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I’m building a straightforward income-expense tracker that runs natively on both iOS and Android. The core flow is simple: users add incomes or expenses, tag them as needed, and then pull clear, visual reports that show where their money goes. Key points to keep in mind: • Both platforms must work seamlessly side-by-side so a user can switch devices without losing data. • Every amount entered should be stored with its original currency and converted on demand, giving totals in any currency the user chooses. • Reports are a must—daily, weekly, monthly, and custom date ranges—exportable to PDF or CSV for easy sharing. Clean architecture, secure authentication, and a lightweight, intuitive UI are priorities. I’d like all source code, build instructions, and a short hand-off call at the end so I can pick up maintenance on my side. If something in the scope seems unclear, let me know early and we can refine it together.
Project ID: 40439091
134 proposals
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Active 4 days ago
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134 freelancers are bidding on average $1,157 USD for this job

This looks straightforward at first, but in my experience there’s usually a key detail that can cause issues later. I’ve handled similar projects before and can outline a practical approach for you. For similar work and case studies, feel free to check my profile: https://www.freelancer.com/u/Microlent Let me know if you I'd like me to walk you through the plan. – Rajesh Rolen
$1,125 USD in 7 days
9.4
9.4

With over a decade of experience in full-stack architecture and high-scale systems, I understand your project goal of building a Multi-Currency Expense Tracker App that operates seamlessly on both iOS and Android. My background in scaling applications for over 1 million users and working on high-security FinTech projects directly applies to the complexities of ensuring clean architecture, secure authentication, and a lightweight UI for your app. My strategic insight for this project would be to implement a robust currency conversion feature that accurately converts all entered amounts into the user's chosen currency, ensuring financial clarity across different currencies. This aligns with my past success in developing solutions that handle multiple data formats seamlessly, guaranteeing a smooth user experience. I encourage you to reach out so we can discuss the roadmap for your project further. I am confident in my ability to deliver a high-quality, cross-platform expense tracker that meets your requirements within the specified budget and timeframe.
$1,200 USD in 20 days
8.4
8.4

Hello, Your vision for a seamless cross-platform income-expense tracker with robust multi-currency support and detailed visual reporting aligns perfectly with my expertise. I understand the importance of clean architecture, secure authentication, and an intuitive UI for a smooth user experience across iOS and Android. I'm keen to build this essential tool, ensuring data synchronization and clear financial insights. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas
$905 USD in 7 days
8.4
8.4

I WILL BUILD AA FAST, CLEAN & SCALABLE CROSS-PLATFORM FINANCE TRACKER WITH SMART REPORTING! Your project aligns perfectly with our expertise in mobile app development, fintech solutions, and scalable cloud-based architectures. With 12+ years of experience in iOS, Android, Flutter, React Native, Node.js, and secure backend systems, we can deliver a polished income-expense tracker with seamless cross-device synchronization and powerful reporting capabilities. We can develop: • Native-like cross-platform mobile app (iOS + Android) • Secure authentication & cloud sync • Income/expense management with categories & tags • Multi-currency transaction storage & real-time conversion • Daily, weekly, monthly & custom analytics reports • Export functionality for PDF & CSV • Responsive, lightweight, and intuitive UI/UX • Admin-ready scalable backend architecture • Offline support with auto-sync capability Core workflow: User Signup/Login → Add Income/Expense → Categorize & Tag Transactions → Currency Conversion Engine → Real-Time Reports & Charts → Export PDF/CSV → Cloud Sync Across Devices. We follow clean architecture principles, version-controlled development, sprint-based delivery, QA testing, and complete documentation. Source code, deployment setup, build instructions, and post-project handoff support will be fully provided. We would be excited to help bring this finance tracking app from concept to production with long-term scalability and maintainability in mind.
$1,125 USD in 16 days
8.3
8.3

Hi there, I understand the complete flow and features of your income-expense tracker application because we have already worked on finance-related systems where transaction management, reporting, currency handling, and cross-platform synchronization were important parts of the development. First, I will plan the application architecture and database structure carefully so both iOS and Android versions work seamlessly together with secure authentication and stable cloud synchronization. I will also structure the transaction system in a way that every entry stores its original currency while supporting real-time conversion and reporting in any selected currency. Then I will develop the mobile application with a clean and intuitive UI where users can quickly add incomes, expenses, categories, tags, and filters without complexity. Alongside that, I will implement report generation for daily, weekly, monthly, and custom date ranges with export functionality in both PDF and CSV formats for easy sharing and record keeping. After that, I will complete testing across devices, optimize performance, prepare the complete source code and deployment setup, and provide proper build instructions so your team can maintain the project smoothly in the future. I will also do the final hand-off call to explain the architecture, workflow, and important technical points clearly before project closure. Thanks, Rahul
$900 USD in 30 days
7.9
7.9

