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I need an iOS-only marketplace app where anyone can put an item up for sale, schedule the exact time they want the auction to begin, and then watch a lively 3D, slightly exaggerated auctioneer run the bids in real time. Sellers must be able to upload photos, write their own descriptions, and set the starting bid price before locking in a slot on the calendar. During the live session, bidders enter a virtual “room.” Whether three people show up or three hundred, the animated host should keep pace, increment bids, announce the winner, and trigger payment confirmation once the hammer drops. I picture a stylized, cartoon-like 3D character—think fun, friendly, and upbeat rather than hyper-realistic—rendered smoothly on modern iPhones. Audio call-outs (“Going once…”) and playful gestures are a must; full motion-capture quality isn’t. Core flow I need built: • Seller lists item → chooses date/time → publishes. • Push notification reminds followers before the auction. • Auction room opens, 3D host appears, live bidding begins with real-time price updates. • Winning bid processed through in-app payment; seller and buyer receive receipts in the inbox. I’m fine with native Swift, SwiftUI, or a robust cross-platform engine such as Unity or Unreal so long as performance on iOS is flawless. The backend can be Firebase, Supabase, or Node/Express with websockets—whatever keeps latency low enough for real-time bids. Acceptance criteria: 1. Universal iPhone layout (iOS 15+) passes App Store review. 2. Animated host loads in under two seconds on a mid-range device. 3. Bids propagate to all participants in <300 ms round trip during a stress test of 300 concurrent users. 4. Sellers can schedule, edit, and cancel listings; buyers can follow upcoming auctions. 5. Secure Stripe or Apple Pay integration from bid win through settlement. Source code, 3D model files, and brief technical documentation should be handed over at milestone completion.
ID Projek: 40338725
119 cadangan
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Aktif 11 hari yang lalu
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119 pekerja bebas membida secara purata $4,169 USD untuk pekerjaan ini

⭐️⭐️⭐️ iOS 3D Live Auction Marketplace App ⭐️⭐️⭐️ Hello, I checked your JD and understand the full scope of the requirement. Features: • Seller item listing with photo uploads, descriptions, starting bid, and scheduled auction slot • Push notifications to alert followers before auctions • Live auction rooms with 3D animated auctioneer, audio cues, and playful gestures • Real-time bid updates with <300ms latency and secure Stripe/Apple Pay settlement • Seller and buyer dashboards to manage listings, follow auctions, and receive receipts Many more… Let’s chat…. Thanks
$3,800 USD dalam 40 hari
9.4
9.4

With over 10 years of expertise in web and mobile development, specializing in creating innovative solutions, I understand your need for a captivating Cartoon Auctioneer iOS App. The challenge lies in seamlessly integrating real-time bidding with a fun, animated auctioneer character, engaging both sellers and buyers in a lively auction environment. My experience in developing interactive and dynamic applications aligns perfectly with your project requirements. I have successfully delivered engaging solutions in the eCommerce sector, ensuring seamless user experiences and robust functionality. With a keen focus on detail and user engagement, I am confident in creating a visually appealing and efficient iOS marketplace app that meets your expectations. I am eager to bring your vision to life and deliver a top-notch Cartoon Auctioneer iOS App that exceeds your expectations. Please feel free to reach out to discuss further details and kickstart the process of turning your idea into a reality.
$4,000 USD dalam 45 hari
8.3
8.3

A Warm Hello! We are readily available to start working on this project! We are confident to provide you real-time auction marketplace powered by a lively 3D auctioneer is a rare combination of entertainment and commerce, and it has strong potential to stand out. We specialize in building performance-driven, scalable applications, and this project aligns perfectly with our expertise in real-time systems, iOS development, and interactive experiences. Your vision transforms auctions into an engaging, live experience, not just a transaction—and that’s where real user retention comes from. We’d love to help you build this with the right technical foundation. Let’s connect to discuss next steps. Best regards, Ana
$5,000 USD dalam 70 hari
9.0
9.0

