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Cross Platform App Development

Cross-Platform App Development Company

You need an app on both iOS and Android. Building them separately doubles everything: two codebases, two teams, two QA cycles, and twice the maintenance bill. Cross-platform development services solve that. One codebase. Both platforms. Users on each side get an experience built for their device. At Owebest Technologies, we build using Flutter and React Native, production-ready frameworks backed by Google and Meta, and used by companies serving hundreds of millions of users.

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The Business Case: Why Cross-Platform Wins for Most Projects

The cross-platform app development services market is projected to hit $47.61 billion by 2035. Businesses are not chasing a trend. They are following the math.

Native apps for both platforms cost 2–3x more. Cross-platform cuts development time by 30–40%. Business logic written once. Bugs fixed once. Features shipped to both platforms on the same day.

Performance used to be the argument for native. It no longer holds. Flutter renders at 60–120fps and compiles to machine code. React Native's updated architecture eliminates the lag its earlier versions were known for. For fintech dashboards, healthcare portals, logistics tools, and enterprise apps, real users cannot tell the difference.

Native still wins for graphics-intensive games and deep hardware integrations. For everything else, cross-platform is not a compromise. It is the right call.

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Services

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PoC and MVP Development

Most failed app projects share one thing: they built too much before testing with real users. We build cross-platform MVPs designed to validate fast. Eight to twelve weeks from the first discovery session to a live app on both stores. Focused scope, the features that test your core hypothesis, nothing else. The codebase becomes your production foundation when you scale. No throwaway work.

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Consulting & Architecture

Wrong architecture on day one costs a full rebuild to fix. We have seen it happen to companies that came to us after spending six months with another agency. Every engagement starts with a structured discovery phase. We document your business goals, user types, technical requirements, integration needs, and what scalability looks like for your product at 10x the current load. We select the right framework, Flutter or React Native, is a project-specific decision based on your team's skills, your backend infrastructure, and your long-term roadmap. We define the architecture in writing before development starts.

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UI/UX Design

Cross-platform development service does not mean one generic interface dropped on two operating systems. iOS users expect interfaces built around Apple's Human Interface Guidelines. Android users read Material Design cues without thinking about them. We design separately for each platform's interaction patterns while keeping your brand consistent. One design system. Two platform-native experiences. Both audiences get something that feels built for their device.

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App Development

We build in two-week sprints. You get a working, testable build at the end of each sprint, not a status update about what is being built. This matters because it means you see real progress, catch direction issues early, and can reprioritise based on what you are seeing, not what you are being told. Our engineers write documented, maintainable code. When we hand over the source code at project end, your internal team or a future agency can pick it up without needing us to explain how it works.

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API and Third-Party Integration

Your app connects to payment gateways, CRMs, ERP systems, authentication providers, logistics APIs, and cloud infrastructure. Every integration point is a potential failure point. We handle the full integration layer, Stripe, Razorpay, PayPal, Firebase, AWS, Google Maps, Salesforce, HubSpot, Twilio, and custom backend APIs. We test every integration under edge cases: API timeouts, failed authentication, partial data returns, and rate limiting. We build fail-safes so a third-party outage does not take your core product down with it.

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QA and Device Testing

Emulators do not catch what real devices catch. Android fragmentation is a genuine problem — thousands of device configurations across manufacturers, screen sizes, and OS versions from 10 through 15. We test on physical devices. Functional testing, UI consistency checks, performance benchmarking on mid-range hardware (not just flagship devices), regression testing across OS versions, and security testing before any production release. Nothing ships that has not been tested on the hardware your users actually carry.

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App Store Submission

App Store rejections cost days you cannot afford at the end of a project. We manage the full submission process for both Apple and Google, metadata, screenshots, privacy policy compliance, age ratings, in-app purchase declarations, and any back-and-forth with review teams.

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Post-Launch Support

Structured post-launch support, OS compatibility updates, bug fixes, performance tracking, security patches, and features added. Monthly retainer or pay-per-request, depending on what stage your product is in.

