A standard catalogue, validating demand fast
A conventional product range with no unusual variant needs can be live on Shopify in days, which matters more than ownership cost when the real question is still whether the product sells at all.
CUSTOM BUILD VS SHOPIFY
Custom build vs Shopify
Shopify is a hosted ecommerce platform: a monthly subscription for the platform, a transaction fee on every sale unless you use its own payment processor, and paid apps for anything the base platform does not do natively. A custom build is a checkout written around the actual catalogue, with none of the three.
Each fee is small on its own. Together, indefinitely, for as long as the store operates, they are the real cost of running on the platform, and the honest comparison has to include all three, not just the headline subscription price.
THE REAL DIFFERENCES
What actually differs, line by line
Not a scorecard. Six things that behave differently in practice.
| Shopify | Custom build | |
|---|---|---|
| Getting live | Days, for a standard catalogue | 7 days, built to the actual catalogue |
| Recurring fees | Subscription, transaction fee, app stack, all indefinite | Hosting only, usually a few dollars a month |
| Variant complexity | Assumes a fairly standard variant structure | Built for the catalogue's actual shape |
| Payment tooling | Shopify Payments handles PCI compliance out of the box | Built on Stripe, configured for the store specifically |
| App ecosystem | Thousands of apps for common, standard needs | Built in, or not needed at all |
| Leaving the platform | Products export, the store and its logic do not | Nothing to migrate, you already own it |
WHERE THE ALTERNATIVE WINS
When Shopify is genuinely the right answer
Not a hedge. Real situations where it wins.
No one to manage a server
Shopify is fully hosted. For a solo operator with no interest in managing infrastructure, that is a genuine trade worth the recurring fees.
A common need with a mature app for it
Loyalty programmes, reviews, basic email marketing — for standard requirements, an established app is often cheaper than custom work, at least at first.
WHAT IT COSTS
What it actually costs either way
Shopify is cheaper to start and more expensive to keep running.
A custom store here runs
STRAIGHT ANSWERS
Questions about Shopify vs a custom build
The ones that come up before anyone signs anything.
No. It is a mature, reliable platform for a standard catalogue, and for validating a product idea fast it is often the right call. The problem shows up with catalogue complexity: unusual variant structures, made-to-order items, or a checkout that needs logic the platform was not built around.
It assumes a fairly standard variant structure. A fragrance with size and concentration tracked independently, or a made-to-order item with a delivery window, often needs a custom checkout built around the product rather than the platform's assumptions.
No, Shopify Payments avoids the additional transaction fee, but it is still a percentage per sale indefinitely, which a one-time custom build does not carry.
Between
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For the full breakdown of the three recurring fees and industry-specific checkout failures, see the Shopify migration guide.