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I’m creating a real-money mystery-box experience for physical collectibles: users purchase a sealed “vault,” a weighted random draw reveals the exact item they’ve won, and they then choose to Keep it, Sell it back at 85 percent of its value, or Ship it home. Think IcyBox’s watch concept, but applied to a broader collectibles catalogue. The scope • Fully featured iOS and Android apps built with a single codebase or two native builds—whichever you recommend for long-term stability and rapid feature iteration. • Server-side logic for payment processing, provably fair weighted randomisation, inventory tracking and real-time order status. • A merchant dashboard where I can upload new stock, set probabilities, monitor vault sales and handle customer support tickets. • Post-reveal flows: automated resale crediting at 85 %, integrated shipping label generation, and an in-app wallet where users hold balances for future vaults or cash-outs. • Compliance: age verification and gambling-style licensing requirements handled upfront, with transparent odds displayed before purchase. Key integrations Coinflow, Stripe (or similar) for card and Apple/Google Pay, Shippo or EasyPost for postage, Firebase/Firestore or an equivalent real-time database for fast inventory updates, plus a cloud function layer for randomness auditing. Deliverables 1. Universal iOS and Android binaries ready for App Store and Play Store submission 2. Backend (API + database) deployed to AWS, GCP or Firebase with infrastructure-as-code scripts 3. Admin web panel (lightweight React is fine) 4. Complete test suite, fairness verification routine and basic UX analytics hooks 5. Launch documentation and a handover session Acceptance criteria • A user can purchase, reveal, and exercise any of the three post-reveal options without manual intervention. • Inventory counts stay consistent across concurrent transactions. • Odds and payout percentages display exactly as configured in the admin panel. • App passes App Store and Play Store review under their real-money policies. If you’ve shipped a loot-box, raffle or trading-card breaker app before, your expertise will be invaluable. Include two relevant live links and outline the stack you’d propose so we can align on architecture quickly.
Project ID: 40598977
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245 freelancers are bidding on average $3,947 USD for this job

Hello, My name is Omer and I would be thrilled to take on your Mystery-Box Collectibles App Build project. With my extensive experience in developing end-to-end solutions, focusing on performance, scalability, and real-world usability while leveraging modern technologies such as Flutter, Android, iOS, Python, and more, I am confident that I can bring your unique concept to life in the most efficient and enjoyable way possible. Having created various mobile applications comparable to your proposed design - such as loot-boxes and raffles - I have a deep understanding of the granular complexities of these projects. Not only can I develop a fully featured iOS and Android app for you with rapid feature integration capabilities like Firebase/Firestore for real-time inventory updates but also create the backend system, server-side logic for payment processing, establish compliance with age verification protocols and more. Let's chat to proceed.
$3,800 USD in 20 days
8.9
8.9

Hi — Elias here from Miami. Creating a mystery-box app for collectibles is an intriguing project. The goal is to deliver a seamless experience while ensuring secure transactions and engaging interactions with the products. What usually matters most here is balancing user experience with system reliability. A common issue in apps like this is managing real-time inventory and payment processing without compromising security. The tricky part is usually around integrating a robust backend that handles user roles and permissions effectively while allowing for scalability. My approach would involve structuring the app with a solid API for backend interactions, focusing on maintainability and easy updates. I would prioritize using a secure payment gateway and implementing state management to ensure a smooth purchasing experience. I’ve worked on similar systems, including e-commerce platforms with complex inventory and payment integrations, which gives me insight into potential pitfalls. A few questions to better understand the scope: Q1 – What user roles and permissions do you envision for the app? Q2 – How do you plan to manage the inventory for the mystery boxes? Q3 – Are there specific payment gateways you prefer for transactions? Happy to discuss the details and suggest the best technical approach. Looking forward to hearing from you.
$4,000 USD in 17 days
8.5
8.5

HELLO, WE HAVE WORKED ON SIMILAR REAL-MONEY E-COMMERCE, RANDOMIZED REWARD, WALLET, AND INVENTORY MANAGEMENT PLATFORMS AND CAN SHARE RELEVANT EXAMPLES. I understand you’re building a mystery-box collectibles platform where users purchase a sealed vault, receive a provably fair weighted draw, and then choose to Keep, Sell Back at 85%, or Ship the physical item. The key challenge is combining real-money payments, fairness auditing, inventory consistency, wallet accounting, and App Store compliance into a single scalable system. I have 8+ years of experience in Flutter, React, Node.js/NestJS, Firebase, AWS/GCP, payment integrations, wallet systems, real-time databases, and high-concurrency transactional architectures. I can build a production-ready platform that supports secure purchases, audited randomness, automated resale crediting, shipping workflows, and a merchant dashboard for inventory and odds management. I will deliver the complete mobile apps, backend APIs, provably fair randomness engine, wallet system, shipping automation, admin dashboard, analytics hooks, test suite, deployment scripts, and full source code with launch documentation. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, AND ASSISTANCE FROM DEVELOPMENT TO APP STORE & PLAY STORE PUBLISHING. Thanks, Christina
$3,000 USD in 7 days
8.4
8.4

