Web & PWA Extension
The same UI and logic extended into a responsive web or installable PWA build.
One Codebase, Every Screen
Built once, shipped to every platform your users are on
Hybrid & Cross-Platform Development
Get A Free App Consultation
One App. Every Platform. Android, iOS, Web & Desktop
In short: hybrid and cross-platform development means writing one shared codebase with React Native or Flutter and shipping it across Android, iOS, Web, Windows and macOS — instead of building and maintaining a separate app for every platform.
Shunyastra builds cross-platform apps with React Native and Flutter — scoped to exactly the platforms your users are on, whether that's just Android and iOS, or mobile plus web, or the full spread including desktop.
React Native & Flutter
Android + iOS From One Codebase
Web & PWA Extension
Windows & macOS Desktop Builds
Shared Backend & API Layer
Consistent UI Across Platforms
Faster Delivery, Lower Cost
Post-Launch Support
150+
Cross-Platform Apps ShippedUp To 70%
Shared Code Across Platforms45+
Industries Served
Platform Combinations We Build
Most Projects Fall IntoOne Of Three Combinations
You don't need to know the framework name to start — just tell us which screens your users need. Here's how that maps to a build.
01
Android + iOS
Android
iOS
The most common starting point — one mobile app for both stores, sharing nearly all UI and logic while feeling native on each platform.
React Native or Flutter
02
Android + iOS + Web
Android
iOS
Web
Mobile apps plus a browser-based version — customers can sign up from a laptop and pick up the same account on their phone, without a second product team.
Flutter
03
Android + iOS + Web + Windows / macOS
Android
iOS
Web
Windows
macOS
The full spread — one product experience across every screen your team and customers use, including a proper desktop app, not just a browser tab pinned to the taskbar.
Flutter
What's Included
Every Layer Of Cross-Platform Development,Handled Under One Roof
From the first wireframe to the day every target platform is live, here's what's included when you work with Shunyastra on a cross-platform build.
Foundation
React Native & Flutter App Development
A single codebase built with the framework that fits your target platforms, structured so future platforms can be added without a rewrite.
Learn MoreWindows & macOS Desktop Builds
Flutter-powered desktop apps compiled from the same shared codebase.
Cross-Platform UI/UX Design
One design system adapted intelligently to touch, mouse and keyboard.
Shared Backend & API Development
One backend serving every client platform through a common API layer.
Multi-Store & Web Deployment
App Store, Play Store, web hosting and desktop packaging, coordinated.
Maintenance & Support
Framework upgrades, bug fixes and monitoring across every platform.
Our Development Process
How We Take One CodebaseTo Every Target Platform
A structured, six-stage process keeps scope, timelines and quality predictable — even as the number of target platforms grows.
01
Discovery & Platform Mapping
We map exactly which platforms your users are on today and which ones you'll likely need next, then recommend React Native or Flutter accordingly.
02
UI/UX Design Across Screens
One design system is built and adapted for touch, mouse and keyboard, reviewed with you before development starts.
03
Shared Architecture Setup
We design the shared codebase structure, state management and API layer so adding a platform later doesn't mean starting over.
04
Development In Sprints
Core features are built once and validated across every target platform in the same sprint, not platform by platform later.
05
Cross-Platform QA
The app is tested across real Android and iOS devices, browsers, and Windows/macOS machines before it's approved for release.
06
Coordinated Launch & Support
We handle store submission, web deployment and desktop packaging together, then follow up with an optional maintenance plan.
Framework Comparison
React Native Or Flutter —Here's How We Decide
Both are proven, production-grade frameworks. The right one depends on your target platforms, existing team and how far you want the same codebase to stretch.
Framework
Platform Reach
Best Suited For
React Native
Android + iOS
Teams with existing JavaScript/React expertise building mobile-first products
Flutter
Android + iOS + Web + Windows + macOS
Products that need or may later need web and desktop from the same codebase
Ionic / Hybrid Web-View
Android + iOS + Web
Simple, content-led apps where build speed matters more than deep native feel
Native (Kotlin + Swift)
Android or iOS individually
Graphics-heavy or hardware-dependent apps where full native access is essential
Why It Matters
One Codebase Means One Bug List,Not Three
Ship a fix once and it's live on every platform, instead of patching the same issue three or four separate times.
A shared codebase means new features reach Android, iOS, web and desktop users at the same time, your team maintains one set of business logic instead of several, and your budget stretches across every platform your customers actually use. Built properly, it also stays easy to extend — adding web or desktop later doesn't mean starting the app over.
Up To 70% Shared Code
Faster Time To Market
Lower Development Cost
Consistent Experience Everywhere
Easy To Add Platforms Later
Who We Build For
Cross-Platform Needs LookDifferent Across Industries
The right platform combination and framework depend on how your customers and internal teams actually work. Here's what we typically prioritize by industry.
01 / E-COMMERCE & RETAIL
E-commerce & Retail
Mobile App Plus Web Storefront, One Backend
Shopping apps for Android and iOS extended to a web storefront, sharing catalog, cart and checkout logic across every channel.
