and live in production
Custom Shopify App Development That Scales Your Store
Your edge is not the platform. It is the logic no app can copy. Redefine builds private apps, public apps, and integrations for growing Shopify stores. We automate the manual work slowing your team down.
Submit brief → call within 48 hours → scoped proposal in 3 days → Sprint 1 within 1 week of sign-off
Your team's time investment is 2 to 3 hours per week: one discovery call, async brief feedback on scope, and a final sign-off sprint. We handle everything else.
The hidden cost of stacking apps to patch your store
Three apps doing one job. Monthly fees stack up: $29 here, $49 there, $99 for the one that almost works.
Every app update is a potential break. Support tickets go to vendors who do not know your store.
Generic apps stop at the edge of your use case. The work your team cannot automate gets done manually, forever.
Each installed app adds script weight. Page load suffers. Your conversion rate pays the price.
One app built for your exact workflow. Cancel five subscriptions. Most custom builds pay for themselves inside a year.
You own the code. Updates happen on your timeline. Support comes from the team that built it and knows every line.
Logic built around your business rules. Every edge case handled. Automation that grows as your order volume grows.
Lean, purpose-built code. No bloat from a vendor feature set you do not use. Your store stays fast where it matters most.
See what your current workarounds cost you every year
Move the sliders below. The calculator shows the real yearly cost of manual work and stacked apps.
These are conservative estimates. The actual cost of manual error, delayed fulfillment, and missed automation compounds every quarter.
Manual labor plus app subscriptions you could replace with one purpose-built solution
Based on a typical custom app investment range. Exact scoping delivered after your free assessment.
Submit brief → call within 48 hours → scoped proposal in 3 days → Sprint 1 within 1 week of sign-off
Every type of custom Shopify app development, in-house
From private back-office automation to public apps listed on the Shopify App Store, Redefine scopes, builds, and supports them all.
Shopify Private App Development
Built only for your store. It automates the internal work that eats your team's day. Think inventory sync, order routing, ERP connections, custom pricing, and staff portals.
- Not visible or installable by other merchants
- Full Shopify Admin API access for deep automation
- Delivered in 2 to 6 weeks
- You own the code, no monthly app fee
Shopify Public App Development
Turn your proprietary workflow into a product. We build a listed app on the Shopify App Store. You reach more than 2 million merchants and earn recurring revenue.
- OAuth flow and Shopify App Store submission support
- Billing API for subscription or per-use monetization
- Embedded app user interface built with Shopify App Bridge
- Review process guidance from Shopify Partners
Custom Shopify Integrations
Connect Shopify to any system with a REST or GraphQL API. We link ERP, CRM, WMS, PIM, Amazon, marketplaces, payment gateways, and data warehouses. Your data moves in real time, not by hand.
- Real-time data sync with error handling and retry logic
- Webhook-driven event architecture for instant updates
- Full audit trail and monitoring dashboard included
API and Webhook Engineering
We build on the Shopify Admin API, Storefront API, and GraphQL. That reaches functionality no off-the-shelf app can touch. We automate anything the platform exposes.
- Admin API, Storefront API, and GraphQL expertise
- Secure webhook processing with signature verification
- Metafield and Metaobject API for custom data models
- Shopify Functions for custom discounts and checkout logic
Shopify sits at the center of your stack
Click any system to see how a custom app connects it to Shopify. Every integration is built for reliability, speed, and a full audit trail.
How one custom app took an eyewear brand to $6M
Annual revenue achieved after building a custom Shopify order management system and automated multi-channel inventory sync
An online eyewear retailer scaling across Shopify, Amazon, and outside marketplaces. Its SKU catalog was growing fast.
Manual work and fragmented inventory across channels. No real-time sync. Rising operational costs were blocking growth.
A custom order management system, automated inventory sync with restocking alerts, and a unified data flow across Shopify and all marketplace channels. Operational costs dropped. Accuracy improved. Revenue scaled.
Three reasons founders choose Redefine
Most Shopify app agencies hand you code. Redefine hands you a system you can rely on. Click each claim to see how.
You own the code. Full stop.
No vendor lock-in. No recurring license for access to your own logic.
Every line of code Redefine writes transfers to you at delivery. Your Git repository. Your infrastructure. Your team can extend, modify, or hand it to another agency without permission from anyone. Other agencies charge a retainer to maintain apps they technically own.
Scope is fixed before a single line is written.
No surprise invoices when you change your mind. The change process is defined upfront.
Redefine runs a paid discovery sprint before any development starts. You get a detailed technical specification, timeline, and fixed-price quote. If scope changes, the change order process is documented and priced transparently before any new work begins.
The team that builds it supports it.
No handoff to a junior support queue. The original engineers maintain the system.
Every Redefine app delivery includes a 30-day stabilization window and an optional ongoing support retainer. The engineers who scoped and built your app handle issues, optimizations, and Shopify API version updates. You never explain the system from scratch to someone new.
Questions founders ask before they book
If yours is not here, ask it in the free consultation. There is no pitch attached.
Book Free ConsultationA Shopify private app is custom software built exclusively for your store. It connects to Shopify through the Admin API and can automate workflows, sync data with external systems, or add functionality no off-the-shelf app offers. You need one when your operations have moved beyond what available apps can support, or when patching three apps together is costing more than building the right one.
Cost scales with scope. A focused private app handling a single workflow (for example, syncing Shopify orders to your enterprise resource planning system) runs in the $3,000 to $8,000 range. A multi-system integration platform with a custom admin interface, webhook infrastructure, and monitoring can run $15,000 to $40,000 or more. We always scope before we quote so you know the number before any development starts. See app development pricing for indicative ranges.
A focused private app or single integration can ship in 2 to 4 weeks. A public app with Shopify App Bridge, billing API, and App Store submission takes 6 to 10 weeks. Complex multi-system platforms run 8 to 16 weeks. Every project starts with a discovery sprint that produces a written timeline you sign off before development begins.
Yes. ERP and WMS integrations are among the most common projects we deliver. We have built connections to NetSuite, SAP Business One, Microsoft Dynamics, ShipBob, ShipStation, and custom warehouse systems. The integration handles order push, inventory pull, fulfillment updates, and reconciliation on schedules or via webhook triggers. If your system has an API, we can connect it to Shopify.
Shopify releases API updates twice per year and deprecates old versions on a 12-month cycle. Redefine monitors API versioning for every app we maintain and handles upgrades proactively, before deprecation creates a production issue. Clients on our support retainer never need to track API deprecation calendars themselves.
Your store deserves software built for it, not around it
Book a free 30-minute app assessment. We review your current stack. We find the highest-value automation. We scope a solution before any engagement starts.rts.
No commitment. No pitch. Just a focused conversation about your operations.
Submit brief → call within 48 hours → scoped proposal in 3 days → Sprint 1 within 1 week of sign-off
Tell us what you want to build or automate
A focused brief takes 3 minutes. We review it and map the highest-value work. You get a scoped custom Shopify app development proposal within 3 business days.