With over a decade of experience in full-stack architecture and high-scale systems, I understand your goal of creating a real-money mystery-box collectibles app with complex features like weighted random draw, resale options, and automated shipping. My background in developing high-security systems and scaling platforms for over 1 million users directly applies to the challenges of your project, ensuring secure transactions and seamless user experiences. For strategic insight, I recommend leveraging a cloud function layer for randomness auditing to ensure fair gameplay. I have successfully developed and scaled similar projects, such as Telegram Mini Apps, serving a large user base, proving my ability to handle the complexity of your project requirements. I encourage you to contact me to discuss the roadmap for your Mystery-Box Collectibles App Build. I am confident in my ability to deliver the iOS and Android apps, server-side logic, merchant dashboard, and key integrations you need to bring your idea to life successfully. Let's collaborate to create a cutting-edge solution that meets your expectations within your budget and timeframe.
$4,000 USD in 45 days
8.3
8.3

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your mystry box project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
$3,000 USD in 35 days
8.0
8.0

Greetings! I bring 8+ years of experience, serving 100+ clients, specializing in mobile app development, particularly in building engaging and secure experiences like the Mystery-Box Collectibles App. I'm excited to discuss this project and share my portfolio, highlighting my expertise in developing similar loot-box and raffle apps. Let's collaborate to bring your vision to life! Looking forward to collaborating with you! Best regards, M H B
$3,000 USD in 14 days
8.2
8.2

Hey, i will build a clean and professional mobile application for your mystery-box collectibles platform that is focused on improving user experience, building trust, and helping you grow your customer base. I will work on the required iOS and Android solution with a scalable architecture for purchases, weighted randomisation, inventory management, wallet system, shipping flow, admin dashboard, payment integrations, and real-time updates. I will ensure secure backend logic, transparent odds handling, testing, and a smooth user journey from vault purchase to reveal and delivery options. i am interested to doing this work and i am agree with your budget. Do you already have a preferred technology stack or any reference apps you want me to follow for your project? portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards: Hammad Hassan
$3,000 USD in 15 days
7.3
7.3

Your product needs more than a reveal animation: it needs a transaction-safe real-money collectible marketplace where a sealed vault is purchased, an audited weighted draw assigns one physical item, and the user can keep, sell back for exactly 85%, or ship it without staff intervention. I would build the apps in React Native for a shared iOS/Android codebase and fast iteration, with a React admin panel. The backend would use TypeScript services on AWS or Firebase, Postgres/Firestore transactions for inventory reservation and order states, and a ledger-based wallet so credits, purchases, resale, and cash-outs are traceable. For fairness, each draw will use server-side cryptographic randomness with immutable audit records; configured odds and payout data will be published before checkout and verifiable after reveal. I’ll integrate Stripe/Coinflow payment flows including Apple Pay/Google Pay, Shippo or EasyPost labels and tracking, plus role-based dashboard tools for stock uploads, probability configuration, sales, and tickets. I will also include automated tests for concurrent purchases, analytics events, deployment scripts, store-ready builds, documentation, and handover. Age gates and compliance screens can be implemented, while licensing requirements should be validated against your launch jurisdictions before release. Muhammad Saad
$4,000 USD in 30 days
7.0
7.0

Have developed similar mystery box app Hi, I will build a cross-platform iOS and Android application with a secure backend that manages mystery box purchases, weighted random item reveals, inventory, wallet, shipping, and resale flows. The platform will also include a React-based admin dashboard, payment and shipping integrations, fairness auditing, and a scalable cloud infrastructure ready for production. I’ve worked on several real-money gaming and casino platforms. Due to NDA, cant share project links here but will share on chat. A few questions: * Will the collectible inventory be managed entirely through the admin panel, or will it sync with an external inventory system? * Have you already selected the KYC/age verification provider, or would you like recommendations? * Will users be able to cash out directly to their bank accounts, or only through the in-app wallet? I’d love to discuss your roadmap and help you build a secure, scalable platform that’s ready for launch. Thanks! Purnima
$4,000 USD in 25 days
6.8
6.8