02 / ON-DEMAND & DELIVERY
On-Demand & Delivery
Customer, Rider And Dispatcher On One Codebase
Customer and rider mobile apps plus a web dispatcher dashboard, all sharing the same real-time order and location logic.
03 / HEALTHCARE
Healthcare
Patient App And Clinician Desktop, Shared Records
Patient-facing mobile apps paired with a clinician-facing desktop or web console, both reading from the same secure records layer.
04 / FINTECH
FinTech
Mobile-First, Web-Backed Financial Apps
Biometric-secured mobile apps backed by a web dashboard for account management, with compliance-ready flows shared across both.
05 / EDUCATION
Education & E-Learning
Learn Anywhere — Phone, Laptop Or Desktop App
Course content, quizzes and progress tracking that follow the student across a mobile app, a browser and a downloadable desktop app.
06 / ENTERPRISE & SAAS
Enterprise & SaaS
Internal Tools That Work On Every Device Your Team Owns
Internal SaaS tools shipped as a web app, a mobile companion app and a desktop client, so field staff and office staff share one system.
Technology We Use
Modern, Well-Supported Tools —Chosen For The Project, Not By Default
We pick the framework and stack based on which platforms your app needs today, and which ones it's likely to need next.
Cross-Platform Frameworks
React Native
Flutter / Dart
Ionic / Capacitor
TypeScript
Web & Desktop Extension
Flutter Web
Flutter Desktop (Win/macOS)
Next.js (Web)
Progressive Web Apps
Backend & Data
Node.js
Firebase
PostgreSQL / MySQL
REST / GraphQL APIs
Cloud, Testing & Deployment
AWS
Google Cloud
Firebase Test Lab
GitHub Actions CI/CD
Why Choose Shunyastra
A Development PartnerThat Builds For Every Screen, Not Just One
A cross-platform app is only as good as how well it holds together as you add platforms. Here's what that looks like when you work with us.
Talk To Our TeamClean, Modular Codebase
Code structured so a new platform is an addition, not a rewrite — no one has to reverse-engineer decisions no one wrote down.
The Right Framework For The Job
We recommend React Native, Flutter or a hybrid approach based on your target platforms, not our preference or margin.
Security Built In From The Start
Secure authentication, encrypted data and safe API calls are part of the shared codebase, not bolted on per platform.
Support Across Every Platform
Maintenance plans covering framework upgrades, bug fixes and monitoring, so every platform stays in sync as OSes evolve.
FAQ
Questions People AskBefore Starting A Cross-Platform Project
What is hybrid or cross-platform app development?
Hybrid and cross-platform app development means writing one shared codebase and shipping it across multiple targets — Android, iOS, Web, Windows and macOS — instead of building a separate native app for each platform. Frameworks like React Native and Flutter compile that single codebase into apps that look and feel native on every platform they run on.
Should I choose React Native or Flutter?
React Native is a strong fit if you're targeting Android and iOS and already have a JavaScript or web team, since it shares patterns with React. Flutter is a stronger fit if you also want to extend the same codebase to Web, Windows or macOS later, since it renders its own pixel-consistent UI across every platform from one Dart codebase. We recommend the right framework after reviewing your target platforms and business requirements.
Can one app really cover mobile, web and desktop together?
Yes. Using modern frameworks like Flutter, a single codebase can be deployed to Android, iOS, Web, Windows and macOS while sharing most of the UI and business logic. Platform-specific features can also be added wherever required.
How much cheaper is cross-platform than building separate native apps?
Because the majority of the code is shared, cross-platform development usually costs significantly less than building separate native applications. Development, testing, future updates, and maintenance are also faster, making it a cost-effective solution for most businesses.
Does a cross-platform app perform as well as a native app?
For most business applications—including eCommerce, CRM systems, booking platforms, dashboards, healthcare, education, logistics, and enterprise software—modern frameworks like Flutter and React Native deliver performance that is very close to native apps. Only highly graphics-intensive applications, such as advanced 3D games, generally benefit more from fully native development.
Can you integrate APIs, payment gateways and third-party services?
Yes. We integrate secure payment gateways, REST APIs, CRMs, ERPs, cloud storage, authentication systems, maps, push notifications, analytics tools, social logins, and many other third-party services to extend your application's functionality.
Can you migrate an existing Android or iOS app to a cross-platform framework?
Absolutely. We can modernize your existing Android or iOS application by migrating it to Flutter or React Native while preserving core functionality, improving maintainability, and reducing future development costs.
Do you provide maintenance and future feature updates?
Yes. Our services include application maintenance, security updates, bug fixes, performance optimization, operating system compatibility updates, feature enhancements, and long-term technical support after deployment.
Is cross-platform development suitable for startups and enterprise businesses?
Yes. Cross-platform development is ideal for startups, SMEs, and enterprises looking to launch applications faster, reduce development costs, and provide a consistent user experience across Android, iOS, desktop, and web platforms using a single codebase.