With my extensive 9+ years of experience in Java and J2EE technologies, I am confident that I am the best-suited professional for this task. My strongholds are in Spring Boot–based microservices and RESTful APIs, the very heart of your project's backend. Not only can I ensure a clean architecture incorporating distributed systems to ensure service decoupling, retries, and fault isolation, but I also have a deep understanding of dealing with different databases like PostgreSQL, MySQL, MongoDB, and optimizing their performance. Another advantage I bring to the table is my proficiency with API security which is essential for protecting sensitive user financial data. In addition to this, I am skilled in Docker and the CI/CD pipeline, simplifying deployment and ultimately resulting in a more efficient workflow for you. Reliability and long-term maintainability have been hallmarks of my work as lead developer on enterprise-grade platforms in different industries. Multi-currency expense tracking is an unavoidable part of any business person's life and my experience shows that I understand its importance profoundly. Overall, I believe my skills combined with my integrity and devotion make me a solid candidate for developing your multi-currency expense tracker. I look forward to working closely with you to bring your vision into reality while ensuring smooth hand-off for maintenance once it's complete!
$750 USD in 5 days
7.2
7.2

Hey, I will deliver a cross-platform expense tracker — native iOS and Android via React Native — with multi-currency entry, real-time conversion, tagged transactions, and visual reports exportable to PDF and CSV. For currency handling, I will store every transaction in its original currency alongside the exchange rate at entry time. When a user requests totals in a different currency, the app will recalculate using either the stored historical rate or a live rate — giving accurate reporting without silently distorting past figures due to fluctuation. Questions: 1) Which exchange rate API do you prefer, or should I recommend one based on update frequency and cost? 2) For authentication — Firebase Auth, or do you have a preferred backend already in place? Send me a message and we can go over the details. Best regards, Kamran
$841 USD in 13 days
7.4
7.4

Hi, Thanks for sharing the requirements. The scope is clear, and we can definitely help you build this for both iOS and Android. We can develop a clean and secure app with: • Income & expense tracking • Multi-currency support with live conversion • Cross-device sync • Daily/weekly/monthly reports • PDF & CSV export • Lightweight UI and clean architecture We’ll also provide full source code, build instructions, and a hand-off session after delivery. Just need to confirm a few details like preferred login method, live exchange rate API, and offline sync requirements before we finalize timeline and cost. Looking forward to discussing further.
$1,125 USD in 7 days
7.0
7.0

Hi there, I have read your project requirement, and you need a cross-platform income and expense tracking application for iOS and Android with multi-currency support, synchronised data storage, reporting dashboards, and export functionality for PDF/CSV reports. I have experience developing finance and tracking applications with secure authentication, cloud synchronisation, reporting systems, currency conversion workflows, and clean mobile UI/UX architecture. A few questions: ============== Which authentication methods would you like to support (email, Google, Apple, etc.)? Should currency exchange rates update automatically through a live API? Do you want category/tag management to be fully customizable by users? Will the app include cloud backup and device sync from the first version? I can provide clean source code, deployment guidance, and a structured handover process for future maintenance. Best Regards, Srashtasoft Team
$1,325 USD in 7 days
7.1
7.1

Hi, We can build your multi-currency expense tracker app for iOS and Android with secure sync, real-time currency conversion, and clean financial reporting. We’re experienced in developing cross-platform Flutter apps with scalable architecture, authentication, and analytics/reporting systems. Features Income & expense tracking Multi-currency support with conversion Daily, weekly, monthly & custom reports PDF + CSV export Cross-device sync Secure authentication Clean, lightweight UI Tech Stack Firebase / Supabase backend Currency exchange API integration Clean architecture + null safety Deliverables Full Flutter source code Android + iOS builds Build/deployment instructions Documentation + handoff call If you are not happy with the work, you do not pay. Regards Interconnect Team
$1,100 USD in 3 days
6.8
6.8

Hello, I hope you are doing well. I understand that you are looking to build a Multi-Currency Expense Tracker App, 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.
$750 USD in 12 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, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise 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 and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1,000 USD in 30 days
6.6
6.6

Dear client, I can deliver the income expense tracker app for android+ios within your budget and in less time, I have experience in development of this kind of utility app, I have more than 9 years of experience in apps and web development.
$750 USD in 9 days
6.2
6.2

