My Development Process
A proven workflow that transforms your vision into a
Discovery & Planning
Initial consultation to understand your vision, target audience, and project requirements. We define scope, timeline, and technical architecture.
Design & Prototyping
Creating stunning UI/UX designs tailored to your brand. Working with professional UI/UX designer partners to deliver pixel-perfect interfaces. Interactive prototypes for validation before development begins.
Launch & Support
App Store submission, deployment, and post-launch monitoring. Ongoing support and updates to ensure long-term success.
Development & Testing
Building your app with clean, scalable code. Rigorous testing ensures quality, performance, and security at every stage.
Average Project Timeline: 2-3 Weeks
From initial meeting to App Store launch. Complex projects may require additional time based on scope.
Full-Stack Engineering Expertise
iOS Native, Android Native, React Native Cross-Platform, and Web Development
Complete end-to-end solutions from mobile to backend
iOS Native Development
Android Native Development
React Native & Cross-Platform
Web & Backend Development
Full-Stack Mobile Development Services
— from new app development to enhancing existing apps
Auto-scrolling showcase — 16 comprehensive services
iOS Native Development
Build powerful native iOS apps from scratch with Swift, SwiftUI, and UIKit. Premium performance and native features.
Android Native Development
Create stunning Android apps with Kotlin and Jetpack Compose. Material Design and Google services.
React Native Cross-Platform
Build once, deploy everywhere. Cost-effective solution for iOS and Android with shared codebase.
Feature Development
Add new features to your existing mobile apps. Payment systems, social login, maps, and more.
App Modernization
Update legacy code, refactor architecture, optimize performance, and fix bugs in existing apps.
Backend & APIs
Scalable backend infrastructure with Firebase, Supabase, or custom Node.js REST APIs.
AI & Machine Learning
Integrate ChatGPT, image recognition, CoreML models, and intelligent features into your app.
UI/UX Implementation
Pixel-perfect design implementation. Working with professional designers for stunning interfaces.
Testing & QA
Comprehensive testing strategy: unit tests, integration tests, UI tests, and quality assurance.
App Store Optimization
Maximize your app visibility and downloads with ASO strategies for App Store and Play Store.
Push Notifications
Engage users with targeted push notifications. Firebase, OneSignal, and custom notification systems.
Payment Integration
Integrate secure payment systems: Stripe, PayPal, in-app purchases, and subscription models.
Multi-language Support
Internationalize your app. Support multiple languages and regions for global reach.
Consulting & Code Review
Expert technical consulting, architecture planning, code review, and team mentoring.
CI/CD & DevOps
Automated build, test, and deployment pipelines. GitHub Actions, Fastlane, and continuous delivery.
Maintenance & Support
Long-term app maintenance, updates, bug fixes, and technical support for your mobile app.
Why Work With Me?
Proven expertise, reliable delivery, and a track record of building successful apps
100% Success Rate
Every project delivered on time with 5-star client satisfaction across global freelance platforms
Fast Turnaround
Average response time under 24 hours. Efficient development cycles without compromising quality
Proven Results
+15 published apps and millions of active users on App Store and Play Store
End-to-End Expertise
From concept to deployment: UI/UX, development, backend integration, App Store submission
Modern Tech Stack
Swift, SwiftUI, React Native, Firebase, AI integration - latest technologies and best practices
Clear Communication
Regular updates, transparent process, and collaborative approach throughout the project
Client Success Stories
Real feedback from and who trusted me with their projects
"Hired Mert to build our iOS fitness app from scratch. He delivered an amazing product in just 3 weeks! The code quality is exceptional, and he implemented all features exactly as we envisioned. Highly recommended for any iOS project."
"Spor salonumuz için baştan sona aktif kullandığımız bir uygulama geliştirdi. Üye yönetimi, antrenman takibi, randevu sistemi ve ödeme entegrasyonu kusursuz çalışıyor. Hem üyelerimiz hem de personelimiz çok memnun!"
