When an app store search comes up empty, Symmetry Commerce builds it: custom Shopify apps, Shopify Functions, checkout extensions and hosted microservices that make the platform do exactly what your business model requires. Custom development engagements start at $10,000.What’s included Pre-order and selling-plan engines with card vaulting, mixed carts, declined-card handling and card-update flows Custom promotion logic with Shopify Functions: gift-with-purchase, BOGO, tiered promotions, automated and conditional discounts, and promotion recalculation on returns Product configurators, waitlists, allotment and place-in-line inventory experiences Conditional shipping logic, donation modules, personalization scripts and metafield tooling Workflow automation with Shopify Flow: hidden-SKU call lists, draft-order workflows and email masking Managed hosting for your microservices with a perpetual license — we run the infrastructure, you own the outcome How we workEvery custom feature starts with a written solution design (PRD) and ships through code review, staging UAT and acceptance criteria in a Schedule A. Reusable microservices are hosted and maintained by us under a transparent monthly hosting fee, so custom code never becomes orphaned code.Proven resultsRecent builds include a pre-order engine with vaulted cards and a promotion-recalculation service for an enterprise collectibles distributor, a product configurator for an outdoor-gear brand, custom conditional-discount functionality for an optics manufacturer, and a custom discount app delivered for $5,775.Frequently asked questionsCustom app or app-store app?We always check the app store first — app research and recommendation is part of discovery. Custom only wins when it is cheaper over 3 years or the capability simply doesn't exist.Who owns and maintains the code?You receive a perpetual license; we host and maintain microservices under managed hosting so upgrades and Shopify API changes are handled.What does custom Shopify development cost?Focused features start around $5,000–$10,000; complex engines (pre-orders, portals, promotion systems) are scoped and fixed-bid from the solution design.Ready to talk? Contact Symmetry Commerce for a scoped proposal with a fixed budget, timeline, and itemized deliverables — no vague estimates.
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