I will build your crossplatform mobile app with flutter react native for andriod or IOS

T
the0felix
T
the0felix
Theo Felix
build your crossplatform mobile app with flutter react native for andriod or IOS
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build your crossplatform mobile app with flutter react native for andriod or IOS

About this gig

Building two separate apps for iOS and Android doubles your cost and your timeline there's a faster way.


I'm a mobile app developer specializing in cross-platform app development for both Android and iOS, using Flutter or React Native depending on what best fits your project. As an experienced app developer, I build from a single codebase, which means faster delivery, lower cost and consistent performance without sacrificing a polished, native feel.


Whether you need an Android app, an iOS app, or both built by one app developer who understands the full development process, I handle it end-to-end UI/UX design, backend and API connections, secure authentication and getting your app ready for the App Store and Google Play.


SERVICES INCLUDED:

Cross-platform app development for Android and iOS from a single codebase

Android app and iOS app builds handled by one experienced app developer

UI/UX design tailored to your brand and users

Backend setup databases, APIs, and third-party integration

Secure login and user account systems

Push notifications and real-time data updates

In-app payments (Stripe, Paystack or similar)

Store submission guidance for both Android app and iOS app


DM

  • App type

    • Native

  • Programming language

    • C
    • Dart
    • JavaScript
    • Kotlin
    • Objective-C
    • PHP
    • Python
    • Ruby
    • TypeScript
    • React Native

  • Frameworks

    • Flutter
    • PhoneGap
    • NativeScript
    • Laravel
    • SwiftUI
    • Node.js
    • React Native

  • Purpose

    • Chat
    • Dating
    • Delivery
    • Streaming
    • Music
    • Restaurant
    • Shopping
    • Taxi
    • Booking
    • Finance

  • Tools

    • Xamarin
    • Bubble
    • Expo
    • Adalo
    • AppGyver
    • Passion.io
    • BuildFire

  • Expertise

    • Cross browser/Device compatibility
    • Localization
    • Performance
    • Security
    • Design
    • Data storage

Get to know Theo Felix

Theo Felix

Full stack Developer and Automation Specialist

  • FromUnited Kingdom
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    English, Korean, Spanish
Full-stack developer with 5+ years of experience building web apps, mobile apps & AI automation. I work with React, Next.js, Node.js, PostgreSQL & Flutter/React Native for cross-platform mobile. I also build modern WordPress sites and design n8n workflows + AI agents to automate your business tasks. Clean code, clear communication, deadlines met. Whether it's an MVP, app fix, or automation setup, I treat your project like my own. Message me before ordering so we can scope things properly. Let's build something that works.

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