4-Digit Arithmetic iOS App

@C0RETECHIES

Hi, We'd be happy to build your iOS app in SwiftUI with a clean, maintainable architecture that's easy to extend as your requirements grow. We'll create a single-screen interface with a custom numeric keypad for entering fourteen 4-digit numbers, built-in validation to ensure only valid inputs are accepted, and support for addition, subtraction, multiplication, and division with clear result displays and error handling for invalid entries or division by zero. You'll receive a well-structured Xcode project, clean code with comments, and a concise README so you can build and run it immediately in the latest Xcode. We focus on reliable, easy-to-maintain applications and clear communication throughout development. We'd be happy to discuss any future enhancements you have planned. Best, Raksha

@kamran2012

This looks like a great fit, I will build the SwiftUI single-view app with a custom keypad for entering all fourteen 4-digit numbers, real-time validation (rejecting non-4-digit input and division by zero with clear alert messaging), and the arithmetic modification logic displayed inline on the same screen. I will structure the code with a clean ViewModel layer so extending it later is simple, not a rewrite. A README with Xcode build steps will be included. Questions: 1) Are the "several modifications" a fixed set of formulas you will share, or should each operation be user-selected per number? 2) Should results persist between sessions, or is in-memory fine for now? Send me the details and I will map out the first step. Looking forward to potentially working together. Thanks, Kamran

@techplusintl

Hi there, ★★★ Swift Expert ★★★ 8+ Years of Experience ★★★ I can create the iOS application you described using Swift and SwiftUI. I will build a straightforward app with a keypad interface for entering fourteen 4-digit numbers. The app will perform real-time calculations for addition, subtraction, multiplication, and division, ensuring input validation for 4-digit integers. I will also implement alert messaging for invalid entries and division-by-zero attempts. The code will be well-structured for future extensions, and I will include a concise README to guide you on building and running the project in Xcode. Ready to get started!

@vladang

This sounds like a focused first version where the main risk is not the math itself, but making the number entry and validation feel reliable. I’d build this as a simple SwiftUI single-screen app with a small state model holding the fourteen 4-digit values, the currently selected slot, and the selected operation. The keypad would only allow digits, prevent more than four characters per entry, and clearly show which number is being edited. Once the inputs are valid, I’d calculate the results either live or from a Calculate button, depending on what feels clearer for the user. Division-by-zero and incomplete entries would be handled with inline messages or a simple alert, not crashes or confusing blank results. I’d keep the calculation logic separate from the SwiftUI view so adding more formulas later is easy. I can deliver a clean Xcode project with a short README and simulator-ready setup.

@markupdudes

Hi, I understand your need for a straightforward iOS app that processes fourteen 4-digit numbers with basic arithmetic operations. With extensive experience in iPhone app development and Swift, I will create a clean single-view layout featuring an intuitive keypad interface for precise number entry. The app will handle addition, subtraction, multiplication, and division with real-time or button-triggered calculations, plus validation alerts for invalid inputs or division-by-zero. I will deliver well-structured code and a concise README for easy extension and smooth running in Xcode. Let's discuss the timeline to get started. What specific high school math methods, beyond basic arithmetic, should the app support? Thanks,

@seefattechnologi

I HAVE RELEVANT EXPERTISE building Swift/SwiftUI iOS apps with clean, scalable architecture. I will deliver a well-structured Xcode project with keypad input, validation, calculations, and clear UI. Should the math operations apply to each number individually or across all 14 numbers? Do you have specific calculation formulas beyond the basic operations?

