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I’m staging a small concert and need a lightweight iOS app that lets attendees choose their seats—nothing more. There is no cart, checkout, or payment flow; the sole purpose is to display a seating chart, let a guest tap a seat, and lock that seat the instant it’s chosen so nobody else can grab it. Only admins has the access to account with email and password which they go straight to the seating screen. Every device must see changes in real time: when one user takes seat A3, everyone else should see A3 turn “occupied” instantly without a manual refresh. When a user releases or times-out, the seat should free up just as quickly. Think Firebase / [login to view URL] or any push-based backend you’re comfortable with—the technology is your call as long as the result is smooth and reliable for dozens of concurrent users. I expect seat maps of around 800 spots that divided in different sections. Each section will have different colors. I will provide the initial seating map of the venue. Please deliver: • Swift or SwiftUI iOS app (iPhone-only is fine) • Real-time backend with seat-lock logic and sensible timeout handling • Simple email-password authentication flow • README explaining how to run, configure seat maps, and deploy the backend Acceptance criteria: opening two test devices side by side, selecting a seat on one must mark it unavailable on the other within one second, and a released or expired lock must revert just as fast. If you have questions about the seat map format or timeout length, let me know and i will send it to you before you start coding.
Project ID: 40508865
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Hello dear, I’m Md Toriqul Islam, an experienced full-stack developer specializing in iOS apps, real-time systems, and scalable mobile solutions with 10+ years experience. I understand you need a lightweight iOS seat booking app with real-time seat locking, admin login, and instant sync across devices for ~800 seats using Firebase or Socket backend with timeout handling and section-based seat map. My skills in Swift, SwiftUI, UIKit, Firebase, [login to view URL] ensure fast, reliable real-time iOS applications. Feel free to share seat map format and timeout details. I’m happy to refine approach and start immediately. Hello dear! Md Toriqul Islam excited to start immediately. Best regards Md Toriqul Islam.
€30 EUR in 7 days
5.7
5.7
155 freelancers are bidding on average €182 EUR for this job

YES ! REAL-TIME SYSTEMS ARE MY SPECIALTY—I CAN DELIVER A FAST, RELIABLE SEAT BOOKING APP WHERE EVERY CHANGE IS SYNCED INSTANTLY ACROSS ALL DEVICES. With 12+ years of experience in iOS and real-time application development, I would build this using **SwiftUI + Firebase Firestore/Auth**, providing sub-second seat updates, secure admin authentication, and robust seat-locking logic with automatic timeout handling. ### Solution Includes: ✔ iPhone App (SwiftUI) ✔ Email/Password Admin Login ✔ Interactive Multi-Section Seating Map (800+ Seats) ✔ Real-Time Seat Availability Updates ✔ Automatic Lock Expiration & Release Logic ✔ Color-Coded Sections ✔ Firebase Backend & Deployment Setup ✔ Complete README & Documentation The architecture will ensure that when a seat is selected, all connected devices see the change instantly without refresh, while preventing double-booking through transactional locking mechanisms. I can start immediately and deliver a clean, scalable solution that meets your real-time performance requirements and is easy to manage for future events.
€250 EUR in 11 days
8.4
8.4

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 concert seat booking app 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
€125 EUR in 12 days
8.0
8.0

I can help with this, I will deliver the SwiftUI app with Firebase Realtime Database handling seat locks, auth, and instant sync across devices. The 800-seat map will render as a sectioned, color-coded layout based on your venue file. For timeout handling, I will use Cloud Functions with server-side timestamps — this prevents a client from holding a lock if the app crashes or loses connection, keeping seat state accurate without relying on the device clock. Questions: 1) What format is your seating map — image, PDF, or spreadsheet with row/seat coordinates? 2) What timeout duration feels right — 60 seconds, 5 minutes, or admin-configurable? Looking forward to talking through the details. Kamran
€33 EUR in 10 days
7.8
7.8

Greetings, You need a lightweight iOS app for concert seat selection with real-time seat locking, instant updates across devices, admin authentication, and timeout-based seat release. I will build this with: real-time seating chart with 800+ seats and section colors, instant seat lock/unlock synchronization, email-password admin authentication, automatic timeout handling, scalable backend architecture, and complete deployment documentation. Using SwiftUI, Firebase (Firestore + Authentication) or Socket.IO-based backend, this will provide smooth real-time seat management with updates reflected across all devices within one second. I’ve built similar real-time applications before and understand the importance of concurrency handling, seat-lock reliability, and responsive user experience. Let’s discuss. Best regards, Hammad
€200 EUR in 10 days
7.4
7.4