"Amazing diet tracking app! The AI food scanner works perfectly and the interface is super intuitive. Best nutrition app I've used."
"Needed a React Native app for both iOS and Android. Mert was professional, responsive, and delivered ahead of schedule. The app has been running smoothly for 6 months now with zero issues. Will definitely hire again!"
"Mağazamız için iOS ve Android uygulaması geliştirdik. Ödeme entegrasyonu, sipariş takibi ve bildirimler kusursuz çalışıyor. Satışlarımız %35 arttı, kesinlikle tavsiye ederim!"
"The virtual try-on feature is game-changing! Love how it helps me organize my wardrobe and get outfit suggestions based on weather."
"We hired Mert to modernize our legacy Android app. He refactored the entire codebase to Kotlin and Jetpack Compose, improved performance by 60%, and fixed all existing bugs. Outstanding work ethic and technical skills."
"Beautiful app with amazing AI-powered fortune telling features. The design is gorgeous and the predictions are surprisingly accurate!"
"Mert integrated our backend APIs and added push notifications to our existing app. He understood our requirements quickly and implemented everything perfectly. Great communication throughout the project!"
"Kripto para takip uygulaması için bize özel çözümler sundu. Güvenlik standartları çok yüksek, performans mükemmel. Teknik bilgisi ve iletişimi harika, ekibimize çok değer kattı."
"Built our food ordering app with payment integration and real-time order tracking. The app is super fast and customers love the user interface. Worth every penny!"
"Needed multi-language support for our learning app. Mert implemented localization for 8 languages and RTL support flawlessly. He even helped us optimize the app for different regions. True professional!"
"Canlı ders uygulaması için video streaming ve sohbet özelliklerini entegre etti. Zoom gibi büyük platformlarla entegrasyon sorunsuz çalışıyor. Öğrencilerimizden çok olumlu geri dönüşler aldık!"
"Mert built our secure banking app with biometric authentication and encrypted data storage. His attention to security details was impressive. The app passed all security audits on first try!"
"Created a beautiful e-commerce app with AR try-on feature. Our sales increased by 40% after launch. Mert is a true expert in mobile development!"
"Hired Mert to develop our music streaming app with offline playback and social features. He integrated Spotify API perfectly and added custom audio processing. Outstanding quality!"
"Mert developed our property listing app with 3D tours and mortgage calculator. The AR furniture placement feature is incredible! Our clients love it."
"Built a comprehensive fleet management app with real-time GPS tracking and route optimization. Performance is excellent even with 1000+ active vehicles!"
"Meditasyon ve mindfulness uygulaması için harika bir deneyim yarattı. Ses entegrasyonu, zamanlayıcılar ve kullanıcı takibi mükemmel çalışıyor. Kullanıcılarımız uygulamayı çok seviyor, teşekkürler!"
"Hired Mert to build our iOS fitness app from scratch. He delivered an amazing product in just 3 weeks! The code quality is exceptional, and he implemented all features exactly as we envisioned. Highly recommended for any iOS project."
"Spor salonumuz için baştan sona aktif kullandığımız bir uygulama geliştirdi. Üye yönetimi, antrenman takibi, randevu sistemi ve ödeme entegrasyonu kusursuz çalışıyor. Hem üyelerimiz hem de personelimiz çok memnun!"
"Amazing diet tracking app! The AI food scanner works perfectly and the interface is super intuitive. Best nutrition app I've used."
"Needed a React Native app for both iOS and Android. Mert was professional, responsive, and delivered ahead of schedule. The app has been running smoothly for 6 months now with zero issues. Will definitely hire again!"
"Mağazamız için iOS ve Android uygulaması geliştirdik. Ödeme entegrasyonu, sipariş takibi ve bildirimler kusursuz çalışıyor. Satışlarımız %35 arttı, kesinlikle tavsiye ederim!"
"The virtual try-on feature is game-changing! Love how it helps me organize my wardrobe and get outfit suggestions based on weather."
