
Closed
Posted
Paid on delivery
I’ve already built and released a fully working React JSX mobile app called “Traffic Stop Rights Guide.” It shows drivers exactly what their civil rights are during police traffic stops and, when granted permission, taps into location services to surface state-specific information. Now I need the same product packaged as true native apps—Swift/SwiftUI (or Objective-C) for iOS and Kotlin/Java for Android—submitted all the way through to live listings on the Apple App Store and Google Play Store. The visual design, screens, and overall flow must remain pixel-consistent with the current React build; no UI changes are required beyond what each store’s guidelines mandate. Both platforms should behave identically, and no extra iOS-only or Android-only features are planned. Please handle the full conversion pipeline: code migration, native builds, TestFlight/internal testing, store-compliance adjustments, and final submission under my developer accounts. I’ll provide the existing Git repo, design assets, and any copy you need. If you have published native apps before and can point to successful approvals, that will help me move quickly. Acceptance criteria • Native iOS and Android source code delivered in separate repos or folders • Apps approved and publicly listed in both stores using my provided titles, descriptions, and screenshots • Functionality verified: all information screens render correctly; GPS-based location look-ups work as in the React version • Complete hand-off of certificates, provisioning profiles, and step-by-step release notes for future updates Mention your estimated timeline for conversion, test rounds, and store approval so I can lock in a launch date.
Project ID: 40487415
68 proposals
Remote project
Active 2 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
68 freelancers are bidding on average $1,105 USD for this job

Hi — Elias here from Miami. I understand you're looking to convert your existing React JSX mobile app, "Traffic Stop Rights Gui," into a native application. The goal is to enhance performance and user experience while maintaining the current functionality. The real technical challenge here lies in ensuring a smooth transition to native platforms, particularly regarding state management and workflow complexity. A common issue in this process is adapting the existing logic to fit the native paradigms of both iOS and Android, which can lead to unexpected behaviors if not handled properly. My approach would involve a careful assessment of your current app architecture. I would plan to modularize components for better maintainability and future updates. This enhances stability and allows for easier scaling as user needs evolve. I have worked on similar conversions before, ensuring that features are intact while optimizing for each platform's strengths. A few questions to better understand the scope: Q1 – What user roles and permissions do you envision for the native app? Q2 – Are there specific integrations with external services that need to be considered? Q3 – What are your expectations regarding scaling and performance? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$1,000 USD in 6 days
8.1
8.1

Hello, your "Convert React App to Native" project is right in my wheelhouse. I develop modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with mobile app development, iphone, android, phonegap, swift, kotlin, ios development, android app development, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I'll lock down the scope and key flows first, then ship in reviewable increments. Can we hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "Excellent work by the developer! They built my Video Trimmer website exactly as I wanted. The website is fast, user-friendly, and works smoothly. Communication was clear throughout the project, and…" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$1,200 USD in 20 days
7.8
7.8

Hello, I hope you are doing well. I understand that you are looking to build a NATIVE ANDROID AND IOS MOBILE APPLICATION, and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$750 USD in 15 days
7.0
7.0

Hello! I am a US-based senior software engineer with over 15 years of experience in mobile app development and a strong background in React. I carefully read your project description about converting your React JSX app, "Traffic Stop Rights Gui," to a native mobile application. I understand the importance of creating a seamless user experience, and I'm excited about the opportunity to help bring your vision to life! To ensure I can deliver the best results, could you please clarify the following questions to help me better understand the project? 1. What specific features from the React app are essential to retain in the native version? 2. Are there any particular design guidelines or platforms (iOS, Android) you want me to focus on? 3. Do you have a timeline in mind for the completion of this project? I have extensive experience with mobile app development, including cross-platform solutions using React Native. My past projects include apps for a boutique retail store and a local restaurant, both focused on enhancing user engagement and performance. My approach involves clear communication, structured milestones, and ensuring that the app is not only functional but also scalable for future growth. Let's connect and discuss how we can make your app a success! Looking forward to your response. James Zappi
$1,200 USD in 5 days
5.1
5.1

Hello, converting your Traffic Stop Rights Guide from React JSX to true native Swift/SwiftUI and Kotlin — same screens, same flow, just native builds that pass App Store and Google Play review. I'd migrate the UI screen by screen keeping pixel consistency with your current build, wire up the GPS location lookup natively on both platforms, handle TestFlight and internal testing rounds, then manage the full submission through your developer accounts. Certificates, provisioning profiles and release notes handed over clean at the end so future updates are straightforward for you. Looking forward to working with you. Mateo
$1,200 USD in 5 days
5.2
5.2