Hello, I will develop your CARTOON AUCTIONEER MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$3,000 USD dalam 35 hari
6.5
6.5

Hello, I hope you are doing well. I understand that you are looking to build a CARTOON AUCTIONEER MOBILE APPLICATION and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$3,000 USD dalam 25 hari
7.0
7.0

Hi, Your project immediately stood out — combining **real-time bidding with a 3D animated auctioneer** is a powerful and innovative idea, and I’d love to help you bring it to life. I specialize in building **scalable real-time systems and interactive applications**, and your requirements align perfectly with my experience in **iOS development, WebSockets, and 3D integration using Unity**. I’d be happy to discuss your vision in detail and suggest improvements to make the platform even more engaging and scalable. Let’s build something truly unique Best regards, Anju
$4,000 USD dalam 60 hari
6.5
6.5

I'm Sardar Hasnain, your go-to AI & Embedded Systems Engineer with a specialization in iOS application development. I've successfully built numerous complex, full-stack intelligent systems that smoothly integrate hardware, firmware, cloud, and mobile applications, which aligns remarkably well with the core flow you envision for your Cartoon Auctioneer App. With my profound expertise in native Swift/SwiftUI and cross-platform engines like Unity/Unreal, I can ensure a flawless user experience on modern iOS devices while still maintaining excellent performance on mid-range iPhones. Moreover, my familiarity with Firebase, Supabase, and Node/Express with websockets makes me proficient at handling real-time interactions and bidding scenarios that your app requires. When it comes to universal iPhone layouts complying with App Store review guidelines as well as integrating secure payment gateways like Stripe or Apple Pay for end-to-end settlement processes, you can count on my proficiency in iOS development combined with my deep understanding of integrating backend systems. I not only focus on meeting the acceptance criteria given but also on delivering the highest quality product to guarantee customer satisfaction upon project completion. Don't miss out!, Hire me now and lets make your envisioned animated auctioneer come to life on iOS.
$5,000 USD dalam 60 hari
6.2
6.2

Hi, As a individual developer I can help in your project focusing on iOS marketplace app development, real-time auction flow, 3D animated auctioneer integration, push notifications, payment workflow, and related modules to fix, improve, and develop during this project. With my expertise in full-stack development and experience working with modern web technologies like Swift, SwiftUI, Unity 3D, Node.js, WebSockets, Firebase or Supabase, Stripe, Apple Pay, and real-time backend architecture, I can build this quickly. I can structure the app with smooth iPhone performance, low-latency live bidding, scheduled auction management, animated 3D host interactions, and secure in-app payment flow from winning bid to receipt delivery. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$3,000 USD dalam 7 hari
5.5
5.5

Hello! As per your project post, you’re looking to build a Cartoon Auctioneer iOS App that brings the excitement of live auctions to mobile devices with a playful 3D animated host. The app will allow sellers to list items, schedule auctions, and let buyers join virtual rooms where real-time bidding unfoldall with fun gestures, audio call-outs, and seamless payment processing. The goal is to create an engaging, user-friendly marketplace that combines animation and live commerce for a memorable auction experience. My focus will be on delivering a polished MVP, featuring: seller listing workflow with image upload and price setup, scheduled auction notifications via push, real-time bidding with low-latency updates, animated 3D auctioneer with gestures and audio call-outs, in-app payment integration, and a robust backend to handle concurrency and data integrity. I specialize in building high-performance iOS apps using Swift/SwiftUI or Unity for interactive 3D experiences, Node.js/Firebase/Supabase for real-time backends, and WebSocket-based live communication. My focus will be on combining immersive animation with precise real-time auction mechanics. Let’s connect to review auction timing rules, animation style, and payment workflow so we can finalize the MVP scope and roadmap. Best regards, Nikita Gupta.
$3,000 USD dalam 45 hari
5.3
5.3

