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Project Title Build Offline-First Mobile App for Small Business Profit Tracker with Mobile Money Subscription (Android + iOS) Project Description I am looking for an experienced mobile app developer or development team to build a professional offline-first mobile application for small business owners such as: Market traders Tomato sellers Grocery shop owners Barbers Salons Kiosks Small stores Phone repair shops Informal businesses The app will help users understand their daily sales, estimated profit, operating capital, expenses, savings, and business growth in a very simple way. Most small businesses do not track profit properly and often confuse capital with profit. This app should solve that problem. Main Goal of the App Users should quickly enter: Opening capital Total sales for the day Daily expenses Withdrawals taken Then the app automatically calculates: Estimated profit Capital portion Safe money to spend Savings amount Business growth charts Important Requirement: OFFLINE FIRST The app must work without internet because many users do not always have data. Offline Features Required: Add daily entries Profit calculations Dashboard Charts Reports Local data storage Internet Needed For: Login / registration Subscription verification Cloud backup / sync Notifications App updates Preferred local storage: SQLite / Hive / similar Platforms Required Android App (Priority) iOS App Admin Panel / Web Dashboard (Preferred) Preferred Framework: Flutter (Highly Preferred) Alternative: React Native Main Features Required 1. Authentication Phone number login Email login Password reset Secure user accounts 2. Business Setup User enters: Business name Business type Currency Profit percentage Savings percentage Weekly savings target 3. Dashboard Display: Today Sales Estimated profit Expenses Capital remaining Safe to spend Savings added Growth Charts Daily sales trend Weekly profit growth Monthly performance Savings growth 4. Daily Entry Screen Simple quick form: Opening capital Total sales today Expenses today Withdrawals today Notes One-click save. 5. Automatic Calculations Example: Sales = K1,500 Profit % = 30% Results: Profit = K450 Capital = K1,050 Savings % from profit: Savings = K90 Spendable profit = K360 6. Savings / Chilimba Feature Users can save automatically for: Chilimba Rent School fees Stock reinvestment Emergency fund Features: Auto-save percentage from profit Progress tracker Weekly reminders 7. Reports Daily / Weekly / Monthly reports: Sales Profit Expenses Withdrawals Savings Growth % Export PDF/Excel preferred. 8. Notifications Enter today sales reminder Subscription expiry reminder Weekly savings reminder Too much withdrawal warning Subscription / Monetization System (Very Important) The app should have paid access model. Access Model: Free Trial: 3 days free trial Then paid subscription required. Subscription Plans: K5 Daily K25 Weekly K80 Monthly Required Payment Methods: Airtel Money MTN Mobile Money Zamtel Kwacha (optional later) Need automatic account unlock after payment. Subscription Logic Required User pays Access activated automatically Expiry countdown Renew reminders Grace offline mode (2–3 days) Server validation when online Security / Protection Need protection against abuse: Account-based access Device linking Premium lock system Secure backend validation API protection Admin Panel (Preferred) Need web dashboard to manage: Users Active subscriptions Payments Notifications Reports Support tickets Analytics UI/UX Requirements App must be: Very simple Fast Clean modern design Easy for non-technical users Suitable for low-end Android phones Minimal typing Preferred Tech Stack Frontend Flutter Backend Firebase or Supabase Database Firestore / PostgreSQL Notifications Firebase Cloud Messaging Deliverables Required Please provide: Android APK / AAB iOS build/source Full source code Backend setup Admin panel Documentation Deployment support Bug fixing after launch Please Include in Proposal Similar apps built Recommended tech stack Estimated timeline Total cost Payment integration experience Offline sync experience Project Vision Build the best business money control app for African small businesses. Simple, practical, offline, profitable.
Project ID: 40382689
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114 freelancers are bidding on average $270 USD for this job

Hi there, I have read your project requirement. You need an offline-first mobile application (Android + iOS) for small business profit tracking, with simple daily entry, automatic profit calculations, savings tracking, reports, and a subscription system using mobile money (Airtel, MTN, Zamtel). The app must work smoothly without internet using local storage (SQLite/Hive), sync when online, include notifications, and provide an admin panel for managing users, subscriptions, and analytics. The focus is on simplicity, performance on low-end devices, and scalability. We can build a clean, fast, and highly user-friendly Flutter app with strong offline capabilities, secure subscription handling, and a scalable backend using Firebase/Supabase. The solution will ensure accurate financial calculations, seamless offline-to-online sync, and a robust monetization system. A few questions: ============== Do you already have APIs or aggregator support for Airtel/MTN mobile money, or should we integrate third-party providers? Should subscription validation work partially offline (grace period logic) or strictly require periodic server checks? Do you want multi-language support for different regions in future phases? For reports, do you prefer simple in-app charts only or downloadable PDF/Excel from the start? Best Regards, Srashtasoft Team
$240 USD in 7 days
7.0
7.0