How We Build, Six Stages, Clear Deliverables

1

Discovery

Structured sessions to properly document requirements, user types, seamless integrations, and technical constraints. The output includes the project scope and architecture recommendation.

2

Design

Wireframes are reviewed before the actual work begins. We work on Platform-specific design for iOS and Android. You approve the design system before development starts.

3

Development

Two-week sprints. Working builds at each cycle end. You can also test as we build, not after six months of closed-door development.

4

QA

Physical device testing across supported OS versions. Full regression suite before final delivery. No known critical bugs leave our QA stage.

5

Submission

App Store and Google Play submission is properly managed end-to-end. We handle both stores with the first submission.

6

Handover and Support

Full source code with documentation. Internal team onboarding. Transition to your chosen support structure. You own the product from this point forward.

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What Industries We Serve

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Fintech and Financial Services

Payment apps, digital wallets, investment dashboards, loan origination tools, and KYC workflows. Security is architecture here, not a feature we add at the end; OAuth 2.0, biometric authentication, end-to-end encryption, and audit logging are built in from the first design decision.

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Fintech and Financial Services

Payment apps, digital wallets, investment dashboards, loan origination tools, and KYC workflows. Security is architecture here, not a feature we add at the end; OAuth 2.0, biometric authentication, end-to-end encryption, and audit logging are built in from the first design decision.

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Healthcare and Telemedicine

Patient portals, appointment platforms, telemedicine apps, clinical dashboards. Data privacy shapes every architecture decision. We build with HIPAA awareness and design for compliance before a line of code is written.

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Logistics and Supply Chain

Fleet tracking, delivery management, driver-facing tools, and warehouse interfaces. These apps run in low-connectivity environments. We build for offline resilience, background location accuracy, and reliable push notifications under poor signal.

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E-Commerce and Retail

Shopping apps, multi-vendor marketplaces, product catalogue management, push campaigns, and payment integration. We have built for D2C brands and marketplace platforms; the requirements are different, and we treat them accordingly.

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Real Estate

Property listings, virtual tours, mortgage calculators, agent CRMs, and lead management. Real estate buyers move slowly. Agents need reliability. We build for both timelines.

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Education and EdTech

LMS platforms, student portals, live class integrations, assessment tools, and corporate training apps. We build for scale. What works for 500 users needs to hold at 500,000.

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Enterprise Internal Tools

Field service apps, employee self-service platforms, approval workflows, operational dashboards. Cross-platform mobile application development services are often the default choice here, corporate iOS devices and personal Android phones are both in the building, and maintaining two separate native codebases for an internal tool is a cost no enterprise procurement team approves twice.

Three Projects. Real Outcomes.

Fintech MVP — 16 Weeks to Both Stores

A funded startup needed a payment platform that could handle real transactions and survive investor scrutiny. Two native development agencies had quoted 9–12 months. We built and shipped a cross-platform MVP, from discovery to App Store and Play Store submission in 16 weeks. First compliance review: passed. The client closed their next funding round three months after launch.

Healthcare App — 10,000 Active Users in Six Months

A healthcare provider needed a telemedicine platform built around the realities of their patients, many of whom use older Android devices with limited data plans. We built a Flutter app with video calling, appointment scheduling, patient record integration, and push reminders. Launched in 12 weeks. Ten thousand active users within six months of going live. Still running on the same core codebase, with quarterly updates.

E-Commerce — 35% Faster Than Their Native Plan

An online retailer had scoped two separate native apps, a 14-month internal estimate. We proposed a React Native build with a shared cart, real-time inventory sync, personalised notifications, and Stripe integration. Delivered in 9 months. The 35% time saving meant the app launched before peak trading season, not after it.

Why Owebest Technologies

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8+ Years of Experience

Building software products for businesses across India, the US, UAE, and Australia.

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50+ Apps Shipped

Successfully deployed as a trusted cross platform app services provider across high-demand sectors.