Building a lively auction app with a 3D cartoon host is a fun challenge I’ve tackled before in a different e-commerce setting where we needed animated feedback during live sales. For real-time bidding with smooth, under-300ms latency at scale, I’d suggest using WebSockets through a Node backend or Firebase’s real-time database—both can meet your performance needs. I plan to implement scheduling with calendar integration so sellers can easily pick and manage auction slots, plus push notifications to boost attendance. For the 3D host, Unity would let us create a lightweight, friendly cartoon character that loads quickly without full motion capture, which fits your style and performance goals. Audio callouts can be synced to bid events to keep bidders engaged. Would you prefer a Unity-based front end paired with Firebase for quicker development, or a fully native SwiftUI app with a custom backend? Also, do you have existing 3D models or should I help source or create them? I understand the importance of a clean, App Store-compliant iPhone layout and secure Stripe/Apple Pay checkout integrated directly in the bidding flow. I’m ready to start building an elegant, responsive auction experience that keeps users coming back.
$4,000 USD dalam 7 hari
5.4
5.4

Hi, I can build your iOS-only live auction marketplace with a fun, 3D animated host that keeps bidding lively and real-time. I’d recommend Swift + SwiftUI for the app for native performance and smooth 3D integration, paired with Node.js + WebSockets or Firebase for low-latency real-time bids. Unity could be used for the animated host if needed. ✅I’ll deliver: Seller flow: list item → schedule → publish Push notifications and auction reminders Live auction room with animated host, real-time bidding, audio cues, and winner processing Secure Apple Pay / Stripe payments Performance-optimized 3D animation Complete source code, 3D assets, and documentation I’ve built real-time auction-like apps and interactive 3D features on iOS before. Quick question: do you want the 3D host to be reusable for multiple auction types or unique per auction?
$4,000 USD dalam 7 hari
4.5
4.5

Hello, Your concept of a real-time auction app with a 3D animated host is unique and highly engaging—I can deliver a scalable, high-performance solution tailored for iOS. **Proposed Architecture:** • **Frontend:** SwiftUI (core app) + Unity (for 3D auctioneer integration) • **Backend:** Node.js + WebSockets (low-latency bidding engine) • **Database:** PostgreSQL/Firebase (real-time sync & scalability) • **Payments:** Stripe + Apple Pay • **Notifications:** Firebase/APNs **Core Implementation:** • Seller flow: listing creation, scheduling, media upload, pricing • Auction engine: real-time bidding (<300ms latency), room-based participation • 3D host: optimized Unity model (fast load <2s), animated gestures + audio cues (“Going once…”) • Live room: synchronized bid updates, participant handling (3–300 users) • Buyer flow: follow auctions, notifications, secure checkout on win • Admin controls for moderation and monitoring **Performance Focus:** • WebSocket optimization for instant bid propagation • Lightweight 3D assets for smooth rendering on mid-range iPhones • Stress-tested architecture for concurrent sessions **Deliverables:** • Full source code (app + backend) • 3D assets and integration setup • Documentation for deployment and scaling I have experience building real-time systems and interactive apps, ensuring both performance and engaging UX. Let’s bring this dynamic auction experience to life. Best regards, Amaan Khan P. CUBEMOONS PVT LTD.
$4,000 USD dalam 7 hari
4.6
4.6

Hello, your idea for a live auction marketplace with a 3D host is exciting and very doable with the right approach. I have experience building real time apps with interactive elements and can deliver a smooth iOS product where auctions feel fast, engaging and reliable. I would use a performant stack that ensures low latency bidding, seamless push notifications and secure payments, while integrating a lightweight 3D character that feels lively without slowing the app. The full flow from listing to live auction and payment will be clean and intuitive. I can also handle testing, deployment and App Store readiness, and share similar real time project experience along with a clear development timeline.
$4,000 USD dalam 7 hari
4.2
4.2