Hello! As per your project post, you’re looking to convert your existing React JSX mobile application, “Traffic Stop Rights Guide,” into fully native iOS and Android applications while preserving the current design, functionality, and user experience. The goal is to deliver production ready native apps that match the existing React version as closely as possible and successfully publish them on both the Apple App Store and Google Play Store. My focus will be on delivering a complete native app migration featuring: full analysis of the existing React codebase, native iOS development using Swift/SwiftUI, native Android development using Kotlin, recreation of all existing screens and workflows with pixel accurate UI consistency, location services integration for state specific content delivery, secure permission handling, performance optimization, testing across multiple devices. I specialize in native iOS and Android development, Swift, SwiftUI, Kotlin, Java, mobile architecture, API integrations, location based services, app optimization, and App Store deployment workflows. My focus will be on creating maintainable, high performance native applications. Let’s connect to review the current React application, source code structure, location based functionality, publishing accounts, and migration roadmap so we can define the most efficient approach for the native conversion. Best regards, Nikita Gupta.
$800 USD in 28 days
5.3
5.3

You’ve already done the hard part by validating the product and shipping a working React app, so my focus would be on preserving behavior while making the transition to fully native iOS and Android builds as smooth as possible. I’d start by reviewing the existing React codebase to identify the rights-content flow, location permission handling, and state-specific lookup logic, then map those features into SwiftUI and Kotlin with matching screen layouts and interactions. From there, I’d build out both native apps in parallel, verify feature parity against the current release, and run testing across different devices, permission states, and GPS edge cases to ensure location-based content behaves consistently. One thing I’d pay close attention to is keeping content updates simple for future releases, so minor text changes don’t require unnecessary rework. For planning purposes, I’d estimate 2–3 weeks for conversion and testing, followed by store review time, which typically adds a few days depending on Apple and Google. Are the state-specific rights currently embedded in the app, or retrieved from an API? Also, is the existing React app using any third-party location or analytics services?
$1,125 USD in 7 days
4.8
4.8

As someone who truly values clean code and optimized user experience, I offer an expertise that's not only relevant but crucial for a project of this nature. Having developed several high-performance React.JS apps, your project aligns perfectly with my skills. I understand the complexity involved in converting a react app to true native and have successfully carried out such migrations before. On top of my technical capabilities, I also bring along an understanding of store guidelines and compliance adjustments necessary for successful store submission. I assure you that your final products will have identical behavior on both platforms while remaining pixel-consistent with the existing design. Given my background in backend development and Cloud/DevOps proficiency, I'm confident in my ability to handle the entire conversion pipeline—from code migration to final submission. I've always embraced scalability and maintainability in my work, which would greatly benefit your future app updates. Though an estimated timeline would be determined based on specific case details, you can trust me to move rapidly without compromising quality. With me onboard, you'll receive not just native iOS and Android source codes but also complete hand-off of all necessary certificates and precise step-by-step release notes for stress-free future updates. Looking forward to working with you!
$1,000 USD in 7 days
4.1
4.1

I am perfectly positioned to assist in converting your React app, “Traffic Stop Rights Guide,” into fully functional native applications for both iOS and Android. With a proven track record of successful app submissions, I bring extensive experience in Swift/SwiftUI and Kotlin development. I understand the importance of maintaining pixel-perfect design consistency and ensuring seamless functionality across both platforms. By managing the entire conversion pipeline—from code migration to final submission—I will ensure your app meets all store guidelines and is launched without a hitch. Let’s bring your vision to life!
$1,125 USD in 7 days
3.1
3.1

✋ Hi - I'm Larry from Atlanta. I have handled mobile app build and release workflows where the goal was not redesigning the product, but preserving an existing app experience across native builds. The key was matching UI details carefully, testing device behavior, preparing TestFlight/internal testing, and resolving store review requirements before public release. The expected challenge would be pixel consistency across native platforms. SwiftUI and Kotlin components behave differently from React views, so small spacing, typography, and navigation differences can appear. I will resolve this by creating a shared screen checklist, matching assets and layout values closely, testing on multiple device sizes, and only changing UI where App Store or Play Store guidelines require it. Let's build native Traffic Stop Rights Guide apps together. I am open to chatting at any time and can start immediately. Thank you, Larry
$1,125 USD in 7 days
0.0
0.0

Dallas, United States
Payment method verified
Member since Jun 3, 2026
₹750-1250 INR / hour
₹5000-9000 INR
$30-250 AUD
₹12500-37500 INR
₹12500-37500 INR
$10-30 CAD
₹1500-12500 INR
$250-750 USD
₹600-1500 INR
₹100-400 INR / hour
₹12500-37500 INR
$10-30 USD
₹1500-12500 INR
min $50 USD / hour
₹100-400 INR / hour
€250-750 EUR
$5000-10000 USD
₹12500-37500 INR
$25-50 USD / hour
$250-750 USD