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I need a single code-base mobile application that runs smoothly on both Android and iOS and functions primarily as a productivity tool. The core experience revolves around letting users capture, organise and review images or videos and then keep everything safely synchronised in the cloud. All user data must be stored online by default, and I want the upload, sync and retrieval flows to be guided by lightweight AI so the app can, for example, spot duplicates, suggest smart folders or propose reminders when content is left untouched for too long. Key goals • Native-like performance and a clean, distraction-free interface. • Secure, background cloud sync for every asset, with end-to-end encryption. • On-device AI models (or efficient server-side endpoints if size is a concern) to analyse images and videos for tagging, search and smart suggestions. • A scalable back-end (Firebase, AWS Amplify or another equivalent you prefer) that can handle spikes in uploads. Deliverables 1. Full source code for Android and iOS, structured so future modules can be added easily. 2. API or back-end setup scripts and clear environment documentation. 3. A brief test plan plus an APK/TestFlight build so I can validate performance on real devices. 4. One-page hand-off note summarising AI models used, cloud architecture and any third-party libraries. Acceptance criteria • First-run onboarding completes with permissions granted and the user is automatically logged into the cloud workspace. • Image/video captured or imported appears in the main grid within five seconds over a standard 4G connection. • Search by automatically generated tag returns correct results for at least 80 % of the sample set. • App passes both Android and iOS store checks with no critical warnings. I value clear communication and clean, well-commented code, so drop me a quick outline of the tech stack you’d pick and a rough milestone split, and we can kick things off right away.
Project ID: 40662042
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324 freelancers are bidding on average €586 EUR for this job

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
€500 EUR in 10 days
9.7
9.7

Hello, I understand that you are looking for a cross-platform multimedia productivity app that seamlessly operates on both Android and iOS devices, focusing on image and video organization with cloud synchronization. My expertise lies in mobile app development, particularly in creating efficient and user-friendly solutions. To address your requirements, I propose utilizing React Native for the development to ensure native-like performance and a clean interface. For cloud synchronization, I recommend integrating Firebase for secure and scalable storage. Implementing lightweight AI models on-device will enhance user experience by providing smart suggestions and efficient content analysis. I am committed to delivering a high-quality solution with a well-documented codebase and a detailed test plan. By leveraging my technical skills and experience in mobile app development, I aim to meet your expectations and exceed them. If you are interested in discussing further details or have any questions, feel free to initiate a chat. I can provide insights on the tech stack, development approach, and milestone breakdown to kick off the project smoothly. Sincerely, Rajesh
€500 EUR in 30 days
9.4
9.4

Hello, I’m Elias, a Miami-based senior software engineer with 20 years of experience in mobile app development. I’ve carefully read your project description and understand you’re looking for a cross-platform multimedia productivity app that runs smoothly on both Android and iOS. I have built similar applications that successfully integrate multimedia features. My focus is on secure architecture, responsive UI, scalability, and performance. For your project, I would approach it in the following phases: 1) Understand the business workflow and technical requirements. 2) Design the user experience and app architecture. 3) Develop core features and multimedia integrations. 4) Conduct thorough testing to ensure functionality across platforms. 5) Deploy the app and provide post-launch support. Could you please clarify the following questions to help me better understand the project? 1) What specific multimedia functionalities are essential for your app? 2) Are there any third-party services or APIs you plan to integrate? 3) What user roles and permissions do you envision for the app? I’ve built similar systems before, but most of my projects were completed under NDA, so I can't publicly share them. However, I’d be happy to discuss the architecture and technical decisions in detail. Additionally, I can ensure a maintainable codebase that supports future enhancements.
€500 EUR in 5 days
8.3
8.3

Hello, Cross-Platform Multimedia Productivity App Developer {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}} >>>> Multi languages (English and Spanish ) ) <<<< I have carefully reviewed your requirements and understand that you need a smooth Android and iOS productivity app where users can capture, organize, search, and securely sync photos and videos with intelligent AI assistance. I have 11+ years of software development experience and can build the complete application with a clean cross-platform architecture, secure cloud synchronization, background uploads, media organization, smart tagging, duplicate detection, and AI-powered search and reminders. I will ensure user data is securely synchronized with cloud storage and protected with strong encryption. The backend will be designed to handle high-volume media uploads while keeping the app responsive and reliable on real devices. I can also implement the AI layer for automatic tagging, smart folder suggestions, duplicate detection, and content-based search, with the architecture kept flexible for adding more AI capabilities in future. I will handle development, backend setup, API integration, testing, APK/TestFlight builds, store submission support, documentation, and complete source code. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. I eagerly await your positive response. Thanks, Christina
€450 EUR in 10 days
8.4
8.4

