Top-of-the-line eCommerce apps that elevate your brand with a seamless, engaging shopping experience.

A shopping experience built around your specific catalog and customer behavior, not a generic theme with your logo on it.

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Custom Storefronts

Multi-vendor or multi-restaurant systems handling seller onboarding, commission splits, and payouts alongside the customer-facing storefront.

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Marketplace Platforms

A decoupled front end that can hit any backend commerce API, giving design and performance freedom a traditional monolithic platform doesn't allow.

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Headless Commerce Frontends

Bulk pricing, account-based catalogs, and approval workflows built for how businesses actually purchase from each other.

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B2B Ordering Portals

A checkout flow engineered specifically to reduce abandonment with fewer steps, saved payment methods, and mobile-first design from the first wireframe.

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Checkout and Cart Optimization

Billing, plan changes, and pause/skip logic for businesses selling on a recurring basis rather than a one-time purchase.

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Subscription and Recurring-Order Systems

Real-time stock visibility across warehouses, stores, or vendors, so a product page never promises something that isn't actually there.

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Inventory and Fulfillment Integration

Regardless of which solution above fits your business, most eCommerce apps need the same underlying set of features done well. Here's what that actually covers.

Filtering, sorting, and search that returns relevant results fast, even across a catalog with thousands of SKUs and inconsistent product data.

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Product catalog and search

Persistent across sessions and devices, so a saved item is still there whether someone returns on their phone or their laptop.

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 Cart and wishlist

Guest checkout, saved payment methods, and address autofill, the specific details that determine whether cart abandonment stays high or actually drops.

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Streamlined checkout

Cards, digital wallets, and increasingly buy-now-pay-later options, since payment friction at the last step is one of the most common reasons a cart gets abandoned.

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Multiple payment options

Real-time status updates from confirmation to delivery, so a customer isn't left guessing or filing a support ticket to ask where their order is.

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Order tracking and notifications

Genuine social proof at the point of decision, which measurably affects conversion on considered purchases.

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Ratings and reviews

Product suggestions based on real browsing and purchase history rather than a static "customers also bought" list that never changes.

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Personalized recommendations

Necessary the moment a store sells beyond one country, and painful to add if it wasn't planned for from the start.

Multi-language and multi-currency support

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Cart-abandonment reminders, back-in-stock alerts, and order updates that bring someone back without becoming spam.

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Push and email notifications

A luxury marketplace built for the exact week it mattered most.
Reebonz already had a working web platform for buying and selling luxury goods across Asia-Pacific, but needed native iOS and Android apps in time for Singapore's peak shopping season, a hard deadline with no room to slip.
We designed a microservices architecture and the UX for the full mobile experience, built to handle a sharp, predictable traffic spike rather than steady average load.
Result: delivered in 3 months, live in time for the Singapore shopping season, and handled high user volumes with zero downtime.

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Reebonz

Multi-city food ordering platform at real volume.
HolaChef needed a platform that could support food delivery across multiple Indian cities and a high number of daily orders, while keeping the ordering flow itself simple for a customer just trying to get dinner.
We built the web platform's UX and UI, a scalable frontend architecture for multi-restaurant operations, and the on-site SEO that helped the platform get discovered in each new city it launched in.
Result: The platform expanded to more than 8 cities and handled over 10,000 orders per day.

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HolaChef

The right eCommerce partner should understand more than storefront design. We know how checkout, integrations, inventory, performance, and support work together under real business pressure.

We have 15+ years of experience in building web and mobile products across multiple industries, including verified eCommerce work like Reebonz and HolaChef.

A real track record, not just a pitch. 

The highest-stakes part of any storefront gets proportional attention. We test and tune guest checkout, saved payment methods, and every field in the flow specifically to cut abandonment, not just to make it look clean.

Checkout treated as core engineering, not a design afterthought.

Shopify, headless, or fully custom, we recommend what fits your stage, not what's trendiest to build.

Platform-agnostic recommendations.

Sale events and traffic spikes get tested for before launch, not discovered live.

Built for peak load, not just average load.

Fixed-scope builds, dedicated teams, or staff augmentation, depending on how your organization actually works.

Flexible engagement models.

Strategy, design, build, QA, launch, and long-term support under one roof.

Full-cycle delivery.

<h3>Headless and Composable Commerce</h3>
For brands that have outgrown a standard platform's flexibility or performance ceiling. We recommend it selectively, not by default, since it costs more upfront than most growing brands need to spend early on.
<h3>Microservices Architecture</h3>
For platforms that need to scale different parts of the system independently, for example, search, checkout, and inventory each handling their own load without one bottleneck taking down the rest.
<h3>Progressive Web Apps</h3>
For an app-like experience with offline access, push notifications, home-screen installs. There's no native app-store overhead, which is especially useful where customers won't download a dedicated app for a single retailer.

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<h2>Modern Commerce Architecture We Often Build</h2>

Here is what most conversations about eCommerce features focus on: catalog browsing, cart, checkout, order tracking, reviews, and personalized recommendations, covered in the features above.

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Customer App

This is where your team actually runs the business from. Features include inventory and product management, order fulfillment status, sales and performance reporting, promotions and discount codes, and role-based access.

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Admin Panel

This app&nbsp;matters specifically for marketplace and multi-vendor platforms. It shows a dashboard sellers use to manage their own catalog, orders, and payouts, without seeing another vendor's data.

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Vendor Panel 

<h2>Customer, Admin, Vendor: 3 Apps in One Platform</h2>

<ul>
<li>Map catalog size, growth plans, and customization needs</li>
<li>Decide platform vs. headless vs. custom build, based on your stage</li>
<li>Scope checkout and required integrations</li>
<li>Lock pricing, milestones, and timeline in writing</li>
</ul>

Discovery and platform decision

<ul>
<li>Design mobile-first, scale up to desktop</li>
<li>Architect storefront, inventory, and panel data to stay in sync</li>
<li>Plan infrastructure for peak traffic, not just average load</li>
</ul>

Design and architecture

<ul>
<li>Build in short cycles, demo working software each time</li>
<li>Connect payments, ERP, shipping, and tax as the build progresses</li>
<li>Run QA continuously, with checkout getting the most careful check.</li>
</ul>

Build and integrate

<ul>
<li>Load-test against a realistic peak-traffic scenario first</li>
<li>Launch with monitoring in place from day one</li>
<li>Keep tuning conversion and performance after release, where most of the value gets built</li>
</ul>

Launch and scale

We'll tell you which of these earns its place in your catalog, rather than recommending all of them by default.

Product recommendations, dynamic pricing, and personalized search that adapt to real behavior, not a static merchandising rule.

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Artificial Intelligence

Automated product descriptions and marketing content for large catalogs, but always with a human review pass before anything customer-facing ships.

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Generative AI

Demand forecasting and inventory optimization that flag stockout or overstock risk before it happens.

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Predictive Analytics

Conversational product search and AI-assisted support for routine questions about order status, sizing, returns.

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Natural Language Processing

Virtual try-on and product visualization, strongest in furniture, apparel, and beauty.

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Augmented Reality

Still niche, but worth building for simple, repeat purchases.

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Voice Commerce

Advanced Technologies in eCommerce

Tell us what you're building. In one free call, we'll show you where a platform like yours is most likely losing sales at checkout.

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<h2>The Abandoned Cart Is a Fixable Problem!</h2>

eCommerce App Development Services

Relia Software builds custom storefronts, marketplaces, and headless commerce platforms engineered to convert traffic into checkouts, not just visits.

eCommerce App Development Services

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