Custom Apps That Extend Shopify's Core Commerce Engine
Building a Shopify app is not the same as building a Shopify store—it requires multi-tenant SaaS architecture, OAuth authentication flows, Shopify's evolving API versioning, and compliance with mandatory GDPR webhooks before your app even reaches review. We build custom Shopify apps that solve problems no existing app in the marketplace can. From private ERP connectors syncing 50,000 orders/day to public marketplace apps generating $40K+ MRR, our team delivers production-grade Shopify extensions using the Remix app framework, Polaris design system, and App Bridge—architected for scale from day one.
Call (424) 272-5601Comprehensive shopify app development services tailored to your needs
Data-driven metrics from our client portfolio showing typical returns on shopify app development investments
Average revenue increase within 12 months of shopify app development implementation
Decrease in customer acquisition cost through optimized digital presence
Typical time to recoup your shopify app development investment through increased conversions
Post-project client satisfaction rate leading to ongoing partnerships
Cumulative return on investment from shopify app development at the 18-month mark
Reduction in manual workflows through automation and process optimization
Methodology: ROI metrics are aggregated from 150+ client projects across industries. Individual results vary based on market conditions, implementation scope, and competitive landscape. All figures represent median performance within our portfolio — top-quartile clients consistently exceed these benchmarks.
Every phase is designed to reduce risk, maximize quality, and deliver measurable outcomes
We begin every engagement with a structured Discovery Sprint that aligns stakeholders, validates assumptions, and produces a concrete project roadmap. This phase eliminates 80% of mid-project scope changes.
Our design process is data-informed and user-tested. We never ship designs without validation. Every screen goes through wireframe → high-fidelity → prototype → user test cycles.
We run 2-week sprints with clear acceptance criteria, daily standups, and demo sessions. You see working software every two weeks and can course-correct before it becomes expensive.
Our QA process goes beyond bug hunting. We verify performance benchmarks, security compliance, accessibility standards, and cross-browser compatibility before any launch.
Launch is not the finish line — it is the starting point for optimization. We monitor, analyze, and iterate for 90 days post-launch to ensure your investment delivers maximum ROI.
Cutting-edge tools and frameworks for exceptional results
Enterprise-grade engineering practices that ensure your shopify app development project scales reliably
Decomposed services with independent scaling, deployment, and technology stacks for enterprise-grade resilience.
Global content delivery with edge functions for sub-100ms response times across 200+ points of presence.
Kubernetes-orchestrated containers with horizontal pod autoscaling based on CPU, memory, and custom metrics.
Read replicas, connection pooling, query optimization, and intelligent caching layers for 10x throughput.
Every request authenticated and authorized regardless of network location with JWT tokens and mutual TLS.
Data encrypted at rest and in transit with key rotation, HSM backing, and envelope encryption patterns.
Web Application Firewall with OWASP Top 10 rules, rate limiting, and bot detection for 99.99% attack mitigation.
Comprehensive audit trails with real-time security event monitoring, anomaly detection, and automated incident response.
Automated build, test, and deployment workflows with GitHub Actions, branch protection, and staged rollouts.
Terraform and Pulumi for reproducible, version-controlled infrastructure provisioning across environments.
OpenTelemetry instrumentation with distributed tracing, structured logging, and real-time alerting dashboards.
LaunchDarkly or custom feature flag systems for safe progressive rollouts and A/B testing in production.
Fixed pricing with no hidden fees. Every package includes 90-day post-launch support.
Timeline: 4-6 weeks
Timeline: 8-14 weeks
Timeline: 14-24 weeks
Deep domain knowledge across regulated and high-growth industries with compliance expertise built in
We build HIPAA-compliant digital solutions for health systems, biotech startups, and telehealth platforms. Our team understands patient data regulations, EHR integrations, and the unique UX challenges of medical professionals.
15+ healthcare projects delivered
From trading platforms to payment processors, we develop secure financial applications with bank-grade encryption, real-time data processing, and regulatory compliance baked into every layer.
$2B+ in transactions processed
High-converting storefronts, inventory management systems, and omni-channel experiences that drive revenue. Our e-commerce builds average 35% higher conversion rates than industry benchmarks.
40% average conversion increase
We help SaaS companies ship faster with scalable architectures, CI/CD pipelines, and growth engineering. From MVP to Series C, we have been the technical partner for dozens of successful startups.
25+ SaaS products launched
Interactive learning platforms, LMS integrations, and student engagement tools designed for K-12, higher education, and corporate training environments with accessibility-first design.
500K+ students served
Property management portals, MLS integrations, virtual tour platforms, and investor dashboards that modernize real estate operations and buyer experiences.
$500M+ in properties listed
Six core differentiators that make us the right partner for your shopify app development project
No outsourcing, no freelancers. Every project is built by our core team of senior engineers, designers, and strategists who have worked together for 5+ years.
No hidden fees, no scope creep surprises. We provide detailed SOWs with fixed pricing and milestone-based payments so you always know what you are paying for.
Every project includes 90 days of post-launch support with bug fixes, performance monitoring, and optimization. We do not disappear after delivery.
Dedicated project manager, weekly standups, Slack channel access, and 24-hour response SLA. You are never left wondering about project status.
Every build targets 90+ Lighthouse scores, Core Web Vitals compliance, and sub-3s load times. Performance is not an afterthought — it is a core deliverable.
Semantic HTML, structured data, meta optimization, and technical SEO are integrated from sprint one. Our builds rank faster because SEO is architectural, not cosmetic.
Every shopify app development project includes a comprehensive set of assets, documentation, and ongoing support
Real results from real partnerships — hear from businesses we have helped grow
"Frenchy Digital transformed our outdated website into a high-converting machine. Revenue from organic search increased 240% in the first six months."
Sarah Chen
CMO, TechScale Inc.
+240% organic revenue
"Their technical depth is unmatched. They built our SaaS platform in 14 weeks and it scaled to 50,000 users without a single architecture change."
Marcus Rodriguez
CTO, DataFlow Analytics
50K users, zero architecture changes
"What sets them apart is the ongoing support. Six months post-launch, they are still optimizing, still suggesting improvements, still invested in our success."
Amelia Park
Founder, LuxeCommerce
35% conversion rate increase
The advantages of working with Frenchy Digital
Common questions about our shopify app services
Based in Hollywood, Los Angeles with clients across North America, Europe, and the Middle East
Located in the heart of Hollywood, Frenchy Digital serves businesses across Los Angeles and beyond with premium shopify app development services. Our team combines creative expertise with technical excellence to deliver exceptional results for clients ranging from pre-seed startups to Fortune 500 enterprises.
1517 S Bentley Ave Unit 204
Los Angeles, CA 90025
Let's discuss your shopify app development project and create something amazing together. Free consultation with a senior engineer — no sales pitch.