@haseebsidd07

Hi there, I understand that you are looking for an efficient iOS application built in Swift (or SwiftUI) that can handle fourteen 4-digit numbers with various mathematical operations, including input validation and a simple keypad interface. My approach will ensure a user-friendly experience while maintaining clear and structured code for future enhancements. I am Abdul Haseeb Siddiqui, a mobile app developer with over 6 years of experience. My skills encompass Mobile App Development, iOS Development, User Interface Design, and Swift, ensuring that your project will be handled with expertise. You can check my portfolio here: https://www.freelancer.com/u/haseebsidd07 I am excited about the opportunity to bring your vision to life and deliver a robust application tailored to your specifications. Thanks, Thank you, Regards, Abdul Haseeb Siddiqui

@shawanay

Good day, I know you're tired of scanning through AI generated proposals, so I'll keep it simple for you. You need a single-view iOS calculator app that handles fourteen 4-digit numbers with a custom keypad and basic math operations. Straightforward scope, and exactly the kind of well-structured Swift work I enjoy building. I will deliver the full Xcode project with a custom keypad, real-time calculations, proper input validation, division-by-zero handling, and a clear README so you can open and run it immediately. Ready to start today.

@edwarddzi8f

Hi there, I can help you with building the 4-digit arithmetic iOS app. A clean single-view SwiftUI layout with a custom numeric keypad for entering the fourteen numbers, plus addition, subtraction, multiplication, and division operations. I'll include input validation to reject non-4-digit entries and handle division-by-zero with clear alerts. The code will be modular so you can extend it later easily. I'm Edward and I've been building iOS apps in Swift since 2014. Happy to chat more about this.

@securetechs

Hi, Swift and SwiftUI are my daily stack for iOS apps, check out our recent work at securetechs.io. For this arithmetic app I'll set up the SwiftUI input views to handle the fourteen 4-digit number entries cleanly, wire up the calculation logic, and add input validation so only valid numbers go through. I'll build it with a clean native UI that feels right on iPhone, test it on multiple screen sizes in the simulator, and send you a TestFlight build to review before I submit anything final. Should be ready in 2 days. One thing I want to confirm since the description got cut off , what's the expected output after the fourteen numbers are entered? Is it summing them, averaging, or something else? Regards, Imtiaz, SecureTechs

@PrateekP3003

Hello! As per your project post, you are looking to build a straightforward iOS application that allows users to manually input fourteen 4-digit numbers and perform basic mathematical operations in a clean, single-view interface. The goal is to provide a fast, intuitive tool with strong input validation and immediate, clearly displayed results, while maintaining a codebase that is structured for future extensibility. My focus will be on developing a Swift (SwiftUI) based iOS application with a custom on-screen keypad for controlled 4-digit integer input, implementing robust validation logic to ensure only valid entries are processed, and designing a clear calculation layer to handle addition, subtraction, multiplication, and division safely, including edge-case handling such as division-by-zero protection. The UI will be kept minimal and user-friendly, with real-time or button-triggered computation and results rendered instantly on the same screen for maximum clarity. I specialize in iOS development using Swift and SwiftUI, with experience building modular, scalable mobile applications that prioritize clean architecture, maintainability, and smooth user interaction. My approach focuses on structuring logic in a way that makes future enhancements—such as additional operations, history tracking, or data persistence—easy to integrate without refactoring the core system. Best regards, Prateek

@vinodrayka07

Hi! I can build this exactly as requested using **Swift + SwiftUI**, with clean, modular code that's easy to expand in future versions. The app will include: * Custom on-screen numeric keypad for manual entry * Support for entering **14 separate 4-digit integers** * Input validation to ensure only valid 4-digit numbers are accepted * Addition, subtraction, multiplication, and division operations with either real-time updates or a Calculate button (your preference) * Clear result display on the same screen * Error handling for invalid input and division-by-zero using alerts or inline messages * Well-structured MVVM-style architecture for future enhancements * Clean single-screen SwiftUI interface * Complete Xcode project compatible with the latest iOS SDK and simulator * README with setup, build, and run instructions I'll write maintainable, commented Swift code rather than a quick prototype, making it simple to add new mathematical operations or additional screens later. I can start immediately and provide regular progress updates until the project is complete. I focus on clean UI, reliable validation, and a polished user experience. Looking forward to working with you!