I’ve built a few real-time coordination apps where timing and state consistency really matter, so this fits well. You need a clean iOS app with instant seat locking across devices, no fluff. I’d handle this using SwiftUI on the front end and a Firebase (Firestore + real-time listeners) or lightweight socket-based backend depending on how strict you want lock guarantees. Core approach: - Seat map rendered from your provided layout (section-based coloring, ~800 seats is fine) - Tap → atomic seat lock with timestamp + device/user ID - Real-time listeners push updates instantly to all devices (no polling) - Auto-release via server-side timeout (prevents stale locks) - Simple admin-only auth flow that lands directly on the seating screen One thing to get right: race conditions on near-simultaneous taps. I’ll enforce atomic writes (transactions) so only one device ever wins a seat. Should seat locks be visible as “held” before finalizing, or is tap = immediate confirmed booking? I’ll keep it fast, predictable, and easy to run from your side with a clear README.
€200 EUR in 5 days
6.6
6.6

Hello! A real time concert seat selection app like this is a strong and time sensitive system because it requires perfect synchronization between multiple devices, instant seat locking, and a very reliable backend that prevents double booking even under concurrent usage. I’ve reviewed your requirements and understand the importance of building a simple but highly responsive system where users can see seat availability update instantly without refresh delays. I have already developed a real time booking app, so I’m familiar with building systems that handle live updates, state synchronization, and conflict free selections using technologies like Firebase or WebSocket based architectures. This experience helps in ensuring seat locking logic is reliable, fast, and consistent across all connected devices even with multiple users interacting at the same time. The goal will be to deliver a stable and seamless real time seating experience that performs reliably during live concert conditions. Send me a message and let's discuss your seating structure, locking rules, and backend preference for the first version. Best regards, Nikita Gupta.
€300 EUR in 28 days
6.7
6.7

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with iPhone, JavaScript, and iOS Development. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify:Could you provide details on the format for the seat map? Let’s discuss over chat! Regards, Arpit Jaiswal
€155 EUR in 25 days
7.5
7.5

Hello, I hope you are doing well. I understand that you are looking to build a REAL-TIME CONCERT SEAT BOOKING MOBILE APPLICATION, and I would be happy to help. I have extensive experience in designing and developing applications 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.
€150 EUR in 5 days
7.0
7.0

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development 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 , java spring boot. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
€450 EUR in 14 days
6.5
6.5

Sounds like you have an exciting concert lined up and need a lightweight iOS app for seat selection. With around 10 years of experience in mobile app development using Swift and Objective C, I can build a user-friendly solution that meets your needs. The goal of creating a straightforward app for attendees to choose their seats is clear, and I can help make that process smooth and engaging. Some similar things I've built include a regional booking platform for a tutoring company, an internal CRM for a property agency, and a React Native field-reporting app. Let’s bring your vision to life. Could you please clarify the following questions to help me better understand the project? Q1: What specific features do you envision for the seat selection process? Q2: Are there any design preferences or style guidelines you want to follow for the app? Q3: Will you need any backend services to support seat reservations, or will this be a front-end only project?
€200 EUR in 3 days
6.6
6.6

Hello! We can build you a lightweight iOS seat-selection app with real-time locking. 1. What seat map format and sections will you provide? 2. What timeout length should the seat lock use? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
€140 EUR in 7 days
6.2
6.2

Hello There!!! ★★★★ ( Real-Time iOS Concert Seat Booking App with Instant Seat Locking & Live Sync Across Devices ) ★★★★ I carefully reviewed your project and understand you need a lightweight iOS app where users can select concert seats in real time, with instant locking so no two users can choose the same seat. The system must update live across all devices, include admin-only access, and handle around 800 seats with section-based coloring. ⚜ Swift / SwiftUI iOS Development ⚜ Real-Time Seat Selection System ⚜ Firebase / Socket-Based Backend ⚜ Admin Authentication (Email & Password) ⚜ Live Sync Across Multiple Devices ⚜ Seat Lock & Timeout Logic ⚜ Scalable Seating Map (800+ seats) I have experience building real-time applications using Swift, Firebase, and WebSocket-based systems where instant synchronization is critical. My approach would be to design a clean seating grid UI in SwiftUI, implement a secure backend for seat locking with TTL-based expiry, and ensure real-time updates using Firestore listeners or socket communication depending on your preference. I focus on building smooth, reliable real-time systems where concurrency and speed are handled carefully. I’d be happy to discuss seat map format, timeout rules, and backend preference before starting development. Warm Regards, Farhin B.
€109 EUR in 7 days
6.6
6.6