Hi, I am good at mobile app development, please show full details requirement then I can give you best quote, thanks! Looking forward working with you! ? Regards, Robin
$1,500 USD in 30 days
6.3
6.3

Hi there, We’ve developed several expense-tracking apps that let users manage their finances by adding expenses, categorizing them, and generating insightful reports. We also built a multi-currency feature that allows users to enter expenses in different currencies and convert them to their preferred currency for accurate reporting. In addition to the core features, we’ve added advanced functionalities like automatic receipt scanning and AI-driven insights to help users identify hidden expenses and optimize their spending. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$1,125 USD in 21 days
5.9
5.9

Hi, I’m excited to propose for your income-expense tracker project! Here’s what you can expect: - Native iOS and Android apps with seamless data synchronization across devices - Real-time currency conversion for all transactions stored in their original currencies, ensuring flexibility in reporting - Comprehensive reports including daily, weekly, monthly, and custom date ranges—exportable to PDF or CSV - Clean architecture and secure authentication mechanisms - Intuitive UI design for easy usability I will provide you with the source code, build instructions, and a follow-up call for handover. Let me know if anything needs clarification. Portfolio: https://www.freelancer.com/u/reedsystems
$1,175 USD in 25 days
5.9
5.9

⭐⭐⭐⭐⭐ Build Your Income-Expense Tracker for iOS and Android ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for an income-expense tracker app. You have no need to look any further as Zohaib is here to help you! My team has completed over 50 similar projects for mobile applications. I will create a seamless app for both iOS and Android, ensuring users can easily add incomes or expenses, tag them, and generate clear reports. ➡️ Why Me? I can easily build your income-expense tracker as I have 5 years of experience in mobile app development, specializing in cross-platform solutions, data handling, and user interface design. Not only this, I have a strong grip on secure authentication and clean architecture, ensuring your app is efficient and user-friendly. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ Mobile App Development ✅ Cross-Platform Solutions ✅ User Interface Design ✅ Secure Authentication ✅ Data Management ✅ API Integration ✅ Currency Conversion ✅ Report Generation ✅ PDF/CSV Export ✅ Clean Architecture ✅ Intuitive UI/UX ✅ Testing & Debugging Waiting for your response! Best Regards, Zohaib
$900 USD in 2 days
6.0
6.0

As a seasoned full-stack developer with over five years of experience, I firmly believe my skills align perfectly with the requirements of your project. My extensive expertise in mobile development using Flutter and React Native, as showcased in my portfolio, including apps like Victoria UAE Real Estate and IVI Cryptos, will be invaluable in developing a seamless multi-currency expense tracker app on iOS and Android platforms. One of the cornerstones of my work is providing users with an engaging yet simplistic user interface. This skill fits flawlessly with your project which prioritizes a lightweight, intuitive UI that performs a wide array of functions smoothly and effectively. Adding to that, my strong command over API integration will ensure smooth currency conversion functionalities along with generating detailed reports in any desired format (PDF, CSV) to facilitate easy sharing between users. Moreover, I understand your need for maintaining the app post-development and assure you of providing not just the bug-free source code but also easily understandable build instructions to enable smooth handover. Lastly, consider me as a partner in your venture rather than just another professional as I am always open to working collaboratively to refine ambiguities that may arise during the project. Let's discuss more about your vision-soon!
$1,125 USD in 7 days
6.2
6.2

Hello, This project fits well with my experience in cross platform mobile applications, financial tracking systems, data synchronization, and reporting features for ios and android. i have worked on apps where users manage income and expense entries, multi currency calculations, secure authentication, and exportable reports in different formats. i can help structure the app so data stays consistent across devices, handle currency conversion logic, design clear reporting views for different time ranges, and ensure the overall system remains stable and easy to maintain. i would like to schedule a short discussion meeting to go through your feature flow, data model, and reporting expectations. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$1,125 USD in 7 days
5.2
5.2

Hi, I can build your Flutter finance tracker for iOS & Android with clean architecture, real-time cloud sync, multi-currency support, and reporting (PDF/CSV export). I’ve built Flutter apps with structured financial data, API integrations, and production-ready mobile/web deployments, so I can ensure reliable syncing, accurate currency handling, and a clean maintainable codebase. My approach is to first design a solid data + sync architecture so the app stays stable as usage grows. Timeline: 4–5 weeks Includes: UI, backend integration, reports, testing & deployment A quick question: Do you want offline-first support or fully cloud-based sync? Happy to start immediately. Best Regards, Abhishek
$1,125 USD in 7 days
5.7
5.7

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