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I need a cross-platform mobile application that runs smoothly on both Android and iOS. Its core purpose is to let users back up photos, videos, audio files, and documents to secure cloud storage, then retrieve them through an AI-powered search. Beyond simple backup, I also want an interactive section where the same AI interviews the user and automatically drafts a well-structured biography from their answers. Think of it as a personal archive that not only keeps memories safe in the cloud but can also narrate the story behind them. Key workflow • Users sign in, give the app permission to access their media, and trigger an encrypted upload to the chosen cloud bucket. • Smart search lets them type or speak queries—e.g., “beach trip 2022”—and surface matching files instantly. • In the biography tab, the AI presents a set of questions; as the user responds, it generates and displays a polished life story they can edit or export. Deliverables 1. Android (Kotlin/Java or Flutter/React Native) and iOS (Swift or cross-platform equivalent) builds published to TestFlight/Google Play Internal Testing. 2. Cloud integration: you may propose AWS S3, Firebase Storage, or a comparable reliable solution, with user-level encryption and basic usage metrics. 3. AI components: vector search or other efficient indexing for media, plus an LLM-based biography writer accessible via simple API keys I will provide. 4. Clean, well-commented source code in GitHub and a brief setup/readme so I can re-deploy. Acceptance criteria • Full media backup/restoration flows verified on both platforms. • Search returns relevant results under two seconds for a library of at least 1,000 mixed files. • Biography page produces coherent, grammatically correct text of at least 300 words from ten sample answers. • No crash or critical error during a 30-minute exploratory test on mid-range devices. If this aligns with your skill set, let’s discuss your preferred tech stack and timeline so we can get started right away.
Project ID: 40677687
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Hi, I can build this cross-platform AI-powered personal archive using Flutter with Firebase/AWS S3 for secure encrypted media backup and restoration. I have strong experience with Flutter, Firebase, cloud storage, authentication, APIs, and AI integrations. I’ll implement fast text/voice AI search with efficient indexing/vector search and an interactive AI biography generator using your LLM API keys. I’ll ensure smooth Android/iOS performance, secure user-level data isolation, usage metrics, clean GitHub source code, documentation, and TestFlight/Google Play Internal Testing builds. I’m ready to discuss the architecture and timeline.
€2 EUR in 40 days
5.7
5.7
73 freelancers are bidding on average €8 EUR/hour for this job

Howdy, Reliable location tracking comes down to making sure data is never lost when connectivity drops or becomes unstable. The key challenge here is maintaining reliable location capture when the phone moves between strong connectivity, weak signal, and offline conditions. I’d make local buffering and timestamped point storage part of the core mobile architecture, then sync queued records when connectivity returns rather than depending on a constant connection. For the cross platform requirement, I’d lean toward Flutter for the mobile apps, with a cloud backend and responsive web dashboard built around the same location data model. I’d also keep device permissions and role based access tightly separated from the map and export layers, since unauthorized access to location history is the main risk worth designing around early. Do you already have a preferred backend between Firebase, Supabase, and AWS? Best regards, Hammad Hassan
€10 EUR in 40 days
7.3
7.3

Hi, I can develop your cross-platform personal archive app for Android and iOS, including secure cloud backup for photos, videos, audio, and documents, along with AI-powered text/voice search and an interactive AI biography feature. I can use Flutter with AWS S3 or Firebase for secure storage, vector-based indexing for fast media search, and an LLM API for generating an editable, well-structured biography. I’ll ensure the backup, restoration, encryption, search performance, and AI workflows are properly tested on both platforms, with clean source code and documentation provided. Do you already have a preferred cloud provider and AI API, or would you like me to recommend the best architecture? Kindly send me a message to discuss more or directly award me. Thank you!
€5 EUR in 40 days
7.0
7.0

Hi i can show you my similar live published platforms, The real challenge is making large media backups reliable while keeping AI search fast and useful across Android and iOS. I would design encrypted cloud uploads with resumable handling, then index media metadata and embeddings so queries like beach trip 2022 can return relevant files quickly. The biography flow would use the same AI layer to turn guided answers into an editable personal story. I have worked with cross platform mobile apps, cloud storage, authentication, APIs, AI integrations, search systems, and production testing. I would keep the architecture modular, document the setup clearly, and validate performance against the 1,000 file requirement on real devices. Business idea this could grow into a personal digital archive where memories, documents, and life stories are connected rather than stored separately. Would you prefer Flutter for one shared mobile codebase, or native development for deeper media access?? PS: You’ll get competitive rates with the quality you deserve. After discussing your requirements ican suggest the best scalable approach and provide an estimated timeline and cost. NOTE: I have carefully gone through your project details and can assuredly deliver what you require. My portfolios, https://www.freelancer.pk/u/zainalitariq245 Looking forward to discussing your project further. Best Regards, Zain A.
€10 EUR in 40 days
6.4
6.4