As a seasoned Full Stack Developer, I am well-versed in crafting highly-efficient iOS applications that not only meet client expectations but also exceed user requirements. Technologies like Firebase and React Native, which are integral to your project's smooth real-time functioning, are well within my comfort zone. My experience in building high-performance mobile and web applications from the ground up adds an extra edge of robustness to my work. Additionally, I have a keen eye for seamless UI/UX Design and my portfolio showcases examples of successful projects (available on both Android and iOS platforms) that were built with precision and enhanced user experiences in mind. This skill is especially relevant to your project given the need to handle around 800 spots in differing sections, emphasizing the importance of clear and sensible color coding.
€140 EUR in 7 days
6.2
6.2

With a venue map of roughly 800 seats, I’d keep the app lean and build it in SwiftUI with a real-time backend (Firebase or Socket.IO-based, depending on your preference). First, I’d model seats and sections so the map can be configured from your provided layout rather than hardcoded. Then I’d implement atomic seat-lock logic on the backend so only one device can successfully reserve a seat, even if multiple users tap it simultaneously. Every connected device would receive seat updates immediately through push subscriptions, keeping the chart synchronized without refreshes. I’d also add automatic lock expiration with server-side timers so abandoned selections are released reliably, even if a device disconnects unexpectedly. A small usability detail I’d include is clear visual states for available, locked, and occupied seats, making changes easy to spot in crowded sections. Before starting, I’d just want to see the seat map format and confirm the desired lock timeout duration. Ready to get started once those are available.
€150 EUR in 3 days
5.1
5.1

Hello there, we are a team of developers and we can do this project in no time. Thanks Ashish Kumar.
€140 EUR in 7 days
5.4
5.4

✋ Hi There!!! ✋ THE GOAL OF THE PROJECT:- TO DEVELOP A REAL TIME IOS CONCERT SEAT SELECTION APP WITH INSTANT SEAT LOCKING AND ADMIN AUTHENTICATION. I have carefully read your requirement for a lightweight iOS Swift or SwiftUI app with real time seat map updates, admin email password login and instant seat locking for around 800 seats. I can deliver smooth and reliable solution. I am best fit because I have 9+ years experience as a full stack developer with strong expertise in iOS and real time systems. 1. Swift SwiftUI iOS app with seat map UI design for multiple sections 2. Firebase or Socket backend with real time database and seat lock timeout logic 3. Admin authentication, testing on multiple devices and full source code delivery I have completed similar real time booking and reservation system projects. Looking forward to chat with you for make a deal Best Regards Elisha Mariam
€111 EUR in 11 days
5.0
5.0

Hi, I can build your iOS real-time concert seat app with a focus on live seat availability, interactive venue maps, ticket integrations, and instant updates. I have experience developing scalable mobile applications with real-time data synchronization, API integrations, and responsive UI/UX design. Key features I can help implement: Real-time seat availability updates using WebSockets/Firebase Interactive venue seating maps with zoom and seat selection Ticket purchasing and checkout integration Push notifications for seat releases and price changes User accounts, favorites, and booking history High-performance Swift/SwiftUI architecture Backend integration with ticketing platforms and cloud services Similar apps in this space provide real-time seat tracking and availability alerts, demonstrating strong demand for live ticket inventory monitoring. I would be happy to discuss the ticketing APIs, venue mapping requirements, and timeline for the project. Best regards, web n soft solution
€120 EUR in 15 days
5.0
5.0

꧁⎝ ༺ Hi ༻ ⎠꧂ + ⭐⭐⭐⭐⭐ + 100% Job Score freelancer Hi, thanks for the opportunity. I've built real-time seat locking apps before – SwiftUI + Firebase Firestore, sub-second sync, configurable timeouts, 800+ seats with section colors, and simple email auth. Two devices side by side: tap seat on one, instantly locked on the other. Check my profile – good reviews, happy clients. Ready when you are. Let's go. Thank you, Vinh
€100 EUR in 7 days
4.5
4.5

I can develop a lightweight iOS app that enables your concert attendees to select their seats in real time. I have experience creating user-friendly event and booking apps optimized for performance and smooth interaction. My approach focuses on designing a simple interface with real-time seat availability updates, ensuring a seamless selection process under concert conditions. Quick question before I suggest an approach: Do you already have wireframes or a written spec for the seating layout?
€140 EUR in 7 days
4.3
4.3

I’ve built real-time seat booking prototypes over WebSocket/Firebase before, so this is right in my wheelhouse. My approach: SwiftUI frontend, Firebase Realtime Database backend, Auth for admin emails. I’ll model seats as a flat doc with {id, sectionColor, lockedBy, lockedAt}, enforce row-level transactions for lock/unlock, and set a 30s TTL on locks via server-side cleanup. Validate with two devices side by side—seat state changes should push under 500ms; if lag spikes, I’ll throttle updates or switch to Firestore streams. README will cover seat JSON schema, Firebase rules, and local dev setup. I can start immediately.
€200 EUR in 2 days
4.0
4.0

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