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The goal is to craft a clean, intuitive productivity app that runs natively on both iOS and Android. Core screens will include a dashboard, task manager, reminders with push notifications, and cloud-sync so users can pick up where they left off on any device. I will supply wireframes outlining each view and a feature map that defines user flows; your job is to translate these into a polished, maintainable codebase. Feel free to suggest the most efficient stack—Swift + Kotlin, Flutter, or React Native—as long as performance and long-term maintainability stay front-of-mind. Deliverables • Full source code with clear comments • Build instructions and CI/CD setup so I can compile both apps locally • A TestFlight / Google Play internal track build for hands-on review • Brief hand-off document detailing architecture, third-party libraries, and next-step recommendations Acceptance criteria: smooth navigation at 60 fps on mid-range devices, zero critical crashes during a two-day test window, and successful login-sync across two different handsets. If this sounds like a challenge you enjoy, let’s talk timelines and milestones.
Project ID: 40449127
45 proposals
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45 freelancers are bidding on average ₹1,191 INR/hour for this job

Hi there, I can build your productivity application for both iOS and Android where users can manage tasks, reminders, notifications, and cloud-synced workflows smoothly across devices with clean navigation and responsive performance. I will also implement push notifications, cloud synchronization, secure login flow, CI/CD setup, and optimized architecture that remains scalable and maintainable long term while matching the provided wireframes and user flow properly. I would request to connect once so we can review the wireframes, preferred stack, and synchronization workflow properly. Thanks, Rahul A.
₹800 INR in 40 days
7.7
7.7

I can build a clean, high-performance productivity app for iOS and Android with smooth navigation, realtime cloud sync, push notifications, and a scalable architecture designed for long-term maintainability. I recommend Flutter for this project because it provides excellent cross-platform performance, faster development, consistent UI behavior, and easier maintenance from a single codebase while still achieving smooth 60 FPS experiences on mid-range devices. I can handle: • Translating your wireframes into polished UI/UX • Task manager, dashboard, and reminder system development • Push notification and cloud-sync integration • Secure authentication and multi-device sync • CI/CD setup for local builds and deployment workflows • Testing, optimization, and crash debugging • TestFlight and Google Play internal release builds I focus on clean architecture, responsive UI, optimized performance, and maintainable codebases to ensure the app remains scalable for future updates and feature expansion. Looking forward to discussing your wireframes, timeline, and milestone structure in detail.
₹1,000 INR in 40 days
7.1
7.1

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹1,000 INR in 40 days
6.6
6.6

Hi, I can help build your cross-platform productivity app with a clean, scalable, and high-performance architecture for both iOS and Android. I would recommend React Native for efficient cross-platform development with smooth navigation, push notifications, cloud sync integration, and long-term maintainability. I can convert your wireframes into a polished UI while ensuring responsive performance, clean code structure, CI/CD setup, and stable builds for TestFlight and Google Play internal testing. Ready to discuss timelines and milestones.
₹1,000 INR in 40 days
4.9
4.9

Hi, Productivity apps succeed when the experience feels fast, distraction-free, and reliable across devices — especially when users depend on reminders, syncing, and smooth navigation daily. I can help you turn your wireframes and feature map into a polished cross-platform app with: • Dashboard, task management, and reminder flows • Push notification integration • Cloud-sync across devices • Smooth, responsive UI optimized for performance • Clean, maintainable codebase with proper documentation • CI/CD setup and deploy-ready builds for testing I’ve worked on mobile applications where performance, synchronization, and long-term maintainability were important from the start. Based on your requirements, I’d likely recommend Flutter or React Native to keep development efficient while maintaining a consistent experience across iOS and Android. Estimated timeline: around 4–6 weeks depending on final scope and revisions. Strategic opinion: For productivity apps, responsiveness and reliability matter more than feature quantity. Keeping interactions lightweight and sync behavior predictable has a major impact on long-term user retention. If you share the wireframes and feature flow, I can suggest the most practical architecture and development approach before we begin. Regards, Abhishek
₹1,000 INR in 40 days
5.5
5.5

