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I will build mobile app development app developer flutter react native ai app creation
Kelvin R
Level 2
About this gig
Looking for a professional Android and iOS app that is beautifully designed, high-performing, and built to scale? You're in the right place.
We're a team of experienced mobile developers with 6+ years of experience building custom cross-platform applications for startups, growing businesses, and established brands.
From your initial idea to a polished product, we combine modern UI/UX design, reliable development, and scalable architecture to create mobile experiences that are built for growth.
What We Offer
- Flutter & React Native App Development
- Android & iOS App Development
- API Integration & Firebase (Auth, DB, Notifications)
- In-App Purchase (Stripe, Apple Pay & GPay)
- Multi-language & Localization Support
- Custom UI/UX Design
- Admin Panel & Dashboard Development
We build apps for a wide range of industries, including:
E-commerce, food delivery, fitness, social & chat, travel, education, real estate, booking, healthcare, finance, and more.
Why Choose Us?
- Expertise in Flutter, Dart, React Native, Swift, Python & Node.js
- Clean, scalable, and secure code architecture
- Clear communication & on-time delivery
Send us a message today to discuss your app idea and requirements
Get to know Kelvin R
Kelvin R
Your Success is My Success!
Level 2
- FromUnited States
- Member sinceJun 2021
- Avg. response time1 hour
- Last delivery1 week
Languages
English, Spanish, German, French
Hi, I’m Kelvin—a USA-based full-stack web developer and Shopify expert specializing in Shopify, custom websites, and high-converting dropshipping stores. I cover everything from product research and professional store design to conversion optimization and SEO.
I also develop custom cross-platform mobile apps for startups, growing businesses, and global brands. I combine thoughtful design and reliable, scalable architecture to build mobile experiences users love.
Let’s turn your idea into a beautiful, fast, secure dropshipping store and flagship mobile app—ready to grow with your business.
My Portfolio
FAQ
Can you develop the app using React Native or Flutter?
Yes. We specialize in React Native and Flutter development, two powerful cross-platform frameworks that let us build high-performance apps for both iOS and Android from a single codebase. This means faster development, reduced development costs, and easier maintenance.
What information do you need to start my mobile app development project?
To get started, simply share your app idea, required features, target platform (Android, iOS, or both), design preferences, reference apps, and any backend or API requirements. From there, I’ll handle the complete development process, from UI/UX design and development.
Will you design the UI/UX for my app as well?
Absolutely. Every project includes custom UI/UX design tailored to your app and target audience. I create clean, modern, and intuitive interfaces for Android and iOS, with a focus on smooth navigation, usability, and a consistent user experience across devices.
How long does mobile app development take?
The timeline depends on your app’s features, complexity, design, integrations, and platform requirements. Most projects take approximately 2–8 weeks to complete. After reviewing your requirements, I’ll provide a clear project timeline and delivery plan before development begins.
Will you upload my app to the App Store and Play Store?
Yes, I offer deployment support. I help publish your Android mobile app on Google Play and your iOS mobile app on the Apple App Store, including screenshots, app icons, and store optimization.
Do you provide post-launch support and updates?
Yes. We provide ongoing post-launch support, including maintenance, bug fixes, feature updates, performance optimization, security updates, and scaling support. We help keep your Android, iOS, or cross-platform mobile app secure, up to date, and running smoothly as your business grows.