Respectfully, I understand you need a complete real-money collectible vault platform with mobile apps, secure backend systems, inventory management, and a transparent reveal experience. The key priorities are a reliable purchase flow, provably fair randomness, smooth post-reveal options, and compliance-ready architecture for long-term growth. I can help design and build a scalable solution with clean, well-commented code, strong security practices, responsive interfaces, performance optimisation, and quality testing. The stack can be planned around Flutter/React Native, cloud infrastructure, payment integrations, real-time databases, and an admin dashboard tailored to your operations. I value clear communication, structured milestones, and timely delivery throughout development. I’d be glad to discuss your preferred approach, compliance requirements, and the architecture needed to create a stable launch-ready platform. Best regards, Zain Ali
$3,000 USD in 7 days
6.4
6.4

With over 8 years of professional mobile app development experience, I have transformed a multitude of unique ideas into successful realities. My areas of expertise include highly customizable and complex Android applications, making me well-suited for your Mystery-Box Collectibles App Build project. Having served clients around the globe, including Australia, Canada, USA, Europe, UK, and UAE, I understand the unique demands and varying regulations imposed by different regions. This global exposure equips me to assist you in safely navigating compliance requirements like age verification and gambling-style licensing. Your project will require sophistication in both frontend and backend development. My skill set includes not just proficiency in iOS and Android platforms but also extends to server-side logic and backend development. This holistic understanding of the project scope makes me the best fit for this role as I can seamlessly connect the dots between different components of your mystery-box experience. Furthermore, my deep understanding of using APIs like Coinflow and Stripe for payment processing can significantly ameliorate your entire real-money system.
$3,000 USD in 35 days
6.6
6.6

With a wealth of experience in both mobile app development and backend/API integration, I am confident that I can deliver the exact functionality you need for your Mystery-Box Collectibles App. I have previously built complex systems involving real-time databases (like the Firestore you've mentioned), REST APIs for payment processing (including Stripe), and backend functions for auditing randomness - skill-sets crucial to your project. In addition, I bring to the table a deep understanding of natural language processing (NLP) as well as my proficiency in cloud-based platforms like Firebase or AWS. These capabilities will be vital when implementing compliance features such as age verification and transparent probability displays. Moreover, my previous works on AI-enabled applications and IoT data platforms align with the intelligent nature of your project, which necessitates weighted randomization and maintaining consistent inventory counts across concurrent transactions. Through this, I can deliver the fully featured iOS and Android apps you require, while potentially using a single code-based stack focusing on stability and rapid feature iteration. Let's build an incredible tool to turn collecting into a thrilling experience for your users!
$4,000 USD in 45 days
6.6
6.6

Hi, I will develop a secure mystery-box collectibles platform with cross-platform iOS and Android apps, a scalable backend, and an admin web dashboard for inventory, probability management, sales monitoring, and customer support. The platform will support real-money purchases, provably fair weighted randomization, in-app wallet, resale at 85% value, shipping integration, and real-time inventory synchronization. Compliance features such as age verification, transparent odds display, and payment integrations with Stripe/Coinflow will be implemented from the beginning. I recommend Flutter for mobile, React for the admin panel, and a cloud-based backend on AWS or Firebase to ensure scalability, performance, and rapid feature updates. Estimated timeline: 14–18 weeks. Let's discuss further. Regards, SNR
$4,000 USD in 7 days
6.9
6.9

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) with about 15 years of experience building production apps, APIs, and payment-driven platforms. I read your Mystery-Box Collectibles App details carefully, and the main goal is clear: create a smooth real-money experience for physical collectibles that feels exciting, fast, and reliable. I’d approach it in practical phases: 1. Confirm user flow, payment rules, and box logic 2. Build secure backend APIs for inventory, purchases, randomness, and order tracking 3. Develop the iOS/Android app with a clean UI 4. Integrate payment processing and handle edge cases 5. Test for security, performance, and launch readiness I’ve built similar app and backend systems with payments, inventory logic, and live transaction flows, and I know these projects succeed only when the details are handled properly. I’m the kind of person who catches the small things early so we avoid costly rework later. Could you please clarify the following questions to help me better understand the project? 1. How should the mystery-box outcome be determined and audited for fairness? 2. Will users be able to resell, trade, or withdraw physical items after opening? 3. Do you already have the inventory, fulfillment flow, and payment processor selected? Relevant work includes a collectibles marketplace app, a subscription box mobile app, a payments-based auction platform, and an inventory-linked order management system.
$4,200 USD in 15 days
6.3
6.3

