Turn browsers into buyers with a fast, beautiful shopping app for Android and iOS — catalog, checkout, payments, push offers and a powerful admin panel.
250+ projects delivered
More than half of online shopping now happens on phones. A dedicated eCommerce mobile app gives your customers faster checkout, personalised offers and push notifications — and gives you higher retention than a mobile website alone.
Gamostar is an eCommerce app development company that builds single-store apps, multi-vendor marketplaces and B2B ordering apps. We integrate your existing Shopify, WooCommerce, Magento or custom store, or build the full platform from scratch, with payments, shipping, inventory and analytics included.
Categories, filters, smart search, wishlists and rich product pages with image zoom.
One-page checkout, saved addresses, coupons and guest checkout to reduce drop-offs.
UPI, cards, wallets, COD and BNPL through Razorpay, Stripe, PayPal and more.
Abandoned-cart reminders, price-drop alerts and recommendations that lift repeat orders.
Live order status, courier integration, returns and refunds.
Manage products, orders, customers, offers and view sales reports.
Own your customer relationship with a branded shopping app.
Multi-vendor apps with vendor onboarding, commissions and payouts.
Bulk ordering, tiered pricing and quotation workflows.
Visual catalogs, size guides and try-on experiences.



| Project type | What is included | Typical timeline |
|---|---|---|
| MVP / first launch | Core features, one platform or cross-platform build, basic admin panel | 8–12 weeks |
| Full-featured app | Complete feature set, Android + iOS, advanced admin, integrations, analytics | 4–6 months |
| Enterprise / marketplace | Multi-role platform, custom workflows, high-scale backend and compliance | 6 months and more |
Timelines depend on scope, integrations and how quickly feedback is shared. We confirm exact effort and cost after a short discovery call.
A senior team that has delivered 250+ games, apps and platforms for startups and enterprises worldwide.
Weekly demos, a shared task board and clear milestones — you always know what is happening.
NDA before we start, encrypted data, secure APIs and best-practice authentication.
Full source code, design files and documentation are handed over to you.
Bug fixing, OS-update compatibility, monitoring and feature upgrades under flexible plans.
We work with clients across India, the USA, the UK, Europe and the Middle East.
We study your idea, audience and competitors, then define scope, features and a realistic roadmap.
Clickable prototypes and a polished, conversion-focused interface that you approve before development.
Short sprints with weekly demos, clean code, secure APIs, payments and third-party integrations.
Real-device testing, performance, load and security checks before every release.
Store or server launch, monitoring and ongoing maintenance after go-live.
A defined scope, timeline and price. Best for MVPs and well-documented requirements.
Developers, designers and QA working only on your product, on a monthly basis.
Flexible hourly engagement for evolving scope, audits and ongoing improvements.
Cost depends on features, platforms and integrations. A focused single-store app costs far less than a multi-vendor marketplace. We share a free estimate within 24 hours.
Yes. We integrate through APIs so products, orders and customers stay in sync with your existing store.
Yes, with vendor apps, commissions, payouts, disputes and an admin panel.
Razorpay, Stripe, PayPal, PayU, Paytm, UPI and cash on delivery, among others.
Yes. We build for both platforms, using Flutter or React Native for a shared codebase, or native code when needed.
Share your idea and get a clear plan, timeline and estimate within 24 hours. No obligation.
NDA signed on request · Full source code ownership · Weekly progress demos