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Mobile App Development · Featured

Cross-Platform Apps (React Native & Flutter)

Single-codebase iOS and Android apps that deliver near-native performance, dramatically reduce build cost, and accelerate time to market without compromising the user experience.

  • Shared iOS & Android Codebase (React Native or Flutter)
  • Native Performance via JSI Bridge (RN) or Skia Engine (Flutt...
  • Offline-First Architecture with Sync Conflict Resolution
Cross-Platform Apps (React Native & Flutter)
Mobile App Development
2 Platforms
Single Codebase
80%
Code Sharing
4.8★
Avg App Rating
Push + Offline
Native Features

Service Overview

For most product teams, the economics of cross-platform development are compelling: a single engineering team building a shared codebase for iOS and Android, with platform-specific adaptations handled through native modules where necessary. React Native and Flutter have matured to the point where they power applications used by hundreds of millions of users — including Meta's Facebook, Airbnb, and Google Pay. Techglock has delivered more than 40 cross-platform applications for clients ranging from Series A startups to enterprise subsidiaries.

React Native vs Flutter: We have deep expertise in both leading cross-platform frameworks and can advise objectively on the right choice for your product. React Native's JavaScript foundation makes it faster to onboard web developers and integrates more naturally with existing JavaScript ecosystems. Flutter's Dart-compiled rendering engine delivers more consistent pixel-perfect UI across platforms and better GPU-accelerated animation performance for graphics-intensive applications.

Native Where It Matters: Cross-platform doesn't mean lowest-common-denominator. We implement custom native modules when platform-specific capabilities — camera, biometrics, Bluetooth, ARCore/ARKit, payment sheets — require direct access to the platform SDK. The result is an application that feels genuinely native to users on both platforms while sharing the majority of its business logic and UI code.

Cross-Platform Apps (React Native & Flutter) in action
In Production

Delivering enterprise-grade Cross-Platform Apps (React Native & Flutter) across 15+ industries globally.

Key Features & Capabilities

Shared iOS & Android Codebase (React Native or Flutter)

Battle-tested implementation, validated under production load.

Native Performance via JSI Bridge (RN) or Skia Engine (Flutter)

Optimised for sub-second response and high-throughput workloads.

Offline-First Architecture with Sync Conflict Resolution

Security-first design with built-in audit trails and access control.

Push Notifications (FCM & APNs)

Configurable to your operational workflows without code changes.

Biometric Authentication (Face ID, Fingerprint)

Instrumented from day one — every interaction surfaces in dashboards.

Custom Native Module Development

Engineered for scale: queues, caching, and horizontal partitioning.

CI/CD with Fastlane & GitHub Actions

Clean architecture with isolated concerns and explicit contracts.

App Store & Google Play Submission & ASO

Maintainable code: typed, tested, and documented for your team.

Our Delivery Process

01
Discovery & Scoping

Understand your requirements, define deliverables, agree on success metrics and project timeline.

02
Design & Architecture

Prototype the solution architecture, design data flows, and validate approach with your technical team.

03
Agile Development

Two-week development sprints with working deliverables every iteration and continuous stakeholder review.

04
Quality Assurance

Automated testing, manual QA, security review, and performance benchmarking before every release.

05
Deployment & Launch

Production deployment with zero-downtime strategy, monitoring setup, and post-launch support.

06
Ongoing Optimisation

Performance reviews, feature iterations, and SLA-backed support to keep your solution evolving.

Technology Stack

We select tools based on your requirements, not trends. Our engineers are fluent across the full modern stack.

React Native Flutter Dart TypeScript Redux Toolkit Firebase Fastlane Expo

Industries We Serve

This service has been deployed for clients across a wide range of regulated and high-growth industries.

Frequently Asked Questions

The questions clients ask most often before kicking off a cross-platform apps (react native & flutter) engagement.

How long does a cross-platform apps (react native & flutter) engagement take?
Most cross-platform apps (react native & flutter) projects ship within 8–14 weeks. Typical timeline: 1 week for discovery and scoping, 1–2 weeks for solution design, 4–8 weeks of agile delivery sprints, and 1–2 weeks for QA, security review, and go-live. We give you a fixed timeline before any work starts — no surprises three months in.
How much does cross-platform apps (react native & flutter) cost with Techglock?
Pricing depends on scope, but most cross-platform apps (react native & flutter) engagements land between $15,000 and $80,000 depending on complexity, integrations, and team size. We offer both fixed-price and time-and-materials models. Every quote breaks down per-deliverable so you can scale up or scale back before committing.
Do you sign NDAs before discussing the project?
Yes — request a mutual NDA when you book the discovery call and we send it within the hour. We have signed thousands of NDAs across regulated industries (healthcare, finance, defence) and never had a confidentiality dispute.
What does your cross-platform apps (react native & flutter) team look like?
Every engagement gets a dedicated squad: a senior tech lead, 2–4 engineers, a project manager, and (where relevant) a designer or DevOps engineer. No offshore handoffs, no junior-only teams, no rotating staff. The people you meet on day one are the people who ship the project.
What happens after the Cross-Platform Apps (React Native & Flutter) project launches?
Every engagement includes 30 days of free hypercare (bug fixes, performance tuning, user-feedback iteration). Beyond that, we offer monthly retainers from $1,500/month covering monitoring, security patches, dependency updates, and a fixed pool of iteration hours. Roughly 80% of clients move onto a retainer after launch.
Who owns the code and IP we build together?
You do — completely. Once final invoice is settled, all source code, designs, infrastructure-as-code, and CI/CD pipelines transfer to your accounts. No vendor lock-in, no licensing fees on code we wrote, no hidden escrow.

Region-Specific Pages

Cross-Platform Apps (React Native & Flutter) — by region

Each regional page reflects local pricing, compliance frameworks, and timezone overlap. Pick the one that matches where you are.

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Let's Build Cross-Platform Apps (React Native & Flutter) Together

Join 100+ companies that trust Techglock to deliver enterprise-grade technology on time and on budget.

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