"We hired Mert to modernize our legacy Android app. He refactored the entire codebase to Kotlin and Jetpack Compose, improved performance by 60%, and fixed all existing bugs. Outstanding work ethic and technical skills."
"Beautiful app with amazing AI-powered fortune telling features. The design is gorgeous and the predictions are surprisingly accurate!"
"Mert integrated our backend APIs and added push notifications to our existing app. He understood our requirements quickly and implemented everything perfectly. Great communication throughout the project!"
"Kripto para takip uygulaması için bize özel çözümler sundu. Güvenlik standartları çok yüksek, performans mükemmel. Teknik bilgisi ve iletişimi harika, ekibimize çok değer kattı."
"Built our food ordering app with payment integration and real-time order tracking. The app is super fast and customers love the user interface. Worth every penny!"
"Needed multi-language support for our learning app. Mert implemented localization for 8 languages and RTL support flawlessly. He even helped us optimize the app for different regions. True professional!"
"Canlı ders uygulaması için video streaming ve sohbet özelliklerini entegre etti. Zoom gibi büyük platformlarla entegrasyon sorunsuz çalışıyor. Öğrencilerimizden çok olumlu geri dönüşler aldık!"
"Mert built our secure banking app with biometric authentication and encrypted data storage. His attention to security details was impressive. The app passed all security audits on first try!"
"Created a beautiful e-commerce app with AR try-on feature. Our sales increased by 40% after launch. Mert is a true expert in mobile development!"
"Hired Mert to develop our music streaming app with offline playback and social features. He integrated Spotify API perfectly and added custom audio processing. Outstanding quality!"
"Mert developed our property listing app with 3D tours and mortgage calculator. The AR furniture placement feature is incredible! Our clients love it."
"Built a comprehensive fleet management app with real-time GPS tracking and route optimization. Performance is excellent even with 1000+ active vehicles!"
"Meditasyon ve mindfulness uygulaması için harika bir deneyim yarattı. Ses entegrasyonu, zamanlayıcılar ve kullanıcı takibi mükemmel çalışıyor. Kullanıcılarımız uygulamayı çok seviyor, teşekkürler!"
"Hired Mert to build our iOS fitness app from scratch. He delivered an amazing product in just 3 weeks! The code quality is exceptional, and he implemented all features exactly as we envisioned. Highly recommended for any iOS project."
"Spor salonumuz için baştan sona aktif kullandığımız bir uygulama geliştirdi. Üye yönetimi, antrenman takibi, randevu sistemi ve ödeme entegrasyonu kusursuz çalışıyor. Hem üyelerimiz hem de personelimiz çok memnun!"
"Amazing diet tracking app! The AI food scanner works perfectly and the interface is super intuitive. Best nutrition app I've used."
"Needed a React Native app for both iOS and Android. Mert was professional, responsive, and delivered ahead of schedule. The app has been running smoothly for 6 months now with zero issues. Will definitely hire again!"
"Mağazamız için iOS ve Android uygulaması geliştirdik. Ödeme entegrasyonu, sipariş takibi ve bildirimler kusursuz çalışıyor. Satışlarımız %35 arttı, kesinlikle tavsiye ederim!"
"The virtual try-on feature is game-changing! Love how it helps me organize my wardrobe and get outfit suggestions based on weather."
"We hired Mert to modernize our legacy Android app. He refactored the entire codebase to Kotlin and Jetpack Compose, improved performance by 60%, and fixed all existing bugs. Outstanding work ethic and technical skills."
"Beautiful app with amazing AI-powered fortune telling features. The design is gorgeous and the predictions are surprisingly accurate!"
"Mert integrated our backend APIs and added push notifications to our existing app. He understood our requirements quickly and implemented everything perfectly. Great communication throughout the project!"
"Kripto para takip uygulaması için bize özel çözümler sundu. Güvenlik standartları çok yüksek, performans mükemmel. Teknik bilgisi ve iletişimi harika, ekibimize çok değer kattı."
"Built our food ordering app with payment integration and real-time order tracking. The app is super fast and customers love the user interface. Worth every penny!"
