will not only know where that discount box lives, but you will also know how to move beyond simple codes toward a sophisticated bundling strategy that drives sustainable growth.

The Customer View: Where to Enter Discount Code on Shopify

To support your customers effectively, you first need to see what they see. Shopify’s checkout is famously streamlined, which is generally a benefit for conversion, but its minimalist design sometimes hides the discount field—especially on mobile devices.

The Desktop Experience

On a standard desktop or laptop screen, the discount code field is typically located on the right-hand side of the checkout page. It sits just above the subtotal and taxes in the order summary sidebar. It is a simple text box labeled "Discount code" or "Promo code," followed by an "Apply" button.

This sidebar usually stays fixed as the customer moves through the "Information," "Shipping," and "Payment" steps. This means the customer can apply their code at almost any point during the checkout process before they finalize the payment.

The Mobile Experience

This is where most customer confusion occurs. To save space on smaller screens, Shopify collapses the order summary. When a customer reaches the checkout on a mobile device, they usually see a summary at the very top of the page that says "Show order summary" with a small shopping cart icon and the total price.

The discount code field is hidden inside that collapsed section. A customer must tap "Show order summary" to expand the view, revealing the items in their cart and the text box where they can enter their code.

Key Takeaway: If your customer support inbox is filled with people asking where to enter their code, it is likely because your mobile shoppers are not finding the "Show order summary" toggle. Consider adding a small note in your cart page or your promotional emails explaining this mobile step.

What to do next:

• Perform a test order on your own phone to see exactly how the "Show order summary" looks.
• Check if your theme allows for a "sticky" discount box or if you can add a reminder on the cart page.
• Update your FAQ page with a screenshot showing the mobile checkout view.

The Strategy Shift: Why Manual Codes Are Just the Beginning

While knowing where to enter a discount code is essential, relying solely on manual codes can be a limitation for a growing brand. Manual codes require the customer to do the "heavy lifting"—they have to remember the code, copy it, and find the box.

At MBC Bundles on the Shopify App Store, we encourage merchants to think about the "why" behind the discount. Are you trying to reward a first-time buyer? Are you trying to clear out old inventory? Or are you trying to get a customer who wanted one item to buy three?

Manual Discount Codes

These are the standard "SUMMER20" style codes.

• Pros: Great for tracking specific marketing influencers or email campaigns. They give the customer a sense of "winning" a deal.
• Cons: High friction. If the customer forgets the code or can't find the box, the sale is at risk.

Automatic Discounts

Shopify allows you to set up discounts that apply automatically when certain conditions are met (e.g., "Spend $100, get 10% off").

• Pros: Zero friction. The customer sees the savings immediately in the cart without typing anything.
• Cons: Harder to use for specific "exclusive" offers, and they don't always stack well with other manual codes.

Product Bundling

This is the "Bundle with Intention" approach. Instead of a generic code, you offer a "Buy the Set" or "Mix & Match" offer.

• Pros: Increases AOV significantly. It simplifies the decision-making process for the shopper and moves more inventory per shipment.
• Cons: Requires a more thoughtful setup regarding margins and inventory.

Foundations First: Is Your Store Ready for Discounts?

Before you worry about where the discount code goes, you must ensure your store foundations are solid. A discount cannot fix a broken shopping experience.

If your product pages are confusing, your shipping costs are hidden until the last second, or your mobile site is slow, a 20% off code won't save the conversion. At MBC Bundles, we recommend a "foundations first" audit:

1. Clear Offer Transparency: Is the discount clearly explained on the product page or a banner?
2. Product Page Clarity: Do shoppers know exactly what they are getting?
3. Trust Signals: Are reviews and return policies easy to find?
4. Mobile UX: Is the "Add to Cart" button easy to hit, and does the cart load quickly?

Caution: Do not use discounts to mask poor traffic quality. If you are buying low-intent traffic from social media, those visitors may bounce regardless of the discount. Focus on your core audience first.

Clarify the "Why": Identifying Your Bundling Goals

Once your foundations are set, identify the goal of your promotion. Every discount or bundle should have a specific purpose.

