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Project: Two-Way Anonymous Messaging Web App Overview I am seeking a developer to build a two-way messaging web application that enables people to communicate anonymously by scanning a QR code. The goal is to facilitate communication without exposing personal contact information. The application can be thought of as an anonymous "Lost and Found" messaging system. For example, I can place a QR code sticker on my wallet. If someone finds it, they scan the code, send me a message, optionally share their location, and even provide contact information if they want a reply. All communication occurs through the web app — no direct exchange of email addresses or phone numbers. Core Functionality QR Code Activation & Ownership Each QR code corresponds to a unique URL in the format [login to view URL], where the UID is a random 5-digit code. When a QR code is scanned for the first time, the user is prompted to register as the Owner of that code and assign a title (e.g., "Wallet", "Backpack"). Subsequent scans by others display an item page where a Finder can send a message to the Owner. Anonymous Two-Way Messaging Finders can optionally provide an email address or phone number to receive replies. Owners and Finders exchange messages through the app. Notifications are sent via email, text, or both. Both parties remain anonymous — no direct personal information is revealed unless voluntarily provided. User Authentication Owners and Finders can sign in using a one-time link sent via email or SMS. Users may also create an account with a username and password. Password reset should be available via email/SMS link. Pages & Features 1. Landing Page Displays site branding, introductory graphics, and key statistics: Total registered users Total messages sent Total active QR codes Allows sign-in via email/phone link or username/password. Owners can reset passwords using a verification link. 2. User Dashboard (Owner Page) View all registered QR codes and manage associated items. Features include: View, reply to, block, unsubscribe from, or delete message threads. Search messages by keyword. Register QR codes by scanning them. Set a greeting message or story with an optional image. Option to auto-delete messages after X days. If GPS location is provided by Finder, click-to-map functionality is available. Ability to request or generate QR codes directly or purchase through an Etsy store. Add or remove additional people in the message chain. 3. Finder Page Appears when someone scans a QR code. Displays the Owner’s greeting or item title. Finder can: Send a message to the Owner. Optionally include an email/phone for a response. Optionally attach GPS location. Potential future feature: upload an image with the message. 4. Admin Page View, search, and manage all users and messages. Export QR code data (URL/UID codes) to Excel. On initial scan, ensure each code is assigned to an Owner. Send mass email or SMS messages to Owners or Finders. Edit footer text in all outbound messages. Development Notes Messaging must be reliable and secure (recommendations welcome on best delivery method for email/SMS). The system should be scalable and ready for future conversion into a mobile app. Proposal Requirements Provide a detailed bid amount for completing the project — no placeholders or auto-responses. Include an estimated timeframe to complete development. Send a personalized response confirming you understand the functionality outlined above. I’m interested in building a long-term partnership with the developer to evolve this platform.
Project ID: 39695247
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Active 9 mos ago
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249 freelancers are bidding on average $669 USD for this job

Hello, I have thoroughly reviewed your vision for a QR Code-based Anonymous Messaging App. It sounds like an innovative way to facilitate communication while keeping identities private. My approach would involve creating a user-friendly web interface with four distinct pages to ensure smooth navigation and functionality. The app will focus on secure message exchanges between users while prioritizing anonymity through QR codes. Additionally, I can implement features like tracking registered users, managing messages, and providing location-based services efficiently. Could you clarify how you envision the user registration process working, especially regarding email and phone verification? Thanks, Muhammad Awais
$750 USD in 13 days
9.5
9.5

