Custom Shopify Apps That Solve Problems Off-the-Shelf Apps Can't
Public and custom Shopify apps, built with Shopify's APIs and best practices, to automate operations, extend your store and connect it to your business systems.
- Custom store workflows
- ERP, CRM & 3PL sync
- B2B & wholesale tools
- Public App Store apps
When the App Store Doesn't Have What You Need
The Shopify App Store has thousands of apps, but some requirements are unique: special pricing rules, custom order flows, internal tools or integrations with your own systems. A custom app fits those exactly, with no unused features or recurring fees for functionality you don't need.
We design, build and host Shopify apps using official APIs and recommended architecture, handling authentication, webhooks, data sync and admin interfaces, whether the app is for your store alone or for public listing.
Limits Merchants Run Into
Custom apps remove these constraints.
Missing Functionality
No existing app does exactly what your process needs.
Manual Order Handling
Staff copy data between Shopify and other systems.
Stacking App Fees
Many small subscriptions add up fast.
Slow, Bloated Apps
Generic apps add scripts that affect speed.
Disconnected Systems
ERP, warehouse and CRM data don't align.
Data Control
Limited control over how data is stored and used.
A purpose-built app automates the work and keeps your store lean.
Shopify App Development, End to End
From idea and design to deployment and support.
Custom Private Apps
Tailored apps for your store covering rules, workflows and internal tools, built to your exact requirements.
Public App Store Apps
Apps built for listing, including billing, onboarding, review compliance and scalability.
Theme & Checkout Extensions
Blocks and extensions for storefront and checkout.
ERP / CRM / 3PL Sync
Two-way data flow with your systems.
Order & Inventory Automation
Rules, tagging and routing.
Wholesale & B2B Tools
Custom pricing and ordering.
Subscription Features
Recurring orders and billing logic.
Maintenance & Upgrades
API version updates and fixes.
How We Build Your Shopify App
Requirements
Clarify the problem, users, data and success criteria.
Architecture
Plan APIs, permissions, hosting and data flow.
UI Design
Design the admin or storefront experience using Shopify's design system.
Development
Build in iterations with regular demos.
Testing
Test on development stores, edge cases and performance.
Deploy & Support
Launch, monitor and maintain, with App Store submission if needed.
Apps for Stores of All Sizes
D2C Brands
Wholesale & B2B
High-Volume Retailers
Subscription Businesses
Custom Manufacturers
Agencies
App Startups
Multi-Store Merchants
Built to Shopify's Standards
Secure, supportable and upgrade-ready apps.
Secure by Design
Proper authentication and data protection.
Policy-Compliant
Aligned with Shopify's app requirements.
Documented
Clear documentation and handover.
Digital products that drive real impact.
Engineered with verified
ecosystem standards.
We leverage official battle-tested frameworks, enterprise cloud infrastructure, and modern SEO & design engines to build fast, secure, and high-converting digital products.
React 18/19
UI Component ArchitectureNext.js 16
App Router & SSR EngineTypeScript
Strict Type SafetyTailwind CSS
Utility Design TokensHostinger
Cloud Hosting & VPSWordPress
Enterprise CMS Builds
Google Ads
PPC & Paid AcquisitionWooCommerce
WordPress CommerceCloudflare
Edge CDN & DDoS SecurityGA4 / GTM
Conversion AnalyticsWhatsApp API
Conversational AutomationVercel Platform
Edge Cloud & DeploymentSEO
Search Authority & SchemaFigma UI/UX
Design Systems & AssetsReal Reviews from Real Clients.
“We Mathru Multispeciality Hospital Bangalore highly recommending Appadd India for their quality support and service as a digital media company . We found the company is having good manpower and quality technical team for automated SEO and websites and other products.”
MATHRU MULTISPECIALITY HOSPITAL
Healthcare & Multispeciality
“We are very satisfied with the SEO service from so many years with Appadd . They have helped me for gmb set up and promotion”
PS Prints
PS Prints Bangalore
“Appadd India Pvt Ltd in Bangalore is an outstanding digital marketing agency. Their expertise in website development and SEO is commendable. The team's commitment to excellence and client success makes them a reliable partner. Highly recommended!”
A.N Reddy
Bangalore
“Very satisfied with the service & support from Appadd . We have taken SEO and local Google promotion and found Appadd India is the best digital media marketing company in Bangalore strong manpower for the job. Highly recommended .”
Millennium Clinic
Millennium Clinic Bangalore
“Best Digital Marketing Company in Bangalore. Very satisfied with their excellent team service and support. Thank You Appadd. Highly recommended.”
Susil Kumar Behera
Bangalore
“Appadd India transformed our online presence completely. The custom healthcare website and SEO strategies have brought in consistent qualified patient inquiries.”
Dr. Tina Thomas
Dr. Tina's Skin Clinic
“Appadd India transformed our online presence completely. The custom healthcare website and SEO strategies have brought in consistent qualified patient inquiries.”
Dr. Tina Thomas
Dr. Tina's Skin Clinic
“Best Digital Marketing Company in Bangalore. Very satisfied with their excellent team service and support. Thank You Appadd. Highly recommended.”
Susil Kumar Behera
Bangalore
“Very satisfied with the service & support from Appadd . We have taken SEO and local Google promotion and found Appadd India is the best digital media marketing company in Bangalore strong manpower for the job. Highly recommended .”
Millennium Clinic
Millennium Clinic Bangalore
“Appadd India Pvt Ltd in Bangalore is an outstanding digital marketing agency. Their expertise in website development and SEO is commendable. The team's commitment to excellence and client success makes them a reliable partner. Highly recommended!”
A.N Reddy
Bangalore
“We are very satisfied with the SEO service from so many years with Appadd . They have helped me for gmb set up and promotion”
PS Prints
PS Prints Bangalore
“We Mathru Multispeciality Hospital Bangalore highly recommending Appadd India for their quality support and service as a digital media company . We found the company is having good manpower and quality technical team for automated SEO and websites and other products.”
MATHRU MULTISPECIALITY HOSPITAL
Healthcare & Multispeciality
FAQS
Frequently Asked Questions
What's the difference between a custom app and a public app?+
How long does it take to build a Shopify app?+
Where is the app hosted?+
Can you integrate with our ERP or warehouse system?+
Will you handle Shopify API updates?+
Do I own the app's code?+
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