"Needed multi-language support for our learning app. Mert implemented localization for 8 languages and RTL support flawlessly. He even helped us optimize the app for different regions. True professional!"
"Canlı ders uygulaması için video streaming ve sohbet özelliklerini entegre etti. Zoom gibi büyük platformlarla entegrasyon sorunsuz çalışıyor. Öğrencilerimizden çok olumlu geri dönüşler aldık!"
"Mert built our secure banking app with biometric authentication and encrypted data storage. His attention to security details was impressive. The app passed all security audits on first try!"
"Created a beautiful e-commerce app with AR try-on feature. Our sales increased by 40% after launch. Mert is a true expert in mobile development!"
"Hired Mert to develop our music streaming app with offline playback and social features. He integrated Spotify API perfectly and added custom audio processing. Outstanding quality!"
"Mert developed our property listing app with 3D tours and mortgage calculator. The AR furniture placement feature is incredible! Our clients love it."
"Built a comprehensive fleet management app with real-time GPS tracking and route optimization. Performance is excellent even with 1000+ active vehicles!"
"Meditasyon ve mindfulness uygulaması için harika bir deneyim yarattı. Ses entegrasyonu, zamanlayıcılar ve kullanıcı takibi mükemmel çalışıyor. Kullanıcılarımız uygulamayı çok seviyor, teşekkürler!"
"Hired Mert to build our iOS fitness app from scratch. He delivered an amazing product in just 3 weeks! The code quality is exceptional, and he implemented all features exactly as we envisioned. Highly recommended for any iOS project."
"Spor salonumuz için baştan sona aktif kullandığımız bir uygulama geliştirdi. Üye yönetimi, antrenman takibi, randevu sistemi ve ödeme entegrasyonu kusursuz çalışıyor. Hem üyelerimiz hem de personelimiz çok memnun!"
"Amazing diet tracking app! The AI food scanner works perfectly and the interface is super intuitive. Best nutrition app I've used."
"Needed a React Native app for both iOS and Android. Mert was professional, responsive, and delivered ahead of schedule. The app has been running smoothly for 6 months now with zero issues. Will definitely hire again!"
"Mağazamız için iOS ve Android uygulaması geliştirdik. Ödeme entegrasyonu, sipariş takibi ve bildirimler kusursuz çalışıyor. Satışlarımız %35 arttı, kesinlikle tavsiye ederim!"
"The virtual try-on feature is game-changing! Love how it helps me organize my wardrobe and get outfit suggestions based on weather."
"We hired Mert to modernize our legacy Android app. He refactored the entire codebase to Kotlin and Jetpack Compose, improved performance by 60%, and fixed all existing bugs. Outstanding work ethic and technical skills."
"Beautiful app with amazing AI-powered fortune telling features. The design is gorgeous and the predictions are surprisingly accurate!"
"Mert integrated our backend APIs and added push notifications to our existing app. He understood our requirements quickly and implemented everything perfectly. Great communication throughout the project!"
"Kripto para takip uygulaması için bize özel çözümler sundu. Güvenlik standartları çok yüksek, performans mükemmel. Teknik bilgisi ve iletişimi harika, ekibimize çok değer kattı."
"Built our food ordering app with payment integration and real-time order tracking. The app is super fast and customers love the user interface. Worth every penny!"
"Needed multi-language support for our learning app. Mert implemented localization for 8 languages and RTL support flawlessly. He even helped us optimize the app for different regions. True professional!"
"Canlı ders uygulaması için video streaming ve sohbet özelliklerini entegre etti. Zoom gibi büyük platformlarla entegrasyon sorunsuz çalışıyor. Öğrencilerimizden çok olumlu geri dönüşler aldık!"
"Mert built our secure banking app with biometric authentication and encrypted data storage. His attention to security details was impressive. The app passed all security audits on first try!"
"Created a beautiful e-commerce app with AR try-on feature. Our sales increased by 40% after launch. Mert is a true expert in mobile development!"