Just like a lost wallet found by the right person, this project is about creating a bridge without revealing the street address — a safe, anonymous two-way channel between people who need to connect, powered by nothing more than a QR code. I’ve gone through your requirement in detail and fully understand what you’re looking for — a secure, user‑friendly, and scalable anonymous messaging platform with QR code activation, two-way messaging, owner/finder roles, and admin control. Here’s how I’ll deliver: Core Build - QR Code Claiming & Linking: Each code maps to a secure unique URL (5-digit UID). First scan → Owner registration + title assignment; subsequent scans → Finder form. - Anonymous Messaging Engine: Owner/Finder exchange messages inside the platform. Email/SMS notifications without exposing real contacts. Optional GPS & contact sharing. - One‑Time Link Login & Accounts: Email/SMS login, optional username/password, password resets, secure token handling. - Owner Dashboard: Manage codes, greeting/story with image, search messages, map clicks for GPS, auto-delete policies, QR code purchase link. - Admin Panel: Manage users/messages, export QR data to Excel, assign codes, mass notifications, footer editing. If you’d like, I can prepare a clickable workflow prototype so you can visualize the Owner/Finder/Admin experience before we start. Do you want me to include image upload for Finder messages in MVP, or reserve it for Phase 2? Best Regards, Athar
$500 USD in 7 days
9.6
9.6

Hello , Nice to meet you! I will design and develop QRCODE BASED MESSAGING mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$250 USD in 28 days
9.0
9.0

With my extensive experience, CnELIndia will be the perfect partner for your project. We take pride in delivering high-quality solutions within budget and on time. Our masterful skills in PHP, React Native and Web Development will enable us to realize your vision of an anonymous messaging app with QR code integration. We understand that privacy is paramount in your described application, which is why CnELIndia's expertise in handling sensitive user data securely will be invaluable to this project. Alongside registration with a link sent to phone or email, users can also create accounts via usernames and passwords, giving them the flexibility to choose their preferred sign-in method. Additionally, we have the ability to create four distinct webpages you envision. A well-designed Landing Page showing relevant stats is few of many things we can do to help meet your requirements. The User Page you detailed is another area where we excel; facilitating features like viewing, replying, blocking/unsubscribing, and searching messages for text matches, making use of GPS coordinates
$500 USD in 7 days
9.1
9.1

I can develop a secure, scalable two-way anonymous messaging web app with QR code functionality as described. The system will allow QR code ownership registration, anonymous messaging with optional contact info and GPS, and include Owner, Finder, and Admin dashboards with full message management. Email/SMS notifications, passwordless login links, and future-proof architecture for mobile app expansion will be implemented, ensuring privacy and reliability. I can provide a detailed timeline and cost estimate, and I’m committed to a long-term collaboration to further evolve the platform.
$500 USD in 7 days
8.4
8.4

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat, where I can also share relevant examples of my past work. I'm looking forward to hearing back from you! Best Regards, Divu.
$700 USD in 7 days
8.2
8.2

Hello there, I can build your two-way anonymous messaging web app where QR codes link to unique item pages, allowing finders to message owners without revealing personal contact details. Owners can register codes, manage items, reply to messages, and receive notifications via email/SMS. Finders can send messages, optionally share contact info or GPS location, and remain anonymous unless they choose otherwise. The platform will have secure authentication, an intuitive owner dashboard, a streamlined finder page, and an admin panel for full system oversight. The system will be scalable and ready for mobile app integration. Questions: – Which tech stack do you prefer for scalability (e.g., Node.js + React, Laravel + Vue)? – Should I implement integrated payment for QR code purchases or link to your Etsy store? I am a TOP Rated Freelancer, and you can check my past work and reviews here as well: https://www.freelancer.com/u/kamran2012 Looking forward to potentially working together on this project. Thanks and Best regards, Kamran
$300 USD in 10 days
8.5
8.5

Hello, On behalf of Global Technosys, with over 18 years’ experience delivering innovative web and mobile solutions, I am pleased to present our proposal for your anonymous two-way messaging platform. Our expert full-stack team has developed secure, scalable applications for over 1,000 clients, including messaging, QR integration, and location-based services. .Key features we can deliver include: -QR Code-based Owner–Finder Communication -Anonymous Messaging with Optional GPS & Media Sharing -Email/SMS Notifications -Admin Dashboard & User Management -Responsive, Mobile-First Design Regarding budget, while we understand delivering a secure, high-quality system with all proposed features realistically requires $1,800–$2,000. The revised budget accounts for secure infrastructure, professional UI/UX design, and thorough testing to ensure reliability. Cutting corners here risks performance, security, and user trust. We would be delighted to discuss next steps and demonstrate how Global Technosys can turn your idea into a robust, user-friendly product. Best regards, Devender Negi Global Technosys
$1,800 USD in 35 days
8.2
8.2