Hi! The focus on seamless sync and native speed—especially that 60 fps bar on mid-range phones—stood out right away. Too many productivity apps lag or lose data when switching devices, so it’s smart you’re keeping both performance and cloud in scope. I recently shipped a cross-platform app for task and notes management using Flutter—one codebase, both iOS and Android, and device sync. This kept the handoff and updates simple for the client. I’d use Flutter again here. Its widgets draw natively so your navigation will feel smooth, and cloud sync is handled well using Firebase or a custom backend. I’ll set up clear code comments, handoff docs, and demo builds for TestFlight and Play internal. One question: would you prefer Firebase Auth for login-sync, or do you have another provider in mind? It changes the integration and your handoff options. Happy to send a 1-page outline showing how I’d structure your project for clarity and easy updates. You’ll also find similar mobile work at work.techindika.com. — Pradeep
₹1,000 INR in 40 days
4.5
4.5

Hello there, The biggest challenge in productivity apps is usually not building dashboards or reminders, but maintaining smooth sync, reliable notifications, and responsive UX across devices without creating state inconsistencies or battery-heavy background behavior. I would build the app using Flutter or React Native with a scalable architecture focused on smooth navigation, cloud-sync reliability, and maintainable cross-platform code. The platform would include task management, reminders, push notifications, secure authentication, synchronized user state, and optimized mobile performance targeting stable 60fps behavior on mid-range devices. One important architecture decision I would make early is separating local/offline state from cloud-sync services. This prevents sync conflicts, duplicate tasks, and inconsistent reminder behavior when users switch between devices or lose connectivity temporarily. The platform can include: * cross-platform iOS/Android app * responsive dashboard/task flows * push notifications * cloud synchronization * authentication workflows * CI/CD setup * TestFlight & Play internal builds * maintainable modular architecture Questions: 1. Do you already have a preferred backend/cloud provider for sync and notifications, or should I recommend the stack? 2. Should reminders support recurring schedules, shared tasks, or collaboration features from Phase 1? Best regards, Bhupesh
₹1,000 INR in 40 days
4.4
4.4

Dear Hiring Manager, I am a Senior Mobile Engineer with 10+ years of experience leading the design, architecture, and delivery of scalable mobile apps and SDKs across retail, logistics, automotive, and enterprise domains. Specialized in AI-driven mobile development and cross-platform architecture, with expertise in: • Android (Kotlin, Java, Jetpack Compose, XML) • iOS (Swift, SwiftUI) • Kotlin Multi Platform / Compose Multi Platform Driving AI-assisted development workflows using Claude Code, GitHub Copilot, Gemini, and Junie AI agents to accelerate delivery, elevate code quality, and significantly improve engineering productivity. Kind regards, Arsen
₹750 INR in 40 days
4.3
4.3

Hi, I can build your cross-platform productivity app with a clean architecture, smooth UI, and reliable cloud sync for both Android and iOS. For this project, I’d recommend Flutter because it provides excellent cross-platform performance, maintainability from a single codebase, fast UI development, and smooth 60fps experiences on mid-range devices. It’s also ideal for long-term feature expansion and consistent UI across platforms. I have strong experience with Flutter, task/reminder systems, push notifications, cloud sync, Firebase/API integration, responsive UI, and production app deployment. I can convert your wireframes and user flows into a polished application with clean, scalable code. Core features I’ll implement: Dashboard and task management Reminder scheduling with push/local notifications Cloud sync across devices Authentication and session handling Smooth navigation and responsive layouts Clean architecture with Riverpod/BLoC/Provider CI/CD setup for Android and iOS builds Deliverables: Full Flutter source code with comments Build and setup instructions TestFlight + Google Play internal testing builds CI/CD configuration Architecture and dependency hand-off documentation I focus heavily on performance optimization, maintainable structure, and stable production-ready releases, and I’d be happy to discuss milestones and timelines based on your wireframes and feature map.
₹750 INR in 40 days
3.6
3.6

