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How to Add Buy Now Button on Shopify Product Page: Give Ready Shoppers a Shortcut to Checkout
Looking to how to add buy now button on Shopify product page and have it send the right variant and quantity every time? We build and test the button in a duplicate theme, match your design and check it on real phones. From $49, fixed price.
- Buy now button next to Add to cart
- Right variant and quantity every time
- Text and colour matched to your theme
- Sold-out states handled

450+ Shopify Stores Built Since 2015. Your Buy Now Button Gets the Same Care.
More than 450 Shopify stores launched since 2015 and a 4.9+ average from verified clients sit behind this task. Your buy now button is small in scope and handled with the same planning and testing as our biggest builds.
Average rating from verified clients
Building Shopify stores since
Secure checkout
Pay through a protected checkout and keep a full order record.
Two revision rounds
Included in every package, so the result matches what you pictured.
Backup before changes
We work on a duplicate of your theme, never on your live store.
How to Add Buy Now Button on Shopify Product Page: A Shorter Road From Product Page to Payment
Shoppers who already know what they want do not need to visit the cart. A Buy now button skips that step, and when it reads the chosen size and quantity correctly it feels effortless, while a badly built one sends the wrong item and costs you a customer.
Ready shoppers still go the long way
The only button is Add to cart, so a decided shopper has to add, open the cart and press checkout. Where a Buy now button exists it may be hidden, unstyled, or send the default variant instead of the chosen one.
A direct path that picks the right item
A clear Buy now button sits under Add to cart, reads the selected variant and quantity and opens checkout with exactly that item. Sold-out variants are disabled and the button looks right on phones.
What Your Buy Now Button Includes
When you ask how to add a Buy now button and want it done for you, you get the button built in your theme, tested with every variant and quantity, and checked beside Shopify's own payment buttons.
Implementation checklist
- Buy now button added to your product page in the position you choose
- Button reads the selected variant and quantity before sending the shopper to checkout
- Text, colour, size and hover style matched to your theme
- Disabled state for sold-out and unavailable variants
- Loading state so double taps do not create duplicate orders
- Behaviour checked beside Shopify's dynamic checkout buttons, which can stay on or be turned off
- Mobile placement tested so the button is easy to tap
- Handover note showing how to change the text and where the button is controlled
Shopify's own Buy it now button may already be available through your payment settings. If it is, we tell you before you spend anything, and the task then focuses on enabling, disabling or restyling it, or on building a custom button where Shopify's cannot be used.
From Add to Cart Only to a Direct Path to Checkout
Follow one purchase. The shopper picks a variant, sets the quantity and presses Buy now, and checkout opens with exactly that item.
Exactly What Is and Is Not Covered for Your Buy Now Button
Your buy now button is priced against a defined scope, so check what is covered, what is excluded, what we need and when a separate quote makes more sense.
Included
- A Buy now button on your live product page
- Variant, quantity and sold-out handling
- Styling and mobile checks
- Two revision rounds and a written handover note
Not included
- Changing checkout design that Shopify controls
- Setting up payment gateways
- Bundles or subscription products
- Any change inside the checkout that Shopify controls
Access we need
- Collaborator access to your Shopify store
- Your preference on Shopify's own buttons
- Button wording and colour
Quote triggers
- Products with line item properties or bundles
- Subscription or selling plan products
- Themes that have been heavily modified by page builders
Typical turnaround
- 1 to 3 working days for most buy now button jobs
- Faster options in the calculator
- Timing confirmed before work starts
After launch
- Two revision rounds before go-live
- A short handover note for your buy now button
- Questions answered; larger changes quoted on their own
How to Add Buy Now Button on Shopify Product Page With a Theme Setting, an App or a Freelancer?
See how the main ways of handling a buy now button stack up on the points that tend to cause trouble later.
| What matters | Free app or DIY | Gig marketplace | Large agency | Store Design Expert |
|---|---|---|---|---|
| Sends the chosen variant correctly | Usually | Sometimes | Varies | Yes |
| Sold-out states handled | Sometimes | Sometimes | Rarely | Yes |
| No monthly fee | Yes | No | Yes | Yes |
| Handover note for later changes | No | No | Sometimes | Yes |
| Price known before work begins | Free but time-costly | Varies | Quote only | Yes |
| Theme backup before any change | No | Rarely | Usually | Yes |
| Two revision rounds included | No | Varies | Extra cost | Yes |
| Handover note for what changed | No | Rarely | Sometimes | Yes |
Price Your Buy Now Button
Pick a package, adjust the options for your buy now button and set your speed. The fixed price and delivery estimate update with every click, with no hidden fees.
Request a custom quote
Products with custom line item properties, subscription products and themes heavily modified by page builder apps are scoped separately and quoted at a fixed price.
Request a QuoteChanged your mind? Choose Express Basic, Express Standard or Express Plus above to return to the instant calculator.
How We Handle Your Buy Now Button, Step by Step
Here is the route your buy now button takes in six steps, ending with a published result and a note on how it works.
- 01
Purchase
Select the package and options that fit your buy now button, and checkout locks in a fixed price and a delivery estimate.
- 02
Access
Approve our collaborator request and fill in the short brief, and ownership never changes hands while we work on the buy now button.
- 03
Build in a duplicate theme
We build the buy now button in a duplicate theme first, so a mistake can never reach your live checkout.
- 04
QA
We run the buy now button through a test pass on small phones, tablets and desktop screens and correct what we find.
- 05
Handover
Following your approval we release the buy now button and leave you with a clear record of the changes.