• Goal: Raise AOV. Use quantity breaks (e.g., "Save 10% when you buy 3") or Mix & Match bundles.
• Goal: Move Inventory. Use a "Buy X Get Y" (BOGO) offer to move slower-selling items alongside your bestsellers.
• Goal: Improve Discovery. Create a "Starter Kit" bundle that introduces customers to a variety of your products.
• Goal: Reduce Choice Overload. For stores with hundreds of SKUs, curated bundles act as a "guide," helping the customer choose without feeling overwhelmed.

Practical Scenario: If you notice shoppers are frequently adding one item and then leaving the site, don't just send them a discount code for their next order. Instead, test a Frequently Bought Together bundle right on the product page. By showing them a logical pairing (like a camera and a memory card), you provide value and increase the order size in a single click.

Margin and Operations Check: The Math Behind the Code

This is the most critical step that many founders skip. A 20% discount is not just 20% off your top line; it comes directly out of your net profit.

Confirming Profitability

Before launching any bundle or discount, calculate your "break-even" point. Consider:

• Cost of Goods Sold (COGS): The literal cost of the products.
• Shipping Costs: Does the bundle make the package heavier or larger? Does it trigger a higher shipping tier?
• Pick and Pack Fees: If you use a third-party logistics (3PL) provider, does a bundle count as one "pick" or three?
• Return Risk: Bundles with many items can sometimes lead to higher return rates if the customer only likes one part of the set.

Discount Stacking and Conflicts

Shopify has specific rules about "discount stacking." Historically, you could only use one discount at a time. While Shopify has introduced more flexibility, you must still be careful. If you have an automatic "Free Shipping over $50" offer and a "10% off" manual code, you need to ensure they work together (or don't) exactly how you intended.

Red Flag: Always test your discount logic in a "Incognito" or "Private" browser window before announcing it to your email list. Check if a customer can accidentally stack multiple offers to get products for near-zero cost. If you are unsure about complex discount rules, check your Shopify admin settings and consider testing on a duplicate theme.

Bundling with Intention: Choosing Your Mechanic

At MBC Bundles, we believe in using the "minimum effective set" of tools. Don't overwhelm your store with every type of bundle at once. Start simple.

Mix & Match

Allow customers to choose their own flavors, colors, or sizes to build a custom pack. This is perfect for consumables like snacks, skincare, or apparel (socks/underwear).

• Context: This reduces the "friction" of the customer not liking one specific item in a pre-made set.

Buy X Get Y (BOGO)

A classic for a reason. It is excellent for moving inventory.

• Context: Use this for "gift with purchase" offers to make the customer feel rewarded without a deep sitewide discount.

Quantity Breaks

The more they buy, the more they save.

• Context: Best for items people need to replenish often. It encourages "stocking up," which lifts AOV significantly.

Bundle Builders

A guided experience (often a step-by-step wizard) where a customer builds a complex kit.

• Context: Great for high-value items or gifts (e.g., "Build your own gift box").

What to do next:

• Identify your top three best-selling products.
• Identify one "slow-moving" product that complements them.
• Create a "Buy the Best-Seller, Get the Slow-Mover 50% Off" bundle using a tool like MBC Bundles on Shopify.

How Bundles Actually Work in Shopify (Plain English)

It helps to understand what is happening under the hood when a customer interacts with a bundle.

1. The "Draft Order" vs. "Script" Approach: Some apps create a "hidden" product that represents the bundle, while others (like MBC Bundles) often use Shopify's native discount functions to adjust the price of individual items in the cart. The latter is generally better for inventory accuracy.
2. Inventory Management: When a bundle is sold, your inventory needs to decrease for each individual item in that bundle. A good bundling tool ensures that if one item in a bundle goes out of stock, the whole bundle is marked as unavailable, preventing "overselling."
3. Variant Complexity: If you have a shirt in 5 colors and 5 sizes, that’s 25 variants. If you bundle it with a hat in 3 colors, the combinations grow quickly. Ensure your bundling tool handles these variants without slowing down your site.
4. Mobile Performance: Every script you add to your site can slow it down. Choose a tool that is "Built for Shopify" and optimized for speed, so the "discount code" experience stays snappy.

Performance and Measurement: Beyond the "Apply" Button

You’ve set up the code, and you know where the customers enter it. Now, how do you know if it’s working? You must look at the right metrics.

