Cross-Platform App Development Company
One App. All Platforms. Maximum Reach.
eWebster helps startups, SMEs, and enterprises build powerful, scalable cross-platform mobile apps using top frameworks like Flutter, React Native, and Xamarin — giving you native performance on iOS, Android, and even Web from a single codebase.
With a user-first approach, rapid development cycles, and post-launch support, we reduce cost and time-to-market without sacrificing quality, performance, or design.
Looking to build one app that works everywhere?
Our Cross-Platform App Development Services
At eWebster, we don’t just build apps — we create seamless Apple experiences that meet the highest performance, security, and design standards. Our iOS app development services cover everything from ideation and prototyping to App Store launch and post-launch support. We combine modern iOS technologies, intuitive UX design, and scalable architecture to build apps that your users love — and that your business can rely on.
Custom Cross-Platform App Development
We build fully customized cross-platform applications that are fast, feature-rich, and business-ready from day one.
Native UI/UX across Android & iOS
Core features: camera, GPS, biometrics, notifications
Modular, scalable architecture
API-first backend integration (REST, GraphQL, Firebase)
Offline mode and cloud sync
UI/UX Design for Cross-Platform Consistency
Our designers craft platform-agnostic UI with native look and feel across devices — mobile, tablet, desktop.
Material + Cupertino design systems
Custom component libraries
Dark/light mode, multilingual support
Accessible, responsive interfaces
Smooth animations and transitions
Progressive Web Apps (PWA)
We build installable, offline-ready web apps that behave like mobile apps — a perfect solution for businesses targeting mobile web users.
Instant loading
Push notifications
Add to Home Screen
Works offline
Cross-browser compatibility
Migration to Cross-Platform
Already have separate iOS and Android apps? We unify them with a single, scalable cross-platform codebase.
Native to Flutter or React Native migration
Backend sync, database refactor
Improved performance and design consistency
Reduce dev cost by 40–60%
Support & Maintenance
Keep your cross-platform app running at peak performance post-launch.
SDK & framework updates
Bug fixing and optimization
New feature rollouts
Security patching and analytics
Our Cross-Platform Tech Stack
Frameworks
Flutter
React Native
Ionic
Xamarin
Languages
Dart
JavaScript
TypeScript
C#
APIs
REST
GraphQL
Supabase
AWS Amplify
Databases
SQLite
Firebase Firestore
Realm
MongoDB
DevOps & CI/CD
Bitrise
GitHub Actions
Fastlane
Monitoring
Crashlytics
Firebase Performance
Sentry
Backend
Firebase
Node.js
Django
.NET
Laravel
Serving Clients Locally & Globally
We provide web development services across the USA, with a strong presence in
Industries We Serve
At eWebster, we provide tailor-made cross-platform mobile applications for startups, SMBs, and enterprises across diverse industries. By leveraging Flutter, React Native, and Xamarin, we help businesses cut development costs, speed up go-to-market, and maintain platform consistency — all from a single codebase.
Here’s how we solve real-world challenges across verticals:
Healthcare & Telemedicine
Cross-platform apps for healthcare enable fast, HIPAA-compliant communication between patients and providers — while ensuring data privacy and access to care.
Solutions Delivered:
- Video consultations & symptom checkers
- Appointment booking & EMR integration (HL7/FHIR)
- Prescription tracking & medication reminders
- Patient portals and doctor dashboards
- Telehealth apps with biometric and wearable sync
Compliance: HIPAA, GDPR, FHIR
Stack: Flutter + Firebase + AWS HealthLake
Retail & eCommerce
We build high-performance shopping and loyalty apps that engage users and drive repeat purchases across all platforms — including web PWAs.
Key Features:
- Product discovery with personalized recommendations
- Instant checkout with Stripe, Apple Pay, Razorpay
- Loyalty programs, discounts & gamification
- Push notifications for flash sales and abandoned carts
- Admin panel for order and stock management
Platforms: Android, iOS, Web (PWA)
Integrations: Shopify, WooCommerce, Magento
Health, Fitness & Wellness
We power lifestyle brands with engaging mobile apps that drive user retention through habit tracking, custom content, and social features.
What We Build:
- Guided meditation & workout streaming
- Integration with wearables (Apple Health, Fitbit, Google Fit)
- Nutrition planners & water trackers
- Social feeds, leaderboards, and daily goals
- Freemium content models & subscription billing
Monetization: In-app purchases, memberships
Platforms: Android, iOS, Web (PWA)
Enterprise SaaS & B2B
We help SaaS platforms and enterprise teams launch productivity, operations, and analytics tools accessible across employee devices — BYOD-ready.
Key Features:
- Employee self-service portals
- Task management, CRM & HRMS apps
- Business analytics dashboards
- Barcode scanning, procurement, and inventory
- Role-based access and offline support
Industries Served: Construction, Manufacturing, IT, HR, Legal
Stack: React Native + Supabase + PostgreSQL
Media, Entertainment & Streaming
From video content to podcasts and live events, we create apps that keep users engaged with fast performance and immersive design.
Core Features:
- VOD & live stream playback (HLS, DASH)
- Podcast players with background audio
- Creator subscription and donation systems
- Real-time comments and reactions
- Analytics and moderation dashboards
Platforms: Mobile, Tablet, Smart TV-ready
Stack: Flutter + AWS Elemental + Vimeo/YouTube APIs
Why Choose eWebster for Cross-Platform App Development?
Certified Multi-Platform Experts
We bring 6+ years of experience with Flutter, React Native, and hybrid/PWA solutions — delivering modern, maintainable apps across ecosystems.
Cost-Effective Development
Launch on iOS + Android + Web from one codebase — saving up to 60% on development costs.
Speed & Scalability
We deliver MVPs in as little as 6–8 weeks, with modular codebases built for future updates, integrations, and traffic scale.
Pixel-Perfect Design
We craft user interfaces that feel native — smooth animations, gestures, and optimized screen flows.
Agile, Transparent Process
From sprints to staging demos, we work in full alignment with your team and deadlines — with Jira, Git, Figma, and Slack.
Enterprise-Grade Security
Biometric login, OAuth2, 2FA, encrypted storage, and OWASP-secure coding practices built in.
End-to-End Services
From idea validation and design to deployment and analytics — we’re your long-term product growth partner.
Case Studies – Cross-Platform Success
FAQs
Yes. Frameworks like Flutter and React Native offer near-native performance, especially for most business and consumer use cases.
Starts at $8,000–$15,000 for MVPs. Complex apps with integrations, admin panels, and advanced features range from $25,000–$60,000+
Yes. We offer full audit, rearchitecture, and migration to modern cross-platform stacks like Flutter.
Absolutely. We design responsive layouts that work across screen sizes, resolutions, and devices.
Yes. We offer monthly retainers or pay-as-you-go support for updates, analytics, and optimizations.
Let’s Build Your Cross-Platform App — Faster, Better, Everywhere
Build once. Launch everywhere. Let eWebster create your next-generation mobile experience with speed, style, and scalability.