As the founder and CEO of Web Crest, I lead a team of talented and experienced professionals who can turn your concept into a high-performing digital reality. With over a decade in the industry, my expertise in iOS development and mobile app development is augmented with an ability to empathize with your business needs - a quality that has been universally appreciated by my clients. We have considerable experience working with Swift and SwiftUI for native iOS app development, making us an ideal fit for this project. However, if you require a cross-platform engine like Unity or Unreal, we are competent in those too. Rest assured, in every scenario, we guarantee flawless performance on iOS - be it native or cross-platform. Your animated auctioneer can become the charismatic lifeblood of your app - drawing bidders in and keeping them engaged. My team's strong background in 3D modeling, animation, and UI/UX design brings the capability to create this host character with just the right mix of fun, friendliness and energy- infusing life into your auctions without incapacitating device performance. Being well-versed in cloud technologies such as Firebase and Node/Express with websockets also allows us to ensure low latency for real-time bids
$3,000 USD dalam 7 hari
3.8
3.8

Hello! I am a Florida-based senior software engineer with extensive experience in mobile app development, particularly for iOS. I carefully read your project description regarding the Cartoon Auctioneer app and I'm excited about the opportunity to help bring your vision to life. With over 15 years in the industry, I specialize in building efficient and user-friendly applications. I have worked on similar projects, such as a marketplace app for a local art community and a scheduling app that allows users to auction items at specific times. My skills in Objective C, Swift, and Node.js, combined with my experience in Unity 3D, position me well to deliver a high-quality product. Could you please clarify the following questions to help me better understand the project? 1. What specific features do you envision for user interactions during the auction process? 2. Are there any design preferences or branding guidelines you'd like me to follow? 3. What is your timeline for this project, including any critical milestones? I believe in clear communication and structured milestones, ensuring we stay aligned throughout the development process. I’m dedicated to creating a robust app that meets your goals and exceeds user expectations. Looking forward to discussing this further! - James
$4,000 USD dalam 14 hari
3.4
3.4

As an experienced and versatile Mobile App Developer, I have a deep understanding of both iOS Development and Swift programming which are crucial for the successful completion of your project. I am also well-acquainted with backend technologies like Node.js, Firebase, and websockets, making me adept at developing real-time applications with low latency. Such proficiency would be invaluable in ensuring that bids propagate swiftly to participants even during high-stress periods. Beyond proficiency with the technical aspects of your project, I bring a unique blend of skills in user interface and user experience design. This includes wireframing, prototyping and responsive design using tools like Figma and Adobe XD. The resulting engaging designs, 3D model files, and smooth animatic transitions on modern iPhones would enrich the experience of users in your marketplace. My additional expertise in payment integration systems such as Stripe and Apple Pay would also guarantee a seamless end-to-end flow from bid win to settlement. Throughout my career, quality work and bug-free code have been my topmost priorities alongside meeting complex requirements such as those of your project. Let's connect to discuss how I can contribute effectively to your app CommandType: Thanks, Jay
$4,000 USD dalam 7 hari
3.6
3.6

Hi there! Your concept for a Cartoon Auctioneer app is a fantastic opportunity to merge high-stakes marketplace logic with a unique, stylized user experience. Having developed several high-performance iOS applications using Swift and SwiftUI, I understand the intricacies of building real-time auction systems where millisecond-level synchronization and state management are critical. I recently completed a niche marketplace project that utilized dynamic scheduling and live state updates, ensuring that users never missed a closing window, which aligns perfectly with your requirement for exact-time scheduling and auction management. To ensure a seamless experience on iOS, I will build the core architecture using SwiftUI for a modern, responsive UI, paired with Firebase Realtime Database or WebSockets to handle live bid increments without page refreshes. I’ll implement a robust backend scheduling system using Cloud Functions or a dedicated Node.js worker to trigger auction starts and ends precisely, while integrating Apple Pay and Stripe for secure, one-tap transactions. For the auction visuals, I’ll leverage Lottie animations to bring that specific "Cartoon Auctioneer" vibe to life without compromising app performance, ensuring the interface remains snappy, engaging, and capable of handling high-concurrency bidding during peak auction times. I have a couple of quick questions to ensure we’re aligned: Will you be implementing a "Buy It Now" feature alongside the timed auctions, or is it strictly bidding-based? Also, do you have specific brand assets for the cartoon aesthetic, or should we discuss custom UI/UX design? I’d love to chat further or hop on a quick call to refine the technical roadmap and see how we can make this launch a success.
$4,448 USD dalam 21 hari
3.1
3.1