Hi there, Hope you are doing well I'd love to help build your Mystery-Box Collectibles Platform. Our team has extensive experience developing secure fintech, eCommerce, marketplace, and real-time mobile applications with payment gateways, wallet systems, inventory management, and scalable cloud infrastructure. Why We're a Good Fit Experience building Flutter cross-platform apps with scalable Node.js backends Expertise in payment gateway integration (Stripe, Apple Pay, Google Pay) Strong knowledge of secure wallet systems, inventory management, and real-time synchronization Experience with AWS/Firebase, REST APIs, role-based admin panels, and cloud deployment Clean, maintainable code with complete documentation and post-launch support Recommended Tech Stack Mobile: Flutter (iOS & Android) Backend: Node.js (NestJS/Express) Database: PostgreSQL + Firebase Firestore (Real-time updates) Admin Panel: React.js Cloud: AWS Payments: Stripe, Coinflow Shipping: Shippo / EasyPost Notifications: Firebase Cloud Messaging (FCM) What We'll Deliver Production-ready iOS & Android applications Secure backend with weighted randomization, wallet, inventory, and order management Admin dashboard to manage products, probabilities, users, inventory, and support Payment, shipping, wallet, and analytics integrations Complete source code, deployment scripts, testing, documentation, and launch support Looking forward to discussing your project in detail. Thanks & Regards, Dheeraj K.
$3,000 USD in 7 days
7.0
7.0

Hi there, You're building a complete mystery-box platform where secure payments, fair randomization, inventory, wallets, shipping, and compliance all need to work together flawlessly. I'd approach this by first planning a scalable architecture, then developing the mobile apps, secure backend, and admin dashboard together. Every part—from payments and weighted draws to inventory, wallet balances, shipping, and analytics—would be thoroughly tested before launch to ensure a smooth user experience. I've worked on full-stack platforms with payment gateways, real-time systems, API integrations, and scalable backends where reliability and security were critical. I'd assume you already have the business rules for the mystery boxes and initial product catalogue ready, but if anything is still evolving, the platform can be built to support future expansion. I can start by delivering the UI prototypes and backend foundation first, so we can validate the core workflow before moving into full development.
$4,250 USD in 60 days
6.0
6.0

Hi, I can build this as a cross-platform Flutter app with a secure backend using Node.js or Python, PostgreSQL, Redis, AWS, and a React admin dashboard. The platform would cover vault purchases, auditable weighted reveals, inventory locking, wallet balances, 85 percent sell-back, shipping labels, payments, support workflows, analytics, and real-time order updates. My approach would start with compliance and payment-provider validation before development, since real-money mystery-box products can face licensing and App Store restrictions. I would then define the fairness model, transaction ledger, concurrency controls, wallet rules, and admin probability management before implementing the mobile experience. You will receive tested iOS and Android builds, deployed infrastructure, infrastructure-as-code, documented APIs, fairness verification tools, and full handover documentation. I can share relevant private marketplace and payment platform examples during discussion. Best, Justin
$4,000 USD in 20 days
6.2
6.2

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Mobile App Development, iPhone, Android, iPad, iOS Development, Backend Development, API Development, Payment Processing and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$4,219 USD in 5 days
7.5
7.5

I am excited about your Mystery-Box Collectibles App Build project, as it creatively blends e-commerce with an engaging gaming experience. With a clear focus on user engagement, it's essential to ensure a seamless purchasing and revealing process. I recommend a hybrid app development approach using React Native, which will facilitate a unified codebase while still allowing access to native features for optimum performance across both iOS and Android platforms. Your outlined deliverables, including the robust backend logic and merchant dashboard, align perfectly with my experience in developing similar applications. I've worked on projects like loot boxes and trading card breakers successfully, ensuring compliance with payment and gambling regulations. You can check out my previous work here: [link1] and [link2]. To ensure we cover all bases, What specific features are you prioritizing to enhance user retention in the app? I look forward to discussing this project further and turning your vision into reality. Best regards, Talha
$3,000 USD in 11 days
5.7
5.7

Hello! As per your project post, you are looking to build an Real Money Mystery Box App for physical collectibles where users purchase sealed vaults, receive provably fair weighted random rewards, and can choose to keep, resell, or ship their winnings. The platform should include feature rich iOS and Android applications, a scalable backend, a merchant dashboard, secure payment processing, inventory management, in app wallet functionality. My approach would begin with designing a secure and scalable system architecture, followed by developing cross platform mobile applications, implementing provably fair weighted randomization with audit logging, integrating payments, wallet management, inventory and shipping services, building a comprehensive merchant dashboard, implementing compliance features, and thoroughly testing the platform for security, performance, and reliability before deployment. I specialize in Flutter, Node.js, PostgreSQL, Firebase, REST APIs, Stripe, Coinflow integration, Shippo, EasyPost, cloud functions, secure payment systems, real time applications, and scalable e commerce platform development. My focus will be on delivering a secure, transparent, and highly scalable mystery box platform with provably fair randomization, seamless payment flows, and an engaging user experience. Let's connect to discuss your requirements and build a secure, compliant, and scalable mystery box platform with a premium user experience. Best regards, Nikita Gupta
$3,000 USD in 45 days
5.8
5.8

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