Hi, You need an offline profit tracker that works without internet—critical for small businesses in areas with spotty connectivity. Quick question: are you syncing to mobile money platforms (M-Pesa, etc.) once connection returns, or is this purely local tracking? We've built exactly this type of app. Message me to discuss the approach. Best Regards, Hasan
$200 USD in 7 days
6.7
6.7

As a seasoned full-stack developer, I bring over a decade of experience to the table, specializing in mobile app development. Your Offline Small Business Profit Tracker App is a powerful tool that can help small business owners better understand and track their financial health. Drawing from my extensive experience in Flutter (your highly preferred framework), I am confident that I can deliver a seamless, offline-first app for both Android and iOS platforms. What differentiates me is not just my technical skill-set but also my deep understanding of the unique challenges faced by small businesses. Throughout my career, I've had the privilege of helping many businesses streamline their operations and maximize their profits through innovative tech solutions. Moreover, having worked extensively on similar subscription-based models with payment integrations like Airtel Money and MTN Mobile, I am well-equipped to develop your chosen monetization system. Building an app with offline capabilities is critical for your target audience and that's why it's great to know that such projects are one of my core competencies. I have ample experience in leveraging local data storage using platforms like SQLite, Hive, etc, to ensure flawless functionality even without an internet connection. With me on board, you can trust that your users will be able to rely on your app as an essential part of their daily operations without any hiccups.
$140 USD in 7 days
6.7
6.7

Hi - the real challenge here is not storing sales offline, it is making the numbers stay understandable and trustworthy after real daily use. These apps often feel fine on day one, but break when a user edits yesterday, takes a withdrawal, goes offline for two days, then comes back with subscription and totals out of sync. That creates confusion fast, so I would treat the calculation ledger and subscription state as the backbone from the start. The flow is: user sets up business and percentages -> enters opening capital, sales, expenses, and withdrawals offline -> app calculates profit, capital portion, savings, and safe-to-spend instantly -> local dashboard and charts update -> when online, subscription status, backup, and sync reconcile safely -> reminders and reports follow the same ledger. The part to get right early is the calculation and sync model, because it affects both usability and financial accuracy. This is very doable with the right structure from the start.
$250 USD in 7 days
6.7
6.7

Hi I will be able to help you in your Profit tracker App. Please message me so that we will have technical overview 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 , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1,000 USD in 30 days
6.6
6.6

Hi, Ready to begin today and finish asap, I understand you need an offline first Flutter app for small African businesses to track daily sales profits expenses and savings with mobile money subscriptions like Airtel Money i will create the simple dashboard daily entry auto savings chillimba reports PDF exports notifications and admin web panel with offline priority Android iOS builds ready for stores. With 7+exp in Flutter Ive built profit trackers for informal traders with SQLite storage auto calculations charts reports and Firebase sync plus payment gateways for subscriptions. NOTE: I have carefully gone through your project details and can assuredly deliver what you require. Kindly review my portfolios, https://www.freelancer.pk/u/zainalitariq245 Looking forward to discussing your project further. Best Regards, ZAIN A...
$300 USD in 15 days
6.3
6.3

Hi There!!! ★★★★ ( Offline-first profit tracking app with mobile money subscription system ) ★★★★ I understand you need a simple, offline-first mobile app for small business owners to track daily sales, profit, expenses, and savings, with automatic calculations and mobile money subscription control. It should be fast, easy for non-technical users, and scalable with admin panel. ⚜ Offline-first Flutter app (Android + iOS) ⚜ Daily entry + auto profit calculations ⚜ Local storage (SQLite/Hive) with sync ⚜ Subscription system with mobile money APIs ⚜ Dashboard with charts & reports ⚜ Firebase backend + notifications ⚜ Admin panel for users & payments I’ve built finance and tracking apps before and really enjoy creating simple tools that solve real problems for users. I would use Flutter + Hive for offline data, Firebase for auth/notifications, and secure APIs for subscription validation. Sync will be smooth and lightweight. Happy to share similar work and discuss timeline, lets connect. Warm Regards, Farhin B.
$110 USD in 10 days
6.6
6.6

Hi,I can build your offline-first profit tracker in Flutter for Android and iOS, with simple UI, local storage (SQLite/Hive), auto profit calculations, reports, and secure mobile money subscription integration with offline grace and backend validation. I’ll also provide an admin panel, cloud sync (Firebase/Supabase), and full deployment support. Timeline: 2 weeks.
$120 USD in 15 days
5.7
5.7