Hi there, I will build your iOS auction app — seller listing with scheduling, push notifications, live auction rooms with a stylized 3D cartoon auctioneer, real-time bidding, and Stripe/Apple Pay payment on hammer drop. SwiftUI for the marketplace UI with Unity embedded for the 3D host, and WebSockets on the backend for sub-300ms bid propagation. For the 3D auctioneer, I will build a lightweight rigged character with looping animations (calling bids, gestures, hammer drop) and audio triggers synced to bid events — this keeps the model under 2 seconds load on mid-range devices without sacrificing the lively feel. Questions: 1) Do you have a character design or art style reference, or should I propose concepts? 2) Should the auction room support text chat between bidders, or bids only? 3) Backend preference — Firebase, Supabase, or custom Node/Express? Looking forward to discussing further. Best regards, Faizan
$3,200 USD dalam 7 hari
2.9
2.9

Hi, This is a really unique concept — combining a live auction system with a 3D animated host requires both strong real-time backend architecture and smooth client-side rendering. I’ve worked on real-time systems and interactive applications, and I can help you build this end-to-end with a focus on performance, low latency, and a seamless user experience on iOS. I can approach this by: * Building the iOS app using Swift/SwiftUI or Unity (for smooth 3D auctioneer rendering) * Developing a real-time bidding system using Node.js with WebSockets or Firebase for sub-300ms updates * Implementing auction scheduling, notifications, and live room logic * Integrating secure payments via Stripe or Apple Pay * Ensuring optimized loading of the 3D character and smooth animations For scalability, I would design the backend to handle concurrent users efficiently while maintaining real-time synchronization across all bidders. Quick question: Do you already have a 3D model/animation for the auctioneer, or should I handle that as well? This is an exciting product, and I’d love to help bring it to life with a stable and engaging experience. Best regards, Himanshu
$4,500 USD dalam 40 hari
2.0
2.0

Timing real-time bids and a cheeky 3D auctioneer without lag is the crux of this app, and it’s exactly the fun problem I like to solve. I can make the host feel lively while keeping every bid within your 300 ms target. The best thing about me is I’ve worked on a very similar project recently, building a live marketplace where sellers scheduled listings, buyers joined live rooms, and a Unity host animated interactions while WebSockets synchronized bids. I handled photo uploads, scheduled slots, push reminders, and Stripe settlement end-to-end. I understand the core flow: seller lists and schedules, followers get notified, auction room opens with a lightweight Unity/SwiftUI host, bids stream via Node/Express or Supabase realtime, server-authoritative bid processing, then payment via Apple Pay/Stripe and receipts delivered. I’ll optimize 3D asset streaming and WebSocket scaling to hit the 2s load and <300 ms RTT targets. Do you want server-side bid authority with anti-sniping logic or a simple extend-on-last-bid rule? Also, any preferred 3D asset format or animator on your side? If that sounds good, let’s chat or jump on a quick call to nail milestones and handover details. Regards Ali Zain!!
$4,000 USD dalam 7 hari
0.0
0.0

Matthews, United States
Ahli sejak Mac 31, 2026
$750-1500 USD
$30-250 USD
₹1500-12500 INR
$1500-3000 USD
$250-750 USD
$250-750 USD
₹1500-12500 INR
£20-250 GBP
$750-1500 USD
₹37500-75000 INR
$250-750 USD
$250-750 USD
$250-750 USD
₹12500-37500 INR
$250-750 USD
$30-250 USD
₹12500-37500 INR
₹1500-12500 INR
$30-250 USD
$250-750 USD