I would like to develop a long-term relationship and possibly roll this into a device based app in the future. I am a Mobile Application developer having 7 years of work experience with the expertise of React native/Xamarin/ Flutter/ Java and Kotlin (android) /Swift and objective (iOS )/ XML and Android XML Layouts (Android)/ Interface Builder and Storyboards (iOS). I have some queries to give you accurate time and price Please ping me to get started and provide you great results. Thanks
$1,000 USD in 7 days
8.2
8.2

⭐⭐⭐⭐⭐ Build a Two-Way Anonymous Messaging Web App with QR Codes ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a developer to create a two-way anonymous messaging web app. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for web applications. I will build a secure platform that allows users to communicate anonymously through QR codes, ensuring no personal information is shared unless desired. ➡️ Why Me? I can easily create your two-way messaging app as I have 5 years of experience in web development, specializing in secure messaging systems, user authentication, and QR code functionality. My expertise includes front-end and back-end development, ensuring a smooth and reliable user experience. I also have a strong grip on database management and data security, making your project efficient and secure. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Web Development ✅ QR Code Integration ✅ User Authentication ✅ Database Management ✅ Front-end Development ✅ Back-end Development ✅ API Development ✅ Secure Messaging Systems ✅ Responsive Design ✅ UX/UI Design ✅ Email/SMS Notifications ✅ Project Management Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.8
7.8

With over a decade of experience in full-stack web development, my team and I at TopIThuB are perfectly suited to handle your QR code-based anonymous messaging app. We've got the right mix of creativity and know-how to bring your vision to life. Our robust skills in Android, HTML, PHP, and overall web development align perfectly with your project's requirements. Your idea of a "lost and found" anonymous messaging site resonated with us strongly. We believe in offering high-quality solutions that truly serve the needs of users – an ethos that powers everything we do at TopIThuB. With this in mind, we'll design and program four well-thought-out webpages to ensure easy navigation for all user types: Owner, Finder, User, and Admin. Allowing users to register QR codes effortlessly or request them from an Etsy store is a great way to accommodate differing preferences. Given this opportunity, we would endeavor to make it as effective and user-friendly as possible. Lastly, we appreciate your emphasis on long-term collaboration and future-proofing of the app. At TopIThuB, we're not just driven by the present project - we want to make sure our solutions stand the test of time while meeting evolving user needs. Your project is in best hands with TopIThuB; let's embark on a long-lasting relationship that will build on our shared vision – High Quality, High Speed, High Satisfaction!
$300 USD in 7 days
7.2
7.2

Hi Dan A., I've carefully reviewed your vision for the QR Code-based anonymous messaging app, and I appreciate the detailed functionality you've outlined. This project requires expertise in web development, QR code integration, and secure messaging systems. We have extensive experience building similar applications, including two-way messaging platforms with anonymous user management, QR code functionality, and multi-channel notification systems. The four-page structure you described aligns well with our development expertise. We can implement the landing page with analytics, user and finder pages with QR code registration, and a robust admin panel for data management. Our team can deliver a secure, scalable solution with the functionality you've outlined. For a project of this scope, we would typically estimate 8-10 weeks for development, testing, and deployment. I'd be happy to provide a detailed proposal and timeline upon further discussion. Best, Adil
$750 USD in 7 days
7.4
7.4

Everything in my bid is 100% correct, I am available for 10 hours today and also available to work this weekend. I can work full time in the US East Coast time long term. Thanks
$500 USD in 7 days
7.2
7.2