Hi there, I can build a secure cross-platform backup and biography app for Android and iOS that protects personal media and turns it into a searchable life timeline. My approach is to use Kotlin, Swift, or Flutter with platform-specific performance handling, then connect to encrypted cloud storage for photos, videos, audio, and documents. Key implementation points: - Automatic and manual backup with resumable uploads, background sync, and deduplication to reduce storage cost. - Client-side encryption, token authentication, and role-safe access control for privacy. - AI-powered search using image recognition, audio transcription, document parsing, and natural language queries. - Smooth retrieval with thumbnails, date grouping, categories, and indexed search. - iPad and iPhone optimized layouts for different screen sizes. I will focus on offline reliability, large-file handling, and clear progress states so users trust the backup process. I can start by defining the data model, upload pipeline, and search architecture before coding. Best Regards, Khorshed Alam, RS Software
€5 EUR in 40 days
6.9
6.9

Hello!! A reliable backup and biography application can be developed with secure data storage, easy backup and recovery, and an intuitive experience that keeps important personal information organized and accessible. * What type of biography or personal data should users be able to save? * Should backups be stored locally, in the cloud, or both? * Do you already have UI designs or an existing application to continue? The solution will include secure user accounts, data storage, automatic or manual backups, restore functionality, profile and biography management, media/document handling where required, cloud integration, responsive UI, testing, and performance optimization. Relevant mobile applications, cloud storage, database, API, and backup solutions have been completed before, creating reliable systems that protect important user data while keeping the application simple and easy to use. Let us discuss your required backup workflow and core application features so we can plan the right solution. Best regards Farhin B
€2 EUR in 40 days
6.8
6.8

Hi I have read your requirements, and I am sure 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
€4 EUR in 40 days
6.6
6.6

Hello Dear, I’m Md Toriqul Islam, and I’m excited to partner with you & I can dive into your project immediately. I have rich experience in gaming content, video editing, entertainment videos, reaction videos, and engaging YouTube content. I understand you want entertaining gaming videos, reaction content, or Let’s Plays with high-quality production, engaging commentary, and fast delivery. I am skilled in video editing, storytelling, pacing, sound design, transitions, thumbnails, and YouTube content optimization. I’m ready to start immediately and can share relevant examples of my past work. Looking forward to hearing from you. Best regards, Md Toriqul Islam
€4 EUR in 40 days
5.6
5.6

With over 13 years of experience in mobile app development, I, Kishore, welcome the challenge of building your AI Backup & Biography App. Already having significant expertise in Java and Android, I assure you that your project will be in safe hands. My team at Walking Dreamz Technologies is proficient not just in mobile app development but also with cloud integration, essential for this project. We are well versed with AWS S3 and Firebase Storage and can provide you with user-level encryption and usage metrics as required. Our previous works include complexity similar to your requirement - connecting the user's media to the cloud storage, generating outputs through AI-powered components, and developing reliable search functions. A key measure of our success would be our nearly zero recorded crashes on mid-range devices during tests. This aligns profoundly with your request of a 30-minute exploratory test with no critical errors. What sets us apart from other freelancers is our focus on clear communication, clean code, and predictable delivery. Our projects usually go beyond phase one due to our emphasis on post-launch support. Moreover, I'll be available throughout this project as your main contact ensuring no communication gaps whatsoever. What you can expect from us is production-ready deployments, detailed documentation, and professional post-launch support; all within a set timeline and budget. Let's connect soon to discuss a practical tech approach.
€4 EUR in 40 days
5.2
5.2