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CMMI Level 3 Certified

Independently audited development processes. Not a homepage badge—a verified execution standard.

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Certified Engineers

Certified Flutter and React Native engineers with production experience on published, live apps.

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Full Code Ownership

Guaranteed in writing. When you pay, the code is yours with zero conditions or licensing limits.

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Signed NDA First

Before any conversation about your product details, architecture, or business logic begins.

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Real-time Project Access

Full access to project boards, sprint reports, and build environments throughout development.

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24/7 Availability

If something breaks in production out of hours, we know before your users file support tickets.

Technology Stack

Flutter
React Native
Dot Net
.NET Core
java
Java
Python
Python
Laravel
Laravel
Php
Php
Node Js
Node Js
Google Cloud
Google Cloud
Microsoft Azure
Microsoft Azure
Firebase
Firebase
AWS
AWS
MS SQL Server
SQL Server
My SQL
My SQL
Postgre SQL
Postgre SQL
Maria DB
Maria DB
Mongo DB
Mongo DB
OAuth
OAuth 2.0
jwt
JWT
biometric
Biometric
paypal
paypal
razorpay
razorpay
2checkout
2checkout
payu
payu
stripe
stripe
Docker
Docker
CI/CD pipelines
CI/CD pipelines
CodePush
CodePush

Engagement Models

FAQ's

An MVP for a focused use case: $8,000–$20,000. A full production app with backend, integrations, admin panel, and multi-role access: $30,000–$100,000+. The primary cost drivers are feature complexity and the number of third-party integrations. We provide scoped estimates — not ranges pulled from a template.

A lean MVP: 8–12 weeks. A medium-complexity production app: 4–6 months. A complex enterprise platform with multiple integrations: 6–12 months. Timeline depends on the scope and how quickly decisions get made on your side.

Flutter for custom UI, animation, and multi-platform reach (mobile, tablet, web, and desktop in a single codebase). React Native when your team has JavaScript experience, or you are integrating with existing web infrastructure. We make this recommendation after reviewing your project, not as a default answer.

Hybrid apps (Ionic, Cordova) run web code inside a native container. They are cheaper to build and noticeably slower to use. Cross-platform frameworks compile to native code or use native UI components. The user experience difference is significant, and most businesses that have been through both know it.

Yes, fully and unconditionally. Complete source code on final payment. No lock-in. No ongoing dependency on Owebest.

Yes. OS compatibility updates, bug fixes, security patches, performance monitoring, and feature additions. Monthly retainer or pay-per-request.

Yes. We do code audits on inherited codebases, identify technical debt, and take over ongoing development. We commit to scope and cost only after a detailed architecture review.

Get a Scoped Estimate

Tell us what you are building. We will respond within one business day with a clear plan, an honest timeline, and a cost estimate based on your actual requirements.

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What Clients Say

“After we aligned on scope, they performed remarkably. I will work with them again.”

Amhinson

Real effort to understand what we needed. Good solutions. Will hire again.”

Cdgallaher

“I'm very happy with the solution they built. Communication was clear the whole way through.”

Nathan G.

“We have worked together for a long time. Consistently excellent.”

Daniel K.
India Office
Head Office (INDIA)

39, Vidyut Abhiyanta Colony, Pradhan Marg, Malviya Nagar, Jaipur
Rajasthan- INDIA

info@owebest.com
+91 9116599981,
@owebest
USA Office
Brand Partner Office (USA)

7901 4th St N suite 300St. Petersburg, FL 33702, USA

chris.nelson@owebest.com
+1 (315) 210-8382
Dubai Office
Dubai Office

2310 Clover Bay, Burj Khalifa
District, Dubai

abdel@owebest.com
+971568574478
Australia Office
Australia Office

22-40 Sir John Young Crescent WOOLLOOMOOLOO NSW 2011 AUS

allen@owebest.com
+61408116413

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ISO-certified, CMMI Level 3 company delivering reliable, scalable, and high-performance digital solutions across the globe.

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