I hope this message finds you well! My name is Waqas, and I'm a seasoned software engineer specializing in developing cross-platform apps like the one you've described. With more than 10 years of experience delivering high-quality software solutions for startups and enterprises, I have honed my skills to provide native-like performance and clean, distraction-free interfaces that users truly appreciate. My proficiency in Flutter makes me the perfect candidate for the potential success of your project. It's an efficient framework with the capability of squeezing out every bit of performance from your application, while also ensuring a codebase that's easy to maintain and extend - which aligns perfectly with your requirement of allowing easy addition of future modules. Additionally, my technical expertise in Firebase could play a significant role in delivering the results you desire. I'm aware of its potential and can ensure secure background cloud sync, end-to-end encryption for perfect data security, and AI-powered analytics for tagging, search, and smart suggestions for seamless management of media making it even more powerful for you. Partnering with the right developer can make all the difference and I firmly believe that together we can create a remarkable productivity tool worth applauding!
€500 EUR in 7 days
8.4
8.4

Hello, System understanding: A single‑code‑base app that captures images/videos, stores them encrypted in the cloud, syncs in the background, and uses lightweight AI to deduplicate, tag, and remind users of stale content. Expect fast grid view, tag‑based search, smooth onboarding, and E2EE. Technical approach: Flutter (or Kotlin Multiplatform) UI with platform channels for TensorFlow Lite/Firebase ML. Backend: Firebase Firestore + Storage + Cloud Functions for AI; encryption via libsodium; sync via FCM; state mgmt with Provider; modular layout for future add‑ons. Core modules: Capture/import, AI pipeline (dedupe, tagging, reminder), Encrypted sync, Grid/search UI, Onboarding/auth, Settings. Relevant systems: Bison360 (Flutter, Spring Boot, encrypted PG, AWS S3) - secure sync & offline‑first; SecureCom (Flutter, Laravel, 512‑bit ECC) - E2EE; ORDO (React Native, Node.js, AI task prioritization) - AI‑driven productivity. Implementation strategy: 1) Core capture & encrypted sync (2 wks). 2) AI tagging & dedupe (2 wks). 3) Smart reminders & UI polish (2 wks). 4) Testing, CI/CD, APK/TestFlight delivery. Iterate on feedback. Questions: 1. Which AI tasks should run on‑device vs server‑side to balance size & latency? 2. Firebase, AWS Amplify, or custom Node.js - which backend do you prefer? 3. Encryption key management: user passphrase, server‑held, or hybrid? Regards, Rohit
€250 EUR in 45 days
8.1
8.1

Hey there, I have carefully reviewed the pictures you provided, and the visual direction is clear. The app should feel simple and distraction free on the surface, while handling a fairly sophisticated media and AI workflow underneath. I would pay particular attention to making capture, upload, sync, AI tagging and retrieval feel like one continuous experience rather than making users wait for background processing. For a single codebase, I would lean toward Flutter or React Native, with Firebase or AWS for the backend and a modular AI layer that can use on-device processing where practical and server-side processing when needed. I’d split the work into the core media flow, secure cloud sync, AI tagging/search, real-device testing, and final iOS/Android builds. Do you already have a preferred cloud provider, or should I recommend one based on the encryption, 4G performance, and AI requirements? Check out my Porfolio: https://www.freelancer.com/u/Hammadhassan21 Best regards, Hammad Hassan
€320 EUR in 10 days
7.3
7.3

Hi, I reviewed your cross-platform multimedia productivity app: one code-base for Android and iOS to capture, organize, and securely sync images/videos to the cloud by default. I’ll implement Cloud Computing with a scalable backend, secure background upload/sync, and end-to-end encryption. For discovery, I’ll add Mobile App Development flows with efficient image/video analysis that supports tagging, smart folders, duplicate spotting, search, and reminder suggestions through iOS-compatible pipelines or lightweight server-side APIs. I’ll keep the UI distraction-free with native-like performance, clean structure for future modules, and well-commented code plus an APK/TestFlight-ready build and concise hand-off documentation. Let’s discuss here now.
€250 EUR in 30 days
7.1
7.1