Hi, This is a great fit for my full-stack and mobile development experience. I’d build this as a Flutter + scalable cloud backend application so we can maintain one codebase for Android and iOS while keeping the architecture flexible for future growth. for privacy, should the uploaded media itself remain encrypted in storage with encryption keys controlled per user, or is standard cloud-side encryption with secure per-user access control sufficient for the MVP? The important part will be designing the media indexing properly. I’d avoid sending every file blindly to the LLM; instead, metadata and relevant extracted information can be indexed so searches across 1,000+ files remain fast and cost-efficient. For the biography feature, I’ll build the question/answer flow so the AI can progressively generate a structured story, which the user can edit before exporting. I’ll also test the complete backup/restore flow, search performance, AI generation and 30-minute exploratory sessions on representative Android and iOS devices before delivery. I am ready to provide propose the exact architecture and timeline. Thank You.
€6 EUR in 40 days
5.3
5.3

Hey! I specialize in cross-platform mobile and AI development with 9+ years building secure apps with cloud storage and intelligent search. Here’s how I can help: • Build Flutter app for seamless Android and iOS media backup • Integrate encrypted cloud storage with fast AI-powered media search • Develop conversational AI that transforms answers into editable biographies • Deliver tested builds, clean GitHub code, documentation, and deployment setup Could you clarify whether you prefer AWS S3 or Firebase, and which LLM API you plan to provide?
€6 EUR in 40 days
4.9
4.9

With our well-honed skills in Cloud Computing and Mobile App Development, my team and I are optimally poised to bring your AI Backup & Biography App project to a successful fruition. Over the years, we've built a reputation for ourselves in developing complex yet user-friendly solutions, a trait that is indispensable for crafting an app as sophisticated as yours. Our promise is simple - an elegant cross-platform mobile application that smoothly functions on both Android and iOS. Finally, our deliverables align impeccably with your acceptance criteria. From providing clean, well-commented source codes that you can use at any point in the future to ensuring seamless media backup/restoration flows and reducing searching queries under two seconds consistently; we assure you a remarkable job done. If you're ready for us to help shape your vision into reality with utmost dexterity and timeliness, let's discuss further about your preferred tech stack and initiate this exciting journey together!
€4 EUR in 40 days
4.3
4.3

Namaste, I’d love to develop your cross-platform AI-powered personal archive using Flutter with a scalable cloud architecture. I can build secure media backup/restoration, encrypted cloud storage, voice/text AI search, vector-based indexing, and the interactive AI biography workflow. I can integrate AWS S3/Firebase Storage, authentication, usage metrics, LLM APIs, and efficient search optimized for 1,000+ files. I’ll deliver tested Android/iOS builds for internal testing, clean GitHub source code, documentation, and deployment guidance, with focus on performance, security, and reliability. Best regards, Amit G. Kavya Tech Nepal Freelancer Profiles: https://www.freelancer.com/u/iamamitgupta1994 https://www.freelancer.com/u/KavyaTechNepal
€6 EUR in 40 days
4.3
4.3

Hello there, we are a team of senior Full Stack Web and Mobile App Developers. We will build your fully custom and robust application. Please, send me a message to discuss the work. Thanks Ashish Kumar.
€4 EUR in 40 days
4.1
4.1

React Native with Expo makes the most sense here since the heavy lifting is cloud and AI, not native UI. I'll ship Android and iOS builds to internal testing, wire Firebase Storage with client-side encryption, and index media embeddings in a vector store so "beach trip 2022" hits under two seconds. Encrypting before upload means the search index needs metadata tags generated on-device, or the server sees nothing to match. I can jump in right away. 1) Whose LLM keys, OpenAI or Gemini? 2) Roughly how large is the target media library per user? Thanks Shayan
€5 EUR in 40 days
3.8
3.8

Hello, I’d love to build this as a secure personal archive that combines reliable cloud backup with genuinely useful AI search and biography generation. I understand the key challenge is making large media libraries searchable without compromising upload performance, privacy, or reliability. Tech Stack & Approach Flutter + Dart: Android & iOS from a single maintainable codebase AWS S3 / Firebase Storage: Secure, scalable media storage Encrypted uploads, user-level access control and secure authentication Background/resumable uploads for photos, videos, audio and documents AI search: metadata + embeddings/vector indexing for semantic queries Voice/text search with relevant file retrieval LLM API: Interactive biography interview and editable 300+ word generation GitHub-based development with clean documentation and deployment setup Timeline I’ll focus on the 1,000+ file search requirement, secure storage, background uploads and stable performance on mid-range devices from the beginning rather than treating them as final-stage fixes. Please share your preferred cloud provider, AI API, and any existing designs/API documentation. I can then finalize the architecture and milestones. Best regards, Govind
€2 EUR in 40 days
3.6
3.6