@intelliresponse

With over 13 years of experience in mobile app and web development, I am confident that I can build the precise and user-friendly iOS application you need. My proficiency in languages such as Python, Swift, Objective C enables me to effectively develop clean, efficient code in order to optimize your app's functionality and performance. It is essential for your 4-Digit Arithmetic App to not only accurately input and calculate mathematical operations but also present the information clearly on a single screen. My substantial experience in data extraction & AI solutions have honed my capacity to deal with complex calculations and parameters while delivering results in a structured manner. Lastly, my experience with developing mobile applications guarantees that I can deliver an Xcode project that meets your requirements for being opened, built, & run on the latest iOS simulator. In choosing me, you can confidently expect a high-quality application comprising of all the required features including addition, subtraction, multiplication, division - being it real-time or button-triggered - complemented by secure input validation mechanisms. Together we can fulfill every aspect of your vision ensuring that it is delivered on time and up-to par!

@nemanjam61

Hello! A clean SwiftUI calculator for 4-digit numbers with proper input validation and division by zero handling is a quick, well-defined build that I can deliver fast. I will build the keypad interface, all four arithmetic operations, real-time input validation that only accepts 4-digit integers, clear error messages for invalid entries, and a well-structured codebase ready for you to extend later. README included so you can open and run it in Xcode right away. Ready to start today. Hope to work with you on this!

@joshuak485

Hello, I hope you're having a great day. I've delivered several SwiftUI iOS builds that include custom on-screen keypads and validation logic for numeric input. I built an iPhone app that accepts many 4-digit entries, processes addition and division, and handled division-by-zero by disabling the op and showing an alert; used SwiftUI and Combine for real-time updates. I'd start by scaffolding a single-view SwiftUI layout, implement a custom keypad component, and add input validators and unit tests in Xcode. Could we hop on a short call to confirm whether calculations should run live or only after a button press, and to agree on the exact input validation message text? Thank you, Joshua Kofoworola

@codeandcommand

The fourteen 4-digit inputs layout is the key UX piece here. I would build it in SwiftUI with a clean numeric keypad flow, real-time validation, and results display. Can have a working build in 2 days. The bid reflects the description as posted. Once we talk through the exact input flow and any edge cases, the final number gets firmed up. Available to start today. Want to jump on a quick call?

@toqeer74

Most clients stuck on developing simple iOS apps often overlook the importance of a clean code structure for future extensibility. I can build your SwiftUI app with a keypad for manual number entry and implement real-time calculations. You'll get basic input validation and alert messaging for any errors. I can deliver the initial milestone in exactly 2 days. What's your deadline? When do you need this live?

@elijahhmonreal

Hi there, I just read your posting. It sounds like you need an experienced software engineer who can help build, improve, and maintain a reliable solution using App Design, Objective C, Xcode, User Interface / IA, Swift, iPhone, App Development, Mobile Development, Mobile App Development and iOS Development. I am a software engineer with 12+ years of experience designing and developing web, cloud, automation, and enterprise applications. I specialize in building scalable, maintainable, and production-ready solutions while ensuring high code quality, performance, security, and long-term stability. I can help review your requirements, identify the most effective technical approach, and implement the solution professionally. Whether the work involves backend development, frontend development, API integrations, cloud infrastructure, databases, automation, AI solutions, troubleshooting, performance optimization, or system architecture, I can help deliver the project successfully. I focus on clear communication, clean code, and practical solutions that align with business goals. My objective is not only to complete the immediate task but also to create a solution that is easy to maintain and extend in the future. Let me know if my profile looks interesting, and we can set up a time to talk. Best regards, Elijah M.

@AbdullaAli89

Hello there, I might not have a lot of reviews but I’m determined to help you with your project. May I possibly ask what your ideal outcome of this project is? Is there any documentation of what you need that I can see? Let’s discuss more. Best regards.