Understanding the need for a cross-platform multimedia productivity app, our team specializes in creating seamless applications that prioritize user experience. We will ensure your app captures, organizes, and reviews images and videos efficiently while maintaining secure cloud synchronization. For the native-like performance you seek, we recommend using Flutter or React Native, paired with Firebase for the scalable back-end. This approach allows for efficient AI integration to handle tagging and smart suggestions without compromising performance. We prioritize communication, quality, and on-time delivery. Our team will provide clean, well-commented code and detailed documentation, ensuring future scalability is straightforward. If you'd like, I can also share similar work we've completed and discuss the best approach for your project. Regards, JP
€400 EUR in 7 days
6.8
6.8

Hi, It will be an honor for me to work with you. I have got 12 years of mobile application development experience (iOS, android and flutter). Lets discuss this in detail and get this started. Looking forward to hear from you.
€600 EUR in 15 days
6.9
6.9

Hello, I have 10 years of experience developing React Native applications for Android and iOS, including AI-powered products with cloud synchronization and intelligent content workflows. I can build your productivity app with secure image and video uploads, background synchronization, smart tagging, duplicate detection, searchable organization, and reminder suggestions. I recommend React Native with Node.js, scalable cloud deployment, secure storage, and AI integration through efficient server-side processing or suitable on-device models. The architecture will support encryption, upload spikes, modular future features, and reliable performance on real devices. Milestones would cover onboarding and authentication, media capture and sync, AI tagging and search, smart suggestions, testing, performance optimization, and store release preparation. Let’s discuss your preferred cloud provider and encryption requirements. Best regards
€250 EUR in 7 days
7.0
7.0

Hi, I came across your requirement for a single-codebase Android and iOS productivity app focused on secure image/video capture, organization, cloud synchronization and AI-powered smart management. We can build this using Flutter, with Firebase/AWS-based cloud infrastructure and efficient AI models for duplicate detection, auto-tagging, smart folders, search and reminders. Suggested stack: Flutter + Firebase/AWS + secure cloud storage + on-device AI/server-side AI APIs, with encrypted background synchronization and scalable APIs. The app will be structured as a scalable single codebase so additional productivity and AI modules can be added easily in the future. I’d be happy to discuss the AI approach, cloud architecture and performance targets over a quick call and share relevant mobile/AI work. Best regards,
€300 EUR in 7 days
7.3
7.3

Dear Valuable Client, At CnEl India, we specialize in engineering cross-platform mobile apps with automated background media synchronization and AI-driven content categorization. Technical & Execution Methodology Cross-Platform Framework & Core UI: Build a single codebase using Flutter or React Native, delivering native-level grid performance, media pickers, and background task runners for Android and iOS. Encrypted Cloud Sync & Scalable Backend: Implement an automated background sync pipeline using Firebase / AWS S3 + DynamoDB with client-side AES-256 encryption to guarantee secure storage during peak uploads. AI Media Analysis & Smart Tagging: Integrate efficient on-device vision models (TFLite/CoreML) or fast serverless API endpoints to analyze images/videos for auto-tagging, duplicate detection, and reminder prompts. Security, Store Audits & QA: Set up automated cloud scripts, run network latency checks (<5s upload sync), ensure strict permission handshakes, and test against Android/iOS store guidelines. Handover (3–4 Weeks): Deliver full Git source code, setup docs, TestFlight/APK builds, and a 1-page summary of AI architecture and libraries. Ready to start immediately! Best regards, CnEl India Team
€500 EUR in 15 days
7.0
7.0

Hi, The real challenge is making cloud sync feel invisible while handling large media files, background uploads, encryption, and AI processing without draining the device or slowing the interface. I would also design the AI layer carefully so tagging, duplicate detection, and smart suggestions remain useful as the library grows. I would use Flutter for the shared mobile codebase, with AWS Amplify for authentication, scalable storage, APIs, and background sync. AI processing can be split between lightweight on device models and server side services depending on the task. I would structure milestones around the core app, cloud architecture, AI features, device testing, and store release. A useful business idea is adding automatic weekly library summaries that surface forgotten media, duplicates, and suggested folders, giving users a simple reason to keep their library organised. Would you prefer AWS Amplify or Firebase for the initial backend?? Let’s turn your project into measurable results. My portfolios, https://www.freelancer.pk/u/zainalitariq245 Looking forward to discussing your project further. Best Regards, Zain A.
€300 EUR in 15 days
6.4
6.4