Hello, I’m Baber Ali, a Flutter developer with 5+ years of experience, working with a development team. We can build your cross-platform app in Flutter for Android and iOS with secure cloud backup and AI-powered features. We can implement encrypted photo, video, audio, and document uploads, user authentication, cloud storage with Firebase/AWS S3, media restoration, smart text/voice search, and an AI biography workflow using your provided API keys. We’ll keep the architecture scalable with efficient media indexing, secure data handling, and clean API integration. I’ll provide tested builds, GitHub source code, deployment documentation, and a maintainable backend structure. I’m available to start immediately and can deliver high-quality work within your timeline. Please join the chat so we can discuss the AI/search requirements and get started. Thank you.
€2 EUR in 40 days
3.7
3.7

Hi, This is an interesting concept — essentially combining secure personal cloud backup with an AI-powered “memory archive” and biography builder. I’d suggest building the MVP around one core experience first: upload → automatically organize/index memories → search them naturally → use the same AI to turn those memories and user answers into a personal story. One thing I’d love to clarify before suggesting the architecture: should the AI search understand the actual content of photos/videos (for example, recognizing “beach trip 2022”), or should it initially work from filenames, dates and user-provided information? I’ve worked with Flutter, cloud storage and AI/API integrations, so I can help structure this in a way that’s practical to launch and scale. Would you like me to share a suggested MVP architecture and timeline? Regards, CodeRegime
€5 EUR in 40 days
3.2
3.2

Hi, I'm Denis, a full-stack developer with experience building cross-platform mobile apps and cloud-backed systems. Your project needs a secure backup app with two distinct AI features: fast retrieval and interactive biography generation. The biggest technical challenge will be combining vector search for media files with an LLM-based biography writer while maintaining good performance on mobile devices. I recently worked on a similar system where users uploaded thousands of media files and needed instant search results, so I’m familiar with the indexing and query challenges you’ll face. Here’s how I’d approach it: first set up end-to-end encrypted uploads to a cloud storage service like AWS S3 with user-level keys. Then build a lightweight vector index for fast search—this keeps queries under two seconds even with 1,000 files. For the biography feature, I’d use a prompt template with the LLM to structure user answers into a coherent story, handling edits and exports cleanly. The main risks are storage costs and LLM token usage, which we’ll manage with rate limiting and efficient prompt design. I’ll also add basic usage tracking so you can monitor activity without extra complexity. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
€15 EUR in 40 days
3.3
3.3

Your app is more than a backup tool — the key is making backup, AI search, and the biography workflow feel like one seamless product. I’d build this cross-platform with Flutter, backed by AWS S3 (or Firebase Storage), so Android and iOS share one maintainable codebase while still delivering reliable native performance. My approach: Encrypted media upload/download with resumable uploads and background handling User-isolated cloud storage and secure authentication Media indexing with metadata + embeddings for natural-language search such as “beach trip 2022” Fast retrieval designed around your 1,000+ file / <2 sec requirement AI biography interview flow that stores answers and progressively generates a 300+ word editable biography Export/share functionality and basic storage/usage metrics TestFlight + Google Play Internal Testing builds Clean GitHub repository with deployment/setup documentation For the AI layer, I’d keep the mobile app lightweight and put indexing, embeddings, search, and LLM calls behind a secure backend API so your API keys never live inside the app. A couple of things I’d clarify before implementation: which cloud provider do you prefer (AWS/Firebase), and should the AI search understand the actual visual/audio content of files, or only metadata/text?
€5 EUR in 40 days
2.7
2.7

Hi, I’m an experienced full-stack and mobile developer with strong expertise in Flutter/React Native, cloud storage, AI integrations, and secure APIs. I can build the complete Android + iOS app with encrypted media backup, restoration, and scalable cloud storage. I can implement AI-powered semantic/vector search for fast results across 1,000+ files. The biography feature can use an LLM-driven interview flow to generate polished, editable life stories. For the backend, I’d recommend AWS S3 with a secure API layer and user-level access controls. I’ll ensure efficient indexing, background uploads, authentication, and reliable sync across devices. The app will be optimized for performance and tested thoroughly on both Android and iOS. I’ll provide TestFlight/Google Play Internal Testing builds along with complete GitHub source code. I’ll also include clear documentation, deployment instructions, and API/AI integration setup. I’m ready to review your requirements and start immediately.
€2 EUR in 40 days
2.8
2.8

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