The global average cart abandonment rate is 70.19% (Baymard Institute). Baymard's testing shows the average large ecommerce site can gain a 35.26% conversion increase through checkout redesign alone: without acquiring a single new visitor. We build ecommerce products around that number, not around a feature list.
React Native mobile apps. Next.js headless storefronts. Shopify Storefront API. Conversion-rate-optimized checkout from day one.
Groooh builds ecommerce mobile apps (iOS and Android), headless commerce storefronts, D2C brand websites, subscription commerce platforms, custom retail software, and commerce analytics dashboards. A basic ecommerce app runs $25,000 to $45,000. A growth-stage app runs $45,000 to $90,000. Enterprise apps run $90,000 to $180,000.
Product
What It Includes
iOS and Android shopping apps with catalog, search, cart, checkout, order tracking, loyalty, and push notifications. Mobile accounts for 60% of global ecommerce sales.
Ideal For
Online retailers and D2C brands that need native app performance their web traffic can't match
Product
What It Includes
Next.js storefronts connected to Shopify via the Storefront API or custom backends. 80% of headless adopters report revenue increases, with average sales growth of 24%.
Ideal For
Shopify stores outgrowing a monolithic theme; brands needing performance and SEO control
Product
What It Includes
Inventory management, POS integration, loyalty infrastructure, supplier portals, and multi-location operations dashboards: built for how your operations actually work.
Ideal For
Multi-location retailers with POS and supplier complexity that Shopify plugins can't solve
Product
What It Includes
Conversion-optimized brand websites built to rank and sell: PDPs engineered around UGC, reviews, trust signals, and stock urgency mechanics that CRO data says moves conversion rates.
Ideal For
D2C brands that need their website to do active selling work, not just display products
Product
What It Includes
Recurring billing, box customization, skip/pause/cancel flows with retention mechanics, and subscriber management dashboards. Subscription products live and die by their cancel flow.
Ideal For
Subscription box brands, D2C subscription products, and commerce-adjacent SaaS
Product
What It Includes
Real-time sales, inventory, customer LTV, channel performance, and cohort analysis: for operations teams making daily decisions from data.
Ideal For
Multi-channel retailers and DTC brands with complex data across platforms
Mobile now accounts for roughly 60% of global ecommerce sales, up from 43% in 2018, in a market projected at $2.4 trillion in 2026 (Statista). A brand without a genuinely good mobile experience isn't competing for a minority of traffic anymore: it's losing the majority. But the single biggest lever in ecommerce remains checkout. The 70.19% average abandonment rate means the majority of shoppers who add to cart don't buy. Baymard's research attributes this to specific, fixable design problems: 39% abandon due to unexpected costs revealed at checkout, 24% because account creation is required before purchase, 18% because checkout is too long, and 17% over trust concerns about payment information. None of those are demand problems. Every one of them is a design problem.
Checkout optimization is not a final-sprint task. Every friction point: unexpected fees, forced account creation, ambiguous error messages: is a documented reason real shoppers abandon. We design around each one from the beginning.
UGC photos placed above studio shots. Reviews with verified purchase badges. Stock urgency that's real, not manufactured. Size guides that reduce return rates. Every element follows CRO data because every element affects your margin.
60% of ecommerce happens on a phone. Navigation structure, tap target sizes, swipe gestures, and the location of the primary CTA are all designed for one-handed, thumb-first use: not adapted from a desktop layout.
We analyze your customer journey, catalog architecture, and checkout drop-off triggers against industry benchmarks before proposing technical changes.
Design of high-speed PDPs, 1-click checkout options (Apple Pay/Google Pay/Shop Pay), and thumb-friendly mobile layouts engineered to maximize conversion.
High-performance Next.js headless storefront or React Native mobile app with Shopify Storefront API, Algolia/Typesense search, and instant caching.
Sub-second load time tuning (Core Web Vitals 95+ score), analytics and heatmapping setup, production cutover, and post-launch conversion monitoring.
Legacy ecommerce agencies bill $80k - $150k for slow custom themes. We engineer lightning-fast headless and native mobile shopping experiences in 3 to 7 weeks at ~20% below standard market rates:
High-Performance Headless Shopify Storefront (Next.js, 3 to 5 weeks): $16,000 to $32,000 (sub-second load speeds, custom PDPs, streamlined 1-page checkout)
Native React Native Ecommerce Mobile App (4 to 6 weeks): $22,000 to $44,000 (push notifications, 1-tap checkout, loyalty program, real-time inventory)
Omnichannel Retail & Custom Commerce Platform (6 to 9 weeks): $45,000 to $85,000 (ERP/POS sync, multi-warehouse routing, B2B wholesale portal)
Checkout Redesign & CRO Sprint (1 to 2 weeks): $4,500 to $9,000 (targeted redesign to cut cart abandonment and boost mobile conversion)
Most clients recoup their headless storefront investment within 6 to 12 months through measurable conversion gains and lower infrastructure hosting costs.
| Layer | Details |
|---|---|
Mobile | React Native for iOS and Android with Shopify Storefront API integration or custom commerce backend |
Headless web | Next.js with SSR optimized for Core Web Vitals, connected to Shopify, Commerce.js, or custom commerce backends |
Payments | Stripe, Stripe Connect for marketplaces, PayPal, Apple Pay, Google Pay, and Buy Now Pay Later integrations |
AI commerce | LangChain and LangGraph-based product recommendation engines and conversational shopping assistants |
Analytics | GA4, Segment, Mixpanel: real-time sales, inventory, customer LTV, and channel performance dashboards |
Shopify: including headless Shopify via the Storefront API: is right for most D2C brands and gets you to market faster. Custom makes sense when you need deep backend logic, non-standard POS integration, or a data model Shopify's architecture doesn't support.
Our rates are approximately 20% lower than traditional digital agencies. A headless Shopify storefront costs $16,000 to $32,000 (3 to 5 weeks). A native mobile shopping app costs $22,000 to $44,000 (4 to 6 weeks). Complex omnichannel platforms run $45,000 to $85,000. All engagements are backed by fixed deliverables.
A headless Next.js storefront integrated via the Shopify Storefront API runs $16,000 to $32,000. It typically launches in 3 to 5 weeks and delivers 20 to 50% faster load times, resulting in proven conversion rate increases.
Yes. React Native apps connected to your existing Shopify store via the Storefront API: catalog, inventory, and orders stay in sync without a platform migration.
80% of headless adopters report revenue increases, with documented average sales growth of 24% and 20 to 50% faster page load times. Most reach positive ROI within 12 to 18 months.
Global average cart abandonment is 70.19%. Baymard's research shows the average large site can gain a 35.26% conversion increase through checkout redesign alone. The causes: unexpected costs, forced account creation, checkout length: are all design problems.
Yes. Recurring billing, box customization, skip/pause/cancel flows with retention mechanics, and subscriber management dashboards.
Yes. Custom retail software projects include POS integration scoped to your specific hardware and software: we don't offer generic 'POS support' without knowing your system.
Yes. AI product recommendation engines and conversational shopping assistants using LangChain and LangGraph, integrated into storefronts and mobile apps with measurable conversion goals.
Yes. A shared backend means your website and mobile app share catalog data and order management without a second source of truth: inventory stays consistent across channels.
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