- 06
Support
If something about the buy now button needs a second look after launch, ask and we respond, and bigger changes get their own fixed quote.
Buy Now Button Checks and Acceptance Criteria
The buy now button is only handed over once it meets the acceptance list below, and a saved copy of your theme means nothing is ever final until you say so.
What we test
- VariantsEvery variant combination sends the right item to checkout.
- QuantityThe quantity in the field matches the quantity at checkout.
- Sold outUnavailable variants disable the button with a clear state.
- DevicesThe buy now button is checked on recent iPhone, Android, tablet and desktop widths, including small phones at 320 pixels.
- BrowsersAdd Buy Now Button is checked in current Chrome, Safari, Firefox and Edge.
- DuplicatesDouble taps do not create two checkouts or add the item twice.
Acceptance criteria
- The Buy now button shows on your product pages
- It opens checkout with the chosen variant and quantity
- Sold-out variants disable it
- It looks right on small phones
- You can edit the button later using the handover note
What We Need to Get Add Buy Now Button Started
Give access in whichever way you prefer, then send the short list of details for the buy now button, and nothing reaches your live theme before you approve it.
Collaborator access
Invite us from your Shopify admin and we can begin the buy now button without anyone sharing a password, and you remove us when the work ends.
No store yet? We build it first
Starting from scratch is fine, because we build the buy now button in our development store and hand ownership to you at the end, and you pick your Shopify plan only then.
Prefer to share a login?
If you would rather not use the collaborator route for the buy now button, send staff login details, although we always recommend the easier-to-revoke option.
Your preference
Tell us whether to keep, hide or replace Shopify's own buttons, and what text and colour you want for the new one.
Product types
Tell us if any products have bundles, custom fields or subscriptions, so we plan the testing.
One decision maker
Pick one reviewer for the buy now button so every change request lands at once and fits the two included rounds.
If you are unsure which route suits the buy now button, say so in the short form after checkout and we will suggest the simplest one.
What Store Owners Say Before You Order Add Buy Now Button
Verified feedback from clients who trusted us with their Shopify stores and quick tasks alike.
The website development work was truly impressive. Their attention to detail and ability to exceed expectations made the project a success. Working with them was a breeze, thanks to quick responsiveness and a willingness to go above and beyond.
Super great to work with, and super fair!
Store Design Expert was very knowledgeable about what I needed done to fix my Shopify store and how to improve the store layout. The project was completed very quickly, and I will definitely use them for support as my business grows.
Very satisfied with the work. Most importantly, Store Design Expert responded promptly to my questions and concerns. Thank you!
Outstanding work and outstanding customer service. Five stars! I will absolutely use Store Design Expert again for my next book.
Store Design Expert was great! They delivered exactly what I asked for and even offered helpful extra suggestions. Highly recommended.
I request Store Design Expert every time I have a project. They are professional and give real attention to detail, which makes the work stand out.
They kept communicating until the problem was fully resolved, and the result was great.
Super helpful and patient. I am new to ecommerce and Store Design Expert talked me through the whole process and even fixed my payment bridging for me!
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How to Add Buy Now Button on Shopify Product Page Questions
Straight answers about cost, scope, timing, apps and what we need from you for your buy now button.
How do I add buy now button on Shopify product page, and can you do it for me?
Yes, we do it for you. Packages start at $49. The calculator adds options such as a discount code, click events, mobile layout and hiding Shopify's own buttons, and shows your exact price and delivery estimate before checkout.
When will the buy now button be ready after I order?
Expect 1 to 4 working days for the buy now button once we have access to your store, with faster delivery available in the calculator when you need it.
Is Add Buy Now Button safe for my live store?
Yes. We work on the buy now button in a duplicate theme first, check it against a written list and publish it only after you say yes, leaving your original theme as a backup.
What do you need from me for Add Buy Now Button?
Collaborator access to your store and your preference on Shopify's own buttons. With no store yet, we set one up in our Partner account, build the buy now button there and hand ownership over to you.
What does Add Buy Now Button cost?
The price for Add Buy Now Button begins at $49 and tops out at $312 when every option is on.
Which Add Buy Now Button package should I choose?
You can choose between Express Basic at $49 (1 to 2 working days), Express Standard at $89 (2 to 3 working days) and Express Plus at $149 (3 to 4 working days) for Add Buy Now Button.
What do I get with Express Basic for Add Buy Now Button?
A Buy now button under Add to cart that sends the chosen variant and quantity straight to checkout, styled to match your theme. It includes: Buy now button on the product page; Chosen variant and quantity sent to checkout; Button text and colour set; Desktop and mobile tested; Disabled on sold-out variants. Express Basic costs $49 and takes 1 to 2 working days.
Which choices do I make for Add Buy Now Button?
The Add Buy Now Button calculator asks for a package and 3 more choices: how should the button work (Switch on or restyle Shopify's own button, Custom Buy now button); how many variant types (No variants or one option, Two or more options); how soon do you need it live (Standard, Sooner, Fastest).
What can I add on top of Add Buy Now Button?
Extras available with Add Buy Now Button: Pass a discount code to checkout (+$20), Click events ready for analytics (+$20), Custom button text and colour (+$10), Mobile-first button layout (+$10) and Hide Shopify's own payment buttons (+$10).
How to Add Buy Now Button on Shopify Product Page: Let Decided Shoppers Skip the Cart
Pick your package, see the exact price and delivery estimate and get a Buy now button that sends the right item to checkout on every device. If your products use bundles or subscriptions, request a quote and we will scope it with you.
Fixed price · Two revision rounds · Backup before changes