Hi, I’ve read and understood your full project requirements, and I can develop this two-way anonymous messaging web app with the QR-code-triggered communication workflow you’ve described. I have experience building secure, privacy-focused platforms that integrate unique IDs, QR generation/scanning, and multi-channel messaging (email/SMS). I will structure the app into the four main pages—Landing, User, Finder, and Admin—ensuring each has the full functionality you outlined, including passwordless sign-ins via email/phone link, optional GPS pin sharing, message expiration rules, image attachments, and searchable message threads. The backend will handle UID generation, secure data storage, and routing of messages while keeping personal contact info hidden. For messaging, I can integrate Twilio, SendGrid, or similar APIs for reliable email/SMS delivery, and ensure GDPR/privacy compliance. The system will be scalable for future app integration, enabling an easy transition to mobile devices later. Thanks, Hercules
$500 USD in 7 days
6.9
6.9

Hi, I really like your concept of an anonymous, QR-based “Lost and Found” messaging platform — it’s practical, secure, and user-friendly. I’m Muhammad Talha, with 7+ years of experience in PHP web development, real-time messaging systems, and secure user authentication. I can build your platform to be scalable, intuitive, and future-ready for mobile app integration. Here’s what I’ll deliver: ✔️ Full web app with Owner, Finder, and Admin functionality ✔️ Secure sign-in via email/phone links or password ✔️ QR code registration and message thread management ✔️ GPS location sharing & optional image attachments ✔️ Email/SMS notifications with editable templates ✔️ Mobile-responsive design, ready for future app rollout I’ll ensure the platform runs smoothly, is secure, and can easily grow with your vision. Let’s build this innovative system together — ready to start?
$500 USD in 7 days
6.8
6.8

I understand the challenge of building a two-way anonymous messaging app that prioritizes user privacy while ensuring seamless communication. The QR code integration adds a unique touch, allowing users to connect without revealing personal information. Here's how I would approach your project: First, I will define the user journey for both Owners and Finders, ensuring intuitive navigation across the four webpages you envision. Next, I will implement robust back-end functionality to handle message storage, retrieval, and anonymity securely. I will also ensure that the email and SMS notifications are reliable and user-friendly, considering easy account management features for password resets and user settings. In a similar project, I developed a messaging platform for a retail client that required secure customer interactions while maintaining anonymity. This experience equipped me with insights on managing user data responsibly. As a first step, consider the importance of user verification to prevent misuse. Implementing a simple verification process can enhance trust in your platform. If you're interested, I’d love to discuss this further and explore how we can collaborate. Please let me know a suitable time for a chat.
$750 USD in 7 days
6.7
6.7

With a decade in the industry, I've seen trends come and go. However, one thing that remains constant is my dedication to building efficient, modern, and user-friendly interfaces, which will be crucial for your QR-code based messaging app. I'm experienced in HTML, CSS, JavaScript, and PHP- all the tools we'll need to bring your vision to life. Having worked on numerous projects encompassing full stack web design and development, your project aligns well with my skillset. I deeply understand the value of anonymity and privacy in our digital age. Therefore, I will prioritize ensuring a secure anonymous communication system as a top priority for this project. In addition to offering my proficiency in web development, I'm also adept at search engine optimization and social media marketing - skills that can help boost your website's visibility. As someone who believes in long-term collaborations, I'm not just here for this specific project but also open to turning this web app into a device-based app in the future if you so desire. Let's join forces to produce something truly groundbreaking!
$250 USD in 3 days
6.8
6.8

Hello, How r u doing? I have gone through the project and i believe that i can handle it well having experience related to Web Development, Mobile App Development, HTML, User Experience Research, JavaScript, Android, PHP and API Development. Please have a look at my profile to have an idea of my previous work: https://www.freelancer.com/u/ayesha0124 Regards, Ayesha
$750 USD in 9 days
6.8
6.8

Hello, Thank you so much for posting this opportunity it sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini
$750 USD in 7 days
6.7
6.7

Hello there Hope you are doing well as you are looking for a "Build a MESSAGING APPLICATION " so will make the same as you want , I have already develop and Design the so many Application , - I will use latest technology to develop your Application - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.
$250 USD in 5 days
7.3
7.3

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