Hi, I can develop your cross-platform productivity app with smooth 60fps performance, cloud sync, push notifications, and a scalable architecture using Flutter or React Native with clean, maintainable code and CI/CD pipelines. I’ve built mobile applications with task management, real-time sync, authentication, and notification workflows, delivering App Store/TestFlight and Google Play-ready builds along with complete documentation and long-term scalable architecture.
₹1,000 INR in 40 days
2.2
2.2

Hi — the 60fps acceptance bar pushes me towards React Native with Reanimated 3 (or Swift+Kotlin native if you want the absolute smoothest), since Flutter on mid-range Android can stutter on heavy list-rendering. Cloud-sync I'd handle with Supabase or Firebase — both give per-row sync with offline writes baked in. Quick questions to firm up the estimate: 1. Wireframes already final, or do they need a UX pass? 2. Push notifications: OneSignal/Firebase is fine, right? 3. Any specific CI you'd like (GitHub Actions, Bitrise, EAS)? Happy to share a clean RN architecture diagram before we settle hours. — Rohan, APIE TECH
₹1,100 INR in 30 days
2.2
2.2

I can build your cross-platform productivity app with a clean, scalable architecture and smooth native-like performance on both iOS and Android. I’d recommend Flutter or React Native for fast development while maintaining 60fps performance and long-term maintainability.
₹1,200 INR in 40 days
0.9
0.9

With over a decade of experience under my belt, I have honed my skills in Android, iOS & cross-platform application development using Flutter and React Native. Your project aligns perfectly with my skillset; building robust, clean, and intuitive apps that perform seamlessly across devices is my specialty. I also prioritize maintainability and performance in my work - two key factors you've mentioned are essential for this project. My track record with Zero critical crashes during testing aligns perfectly with your acceptance criteria. My proficiency in version control using GitHub will ensure seamless code management and hassle-free collaboration through clear commenting on the full source code. Moreover, I understand the value of a great handoff after completing a project. I promise to provide you not just a polished product but also detailed documentation that outlines the architecture, third-party libraries used as well as any recommendations for future improvements. With me on board, you can rest assured that your project is in capable hands. Let's discuss your expectations and start turning your ideas into reality together!
₹750 INR in 40 days
0.0
0.0

I’m a mobile app developer specializing in cross-platform engineering with Flutter. Looking at your requirement 60 FPS performance, robust background reminders, and seamless cloud synchronization. Flutter is the ideal match to keep your codebase highly maintainable without sacrificing native performance. I’ve recently implemented complex, offline first background notification systems with smart retry logic and architected data timelines that handle multi-device syncing flawlessly. I don't just build to match wireframes; I build for real-world reliability, zero-crash stability, and smooth user flows. I can handle everything from the core Dart architecture to setting up your CI/CD pipelines and getting the first builds onto TestFlight and Google Play internal tracks.
₹1,000 INR in 40 days
0.0
0.0

Hello, I’m Arun, a full-stack developer with 10+ years of experience building mobile apps, backend APIs, dashboards, authentication systems, cloud sync features, and production-ready business applications. I have checked your requirement for a clean cross-platform productivity app with dashboard, task manager, reminders, push notifications, cloud sync, and smooth performance on both iOS and Android. I can build this using Flutter, which is a strong fit for your requirement because it provides one maintainable codebase for both Android and iOS, good native performance, smooth UI, and faster delivery compared to maintaining separate Swift and Kotlin apps. For the MVP, I can handle: Dashboard screen Task creation/edit/delete Task status and priority Reminder setup Push notification integration User login and cloud sync Clean mobile UI based on your wireframes TestFlight / Google Play internal testing build Clear build instructions and handoff document I will focus on a polished, maintainable codebase with smooth navigation, proper state management, API/cloud integration, and clean architecture so the app can be extended later. I can also suggest the best backend/cloud option depending on your budget and timeline, such as Firebase for faster MVP delivery or a custom backend if you need more control. I’m ready to work based on milestones and can start by reviewing your wireframes and feature map, then convert them into a functional cross-platform app. Thank you.
₹750 INR in 25 days
0.0
0.0

