Shopify development blog · Apps & mobile

Shopify app development guides: custom apps, mobile apps and the App Store.

When a store needs an app instead of an app-store install, what a mobile app for a Shopify store actually costs, and how custom apps and integrations are built and kept running.

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October 2026
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Senior engineers

Most storefront problems are solved with an app; the ones worth an engineer are the integrations — a booking system, a POS, an ERP — and the moments a mobile app earns its place. These guides cover custom Shopify apps, mobile apps for Shopify stores, what each costs, and how integrations are built so they keep working after the next platform update.

The salon-and-spa guide is the worked example: a 13-location group with booking on Zenoti and retail on Shopify Plus, integrated so the client books in three taps.

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