Hello!! I can build a single cross-platform productivity app for Android and iOS with secure cloud media storage, background synchronization, end-to-end encryption, and lightweight AI for tagging, duplicate detection, smart folders, and reminders. * Do you have a preferred cloud platform such as Firebase or AWS? * Should users be able to access their media from multiple devices? * Do you already have any design or branding ready? Flutter can provide a smooth shared codebase, supported by a scalable backend and secure media storage. The solution will include reliable background synchronization, AI-powered search and suggestions, clear onboarding, performance optimization, testing builds, and store-ready releases. Relevant multimedia, cloud, AI, and mobile applications have been completed, with focus on secure architecture and smooth user experience. Let us discuss the features and milestone plan in chat. Best regards Farhin B
€250 EUR in 10 days
6.7
6.7

Hi there, I understand you need a cross-platform multimedia productivity app that captures, organizes, and syncs images/videos to the cloud. I can build this using React Native for true code-sharing between platforms while maintaining native performance. My approach includes implementing AWS Amplify for seamless cloud synchronization with offline capabilities, secure user authentication, and responsive UI/UX for both mobile and tablet experiences. I'll ensure smooth video processing, efficient storage management, and intuitive organization features that work flawlessly across Android and iOS devices. The app will feature real-time sync capabilities, secure cloud storage integration, and a clean interface optimized for productivity workflows. I'll focus on performance optimization and maintainability throughout development. Best Regards, Khorshed Alam, RS Software
€500 EUR in 7 days
6.7
6.7

Hello!, I am a US-based senior software engineer(frontend, backend, ecommerce, etc) with 15+ years of experience building reliable mobile apps and cloud-connected products. I read your project description carefully and understand the goal is a single codebase app that runs smoothly on both Android and iOS, with solid cross-platform performance and clean functionality. I’d approach this in practical phases: 1) confirm the core app flow and multimedia needs, 2) choose the best stack for speed and stability, 3) build the shared UI and cloud integration, 4) test thoroughly on real devices, and 5) polish for release so both platforms feel native and responsive. My background includes React Native, Flutter, iOS/Android app development, AWS Amplify, cloud architecture, API integration, and production support. I’ve shipped apps and systems where performance, sync, and maintainability mattered, so I’m comfortable taking this from idea to a stable release. Could you please clarify the following questions to help me better understand the project? 1) What multimedia functions are required exactly, for example audio, video, camera, file upload, or playback? 2) Do you already have UI designs and API/backend ready, or should I help define the app structure end to end? 3) Are there any must-have AWS Amplify services you want used, such as auth, storage, or realtime sync? If helpful, I can also share a few relevant app examples from similar cross-platform work. James Zappi
€650 EUR in 4 days
6.3
6.3

We can build your cross-platform multimedia productivity app with a clean architecture that supports Android and iOS from a single maintainable codebase. Our recommended approach: • Flutter for a consistent, native-like mobile experience • Firebase/AWS for authentication, scalable cloud storage, and backend services • Secure background upload/synchronization for images and videos • AI-powered tagging, duplicate detection, and smart suggestions • Efficient APIs for search, retrieval, and content organization • Strong security practices, including encrypted data handling • Performance optimization to meet your 4G upload/display targets • APK/TestFlight builds, QA, and store-readiness testing We would structure the project into milestones such as core app + media flows, cloud sync/backend, AI features, QA/performance, and final deployment. We also provide clean, documented source code, environment setup documentation, and a concise hand-off covering the architecture, AI models, and third-party libraries. The €750 budget is best handled as an MVP, so we would first validate the scope against the acceptance criteria and then finalize milestones. Let's discuss the screens and sample media set so we can define the most practical implementation.
€700 EUR in 7 days
6.3
6.3

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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
€400 EUR in 7 days
6.6
6.6

Hello there, Hope you are doing well I’d be happy to build your cross-platform multimedia productivity application for iOS and Android, with secure cloud synchronization, AI-powered organization, and a scalable architecture for future modules. I understand that the app needs to feel fast and native-like, while automatically keeping user photos and videos synchronized in the cloud and using AI to make content easier to organize, search, and revisit. Recommended Tech Stack Mobile: Flutter + Dart Backend: Node.js / NestJS Database: PostgreSQL or Firestore Flutter would provide a single maintainable codebase while delivering strong performance across Android and iOS. Key Features Media Capture & Import Camera photo/video capture Import from device gallery Fast previews and thumbnails Background uploads Upload progress and retry handling Automatic cloud synchronization AI-Powered Organization Automatic image/video tagging Duplicate detection Smart folder suggestions Content-based search Suggested reminders for inactive content AI-assisted categorization Architecture prepared for additional AI features Cloud Workspace Secure user authentication Online-first data architecture Automatic synchronization Scalable object storage Reliable upload/retry queues Media metadata management Secure access controls Thanks & Regards Dheeraj K.
€250 EUR in 5 days
7.0
7.0

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