Custom Shopify App Development
Extend Shopify's capabilities with custom apps built for your exact business requirements. From private tools to public app store listings.
Types of Apps We Build
Private / Custom Apps
Built exclusively for your store. Custom workflows, integrations with ERPs, CRMs, and third-party services tailored to your operations.
- • Custom admin dashboards and tools
- • Third-party API integrations (ERP, CRM, WMS)
- • Automated workflows and background jobs
Public Apps
Apps listed on the Shopify App Store, built to Shopify's review standards with multi-tenant architecture.
- • App Store compliant architecture
- • Multi-tenant data isolation
- • Billing via Shopify's API
Shopify Functions
Serverless extensions that run on Shopify's infrastructure — custom discounts, payment rules, and fulfillment logic.
- • Discount functions (BOGO, tiered, dynamic)
- • Payment customization rules
- • Delivery and fulfillment logic
Theme App Extensions
App blocks that merchants can add to their themes through the theme editor — no code changes required.
- • Custom app blocks for Online Store 2.0
- • Product page widgets and badges
- • Dynamic storefront content
Checkout Extensions
Custom checkout UI with Shopify Checkout Extensibility — upsells, custom fields, loyalty integrations.
- • Post-purchase upsell flows
- • Custom checkout fields
- • Order validation rules
Our Tech Stack
Development Process
Discovery
Understand your requirements, map out features, and define the technical architecture.
Design & Prototype
Polaris-based UI design, API schema planning, and interactive prototyping.
Development
Iterative sprints with regular demos. Code reviews, testing, and documentation.
Testing & QA
Automated tests, manual QA, performance testing, and Shopify review compliance checks.
Deployment
Production deployment, monitoring setup, and app store submission if applicable.
Support
30-day warranty, ongoing maintenance, and feature additions via retainer plans.
Frequently Asked Questions
What types of Shopify apps do you build?
We build private/custom apps, public apps listed on the Shopify App Store, Shopify Functions (discount, payment, fulfillment), and theme app extensions. We work with both embedded and standalone app architectures.
What tech stack do you use for Shopify apps?
TypeScript, React, Node.js, Polaris (Shopify's UI library), Prisma, PostgreSQL, and GraphQL. We use Shopify CLI for development and deploy to Cloudflare Workers or Vercel.
How long does it take to build a custom app?
Simple apps (single feature, basic UI) take 2-4 weeks. Mid-complexity apps (multiple features, third-party integrations) take 4-8 weeks. Complex apps (payment flows, multi-tenant, public app) take 8-12 weeks.
Do you handle app submission to the Shopify App Store?
Yes. For public apps, we handle the full submission process including meeting Shopify's review requirements, writing app listings, and iterating on feedback from the review team.
Have an app idea?
Book a free call and we'll help you scope, plan, and build your custom Shopify app.
Book a Call