"Hired Mert to develop our music streaming app with offline playback and social features. He integrated Spotify API perfectly and added custom audio processing. Outstanding quality!"
"Mert developed our property listing app with 3D tours and mortgage calculator. The AR furniture placement feature is incredible! Our clients love it."
"Built a comprehensive fleet management app with real-time GPS tracking and route optimization. Performance is excellent even with 1000+ active vehicles!"
"Meditasyon ve mindfulness uygulaması için harika bir deneyim yarattı. Ses entegrasyonu, zamanlayıcılar ve kullanıcı takibi mükemmel çalışıyor. Kullanıcılarımız uygulamayı çok seviyor, teşekkürler!"
"Hired Mert to build our iOS fitness app from scratch. He delivered an amazing product in just 3 weeks! The code quality is exceptional, and he implemented all features exactly as we envisioned. Highly recommended for any iOS project."
"Spor salonumuz için baştan sona aktif kullandığımız bir uygulama geliştirdi. Üye yönetimi, antrenman takibi, randevu sistemi ve ödeme entegrasyonu kusursuz çalışıyor. Hem üyelerimiz hem de personelimiz çok memnun!"
"Amazing diet tracking app! The AI food scanner works perfectly and the interface is super intuitive. Best nutrition app I've used."
"Needed a React Native app for both iOS and Android. Mert was professional, responsive, and delivered ahead of schedule. The app has been running smoothly for 6 months now with zero issues. Will definitely hire again!"
"Mağazamız için iOS ve Android uygulaması geliştirdik. Ödeme entegrasyonu, sipariş takibi ve bildirimler kusursuz çalışıyor. Satışlarımız %35 arttı, kesinlikle tavsiye ederim!"
"The virtual try-on feature is game-changing! Love how it helps me organize my wardrobe and get outfit suggestions based on weather."
"We hired Mert to modernize our legacy Android app. He refactored the entire codebase to Kotlin and Jetpack Compose, improved performance by 60%, and fixed all existing bugs. Outstanding work ethic and technical skills."
"Beautiful app with amazing AI-powered fortune telling features. The design is gorgeous and the predictions are surprisingly accurate!"
"Mert integrated our backend APIs and added push notifications to our existing app. He understood our requirements quickly and implemented everything perfectly. Great communication throughout the project!"
"Kripto para takip uygulaması için bize özel çözümler sundu. Güvenlik standartları çok yüksek, performans mükemmel. Teknik bilgisi ve iletişimi harika, ekibimize çok değer kattı."
"Built our food ordering app with payment integration and real-time order tracking. The app is super fast and customers love the user interface. Worth every penny!"
"Needed multi-language support for our learning app. Mert implemented localization for 8 languages and RTL support flawlessly. He even helped us optimize the app for different regions. True professional!"
"Canlı ders uygulaması için video streaming ve sohbet özelliklerini entegre etti. Zoom gibi büyük platformlarla entegrasyon sorunsuz çalışıyor. Öğrencilerimizden çok olumlu geri dönüşler aldık!"
"Mert built our secure banking app with biometric authentication and encrypted data storage. His attention to security details was impressive. The app passed all security audits on first try!"
"Created a beautiful e-commerce app with AR try-on feature. Our sales increased by 40% after launch. Mert is a true expert in mobile development!"
"Hired Mert to develop our music streaming app with offline playback and social features. He integrated Spotify API perfectly and added custom audio processing. Outstanding quality!"
"Mert developed our property listing app with 3D tours and mortgage calculator. The AR furniture placement feature is incredible! Our clients love it."
"Built a comprehensive fleet management app with real-time GPS tracking and route optimization. Performance is excellent even with 1000+ active vehicles!"
"Meditasyon ve mindfulness uygulaması için harika bir deneyim yarattı. Ses entegrasyonu, zamanlayıcılar ve kullanıcı takibi mükemmel çalışıyor. Kullanıcılarımız uygulamayı çok seviyor, teşekkürler!"
Let's Work Together
for the next 2 months.
Let's build something amazing together!