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Advisory · Three single-purpose apps

Custom Shopify apps — scoping three single-purpose tools

Advisory engagement scoping three small, single-purpose Shopify apps. Build-vs-buy decisions, ownership questions, and the brief the merchant's team needed before commissioning any code.

Shape

A merchant frustrated with off-the-shelf apps that either bundled too much or charged per-event in ways that didn’t match their volume. They wanted small, owned tools that did one thing well — but had no in-house Shopify-app experience and no internal view of what custom should and shouldn’t include.

What the engagement looked at

  • Build-vs-buy decision for each tool — written, with criteria, so the merchant could describe clearly to procurement.
  • Function-first scoping — what could run as a native platform extension before any external service exists. Focusing on the smallest component level change which would achieve their needs, vs buying a specialised platform and using 5% of its capabilities.
  • Ownership plan — who maintains each tool after launch, what a basic runbook would cover, what an exit looks like if the merchant ever wanted to retire the app.

What was handed over

A scoping document the merchant’s engineering team used to brief the delivery work. Build was elsewhere; the architecture choices and the build-vs-buy decisions were the engagement’s contribution.