Key Metrics to Track

• Average Order Value (AOV): Is the bundle actually making people spend more than they would have otherwise?
• Conversion Rate: Did the discount help hesitant shoppers cross the finish line, or did it just lower the profit from people who would have bought anyway?
• Attach Rate: How often is the "bundle item" being added alongside the main product?
• Checkout Completion: If this rate drops after you introduce a complex discount, customers might be confused about where to enter the code or why the discount isn't appearing.

One Change at a Time

Don’t launch a BOGO offer, a free shipping threshold change, and a new "Welcome" code all on the same day. You won't know which one worked. Test one promotion for two weeks, measure the impact, and then iterate.

Key Takeaway: Segment your data. Look at how mobile users behave versus desktop users. If mobile users have a much lower "Discount Code Applied" rate, you have a UX visibility problem.

When to Bring in Help

Sometimes, the "where to enter discount code" problem is actually a technical glitch or a legal requirement.

• Theme Conflicts: If your "Apply" button is missing or the order summary won't expand on mobile, it might be a conflict between your theme's JavaScript and an app. Recommendation: Test on a duplicate theme and contact a Shopify developer or the app's support team if you aren't confident with code.
• Payments & Fraud: If codes are being leaked to coupon-scraping sites and you see a surge in high-risk orders, check your Shopify fraud filters. Recommendation: Contact Shopify Support and your payment provider if you suspect fraudulent activity.
• Legal & Compliance: Different regions have different rules about "original price" vs. "discount price" (such as the Omnibus Directive in the EU). Recommendation: Consult a legal or compliance specialist to ensure your "Compare at" pricing and discount disclosures are transparent and legal.

Reassess and Refine: The Ongoing Journey

A successful Shopify store is never "finished." The way customers interact with discount codes and bundles will change as your brand grows.

Maybe a 10% manual code worked when you were small, but now that you have 50 SKUs, a Mix & Match bundle is more effective. Perhaps your mobile traffic has grown from 50% to 80%, making the visibility of the "Order Summary" toggle your number one priority.

Follow the phased journey:

1. Foundations: Keep your site clean and fast.
2. Goal Clarity: Know why you are discounting.
3. Margin Check: Stay profitable.
4. Bundle with Intention: Choose the right mechanic for the job.
5. Reassess: Use your data to make the next move.

Summary of Key Takeaways

• Visibility Matters: On mobile, the discount field is hidden inside the "Show order summary" dropdown.
• Reduce Friction: Use automatic discounts or product bundles to save customers the work of typing a code.
• Profit First: Always calculate your margins, including shipping and fulfillment, before launching a promotion.
• Start Simple: Don't overcomplicate your discount logic; the "minimum effective set" usually performs best.
• Test Everything: Use a private browser window to ensure your codes and bundles behave as expected.

"A discount is a tool for growth, not a tax on your business. When you bundle with intention, you aren't just lowering the price—you're increasing the value of the entire shopping experience."

If you are ready to move beyond simple codes and start building a high-AOV store, explore how intentional bundling can transform your checkout flow with our case studies. Start with one simple bundle, measure the results, and grow from there.

FAQ

Why can't my customers find where to enter their discount code on their phones?

On the Shopify mobile checkout, the discount code field is hidden by default. Customers must tap the "Show order summary" link at the very top of the screen to reveal the input box. If your customers are struggling, consider adding a brief instructional note on your cart page or in the footer of your promotional emails to guide them.

Can I have a discount code and an automatic bundle discount work at the same time?

This depends on your Shopify "Discount Combinations" settings. In your Shopify admin, you can specify whether a discount code can be combined with other product discounts, order discounts, or shipping discounts. However, be cautious: stacking too many discounts can quickly erode your profit margins. Always test the combination yourself before going live.

Will adding a bundling app slow down my Shopify checkout?

Most modern bundling apps, especially those "Built for Shopify," are designed to be lightweight. However, apps that use heavy scripts or complex "draft order" workarounds can sometimes cause lag. It is best practice to test your site speed using tools like PageSpeed Insights before and after installing a new app. MBC Bundles focuses on clean UX and performance to minimize this risk.

How long should I run a bundle or discount code before deciding if it’s successful?

Results vary based on your traffic volume, but a good rule of thumb is at least two weeks (or long enough to capture at least 100-200 transactions). This gives you enough data to see past daily fluctuations and understand the impact on metrics like AOV and conversion rate. Remember to change only one major promotional element at a time to keep your data clean.