GSINFOTECHH OPC Pvt. Ltd. – Your Trusted Tech Partner Based in New Delhi, GSINFOTECHH OPC Pvt. Ltd. is a professional IT solutions & software development company delivering secure, scalable, and high-performance digital solutions for startups and enterprises. We help businesses convert ideas into powerful, market-ready products. Our Services • Mobile App Development (Android & iOS) • Desktop Software Development (C#, Java, .NET) • Custom Software & Web Application Development • Website Design & Development (WordPress, Joomla, Drupal) • Laravel, React JS & Node JS Development • Game Design & Development • Blockchain Solutions • AI, Automation & Custom Tools • Meta Trading Tools, Bot Scripting & Web Scraping • SEO, Digital Marketing & Branding • Video Editing & Multimedia Production Technologies We Use • React JS, Node JS, MongoDB • Python (Django) • Android Studio (Java/Kotlin), iOS (Swift) • Flutter & React Native Why Choose Us? ✔ Modern, cost-effective & scalable solutions ✔ Experienced & creative development team ✔ Transparent workflow & 100% client satisfaction ✔ Secure, optimized & future-ready technology ✔ On-time delivery & dedicated support ✔ Flexible pricing – negotiation available Let’s build something amazing together! Hire GSINFOTECHH OPC Pvt. Ltd. to take your project to the next level.
₹750 INR in 40 days
0.0
0.0

As a seasoned developer specializing in cross-platform mobile app development, I am enthusiastically prepared to take on your project. My experience with Android and iOS development, and proficiency in Flutter and React Native make me an ideal candidate for building a smooth, efficient and visually appealing productivity app that works seamlessly across devices. Delivering clean, intuitive interfaces that elevate user-experience is my specialty, and I'm looking forward to transforming your wireframes into a polished codebase. I understand your need for consistent performance across different devices and platforms. Rest assured, I pay meticulous attention to detail, aiming for zero critical crashes and smooth navigation at 60 fps even on mid-range devices. Additionally, I have a knack for creating secure and scalable products fit for long-term growth, which aligns perfectly with your requirement of a maintainable codebase. What makes me different from the rest is my comprehensive approach towards every project I undertake. From developing the app to providing build instructions, setting up CI/CD, and even preparing a hand-off detailing architecture along with next-step recommendations - every aspect will be taken care of. Finally, I prioritize clear communication so you're always in the loop about the project's progress. Trust me to bring your vision to life with quality craftmanship!
₹750 INR in 40 days
0.0
0.0

Hello , I have a done this type of apps before and You will have a working prototyoe reqdy in 24 hours. I am a full stack developer
₹750 INR in 40 days
0.0
0.0

⚠️IF YOU NOT HAPPY YOU DON'T PAY⚠️I am a perfect fit for your project I've completed a similar job using Flutter and React Native. I understand you need a clean, intuitive productivity app with seamless cloud-sync and push notifications. Performance and maintainability are your main priorities, especially smooth navigation and crash-free stability on mid-range devices. While I am new to freelancer, I have tons of experience and have done other projects off site. I would love to chat more about your project! Regards, Kurt Siebritz
₹950 INR in 14 days
0.0
0.0

A highly motivated Fresher and self-taught Flutter Developer and UI/UX Designer with a passion for building seamless, high-performance mobile applications. Skilled in creating visually engaging designs in Figma and translating them into functional, responsive code. Committed to continuous learning and leveraging modern state management, Firebase, and REST APIs to deliver quality digital experiences. Please check my portfolio. Thank You!
₹750 INR in 45 days
0.0
0.0

Wadloor, India
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