Hi, I understand you want an offline first mobile app that helps small business owners clearly track sales, profit, capital, and savings in a simple and practical way, with reliable subscription handling via mobile money. The key is making the app extremely easy to use while ensuring calculations, data storage, and access control remain accurate even without internet. My approach would be to build the app in Flutter with a strong offline architecture using local storage such as SQLite or Hive, combined with a backend like Firebase or Supabase for authentication, subscription validation, and cloud sync. I would design a clean, minimal UI optimized for low end devices, implement automatic profit and savings calculations, and build a secure subscription system that supports mobile money payments with offline grace logic. An admin dashboard would provide visibility into users, payments, and activity. Before delivery, I will test offline data entry, calculation accuracy, sync behavior, subscription activation and expiry, payment flows, and performance on low end devices to ensure reliability in real world conditions. Best, Justin
$140 USD in 7 days
5.9
5.9

Hello! As per your project post, you’re looking to build an offline first mobile app for small business profit tracking that helps users record daily sales, expenses, capital, and withdrawals while automatically calculating profit, savings, and growth. The system will work seamlessly without internet and sync data when online, while also supporting subscription based access through mobile money. My focus will be on delivering a complete profit tracking and subscription based mobile application, featuring: offline first architecture using local storage like SQLite or Hive, quick daily entry system with automated profit and capital calculations, intuitive dashboard with charts for sales and growth tracking, savings and chilimba module with progress tracking, and mobile money subscription integration with secure validation and reminders. I specialize in full stack mobile development with strong experience in Flutter, offline data synchronization, secure backend systems, and payment integrations using Firebase and scalable APIs. My focus is on building lightweight, high performance applications optimized for low end devices with smooth user experience and reliable data handling. Let’s connect to review your business requirements, payment integrations, and user flow so we can define a clear MVP roadmap and execution strategy. Best regards, Nikita Gupta.
$300 USD in 22 days
5.3
5.3

⭐⭐⭐⭐⭐ Build Offline-First Mobile App for Small Business Profit Tracking ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for an experienced mobile app developer. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for mobile app development. I will create an offline-first app that allows small business owners to track their sales and profits easily. We will use Flutter for a smooth experience and ensure all offline features work perfectly. ➡️ Why Me? I can easily build your offline-first mobile app as I have 5 years of experience in mobile app development, specializing in Flutter, React Native, and backend integration. My expertise includes user authentication, data storage, and analytics. Additionally, I have a strong grip on Firebase and SQLite to ensure the 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. I'm looking forward to discussing this with you! ➡️ Skills & Experience: ✅ Mobile App Development ✅ Flutter Framework ✅ React Native ✅ Firebase Integration ✅ SQLite Database ✅ User Authentication ✅ Data Analytics ✅ Offline Functionality ✅ Payment Integration ✅ UI/UX Design ✅ Cloud Backup ✅ Reporting Features Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
5.2
5.2

✋ Hi There!!! ✋ THE GOAL OF THE PROJECT:- BUILD AN OFFLINE FIRST MOBILE PROFIT TRACKING APP FOR SMALL BUSINESSES WITH AUTOMATED CALCULATIONS, SUBSCRIPTION SYSTEM, AND GROWTH INSIGHTS. I have carefully read and understood your complete requirement including offline data handling, simple UX for traders, and subscription based monetization with mobile money integration. I am best fit for this project because I specialize in building scalable offline first mobile applications with strong backend logic and clean UI for real world usage. 1. Offline first Flutter mobile app with local storage and sync when internet is available 2. Automated profit calculation system with dashboards, reports, and savings tracking 3. Subscription and payment integration with secure access control and admin panel I will provide UI design, database management, testing, backend setup, and full source code delivery at completion. I have 9+ years experience as a full stack developer and have built fintech apps, offline tracking systems, and subscription based mobile platforms. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$119 USD in 7 days
5.0
5.0

Hi there, I can help you build a simple, reliable offline-first app tailored for small business owners. I recommend Flutter for a single codebase across Android and iOS, with strong offline support using Hive or SQLite. The app will allow users to quickly enter daily data and instantly see profit, capital, savings, and growth without needing internet access. Core features like dashboard, daily entry, automatic calculations, savings tracking, and reports will be optimized for low-end devices with a clean and easy interface. Charts and summaries will remain lightweight and fast. Let's connect to discuss and start work! Thanks Saurabh
$140 USD in 7 days
4.7
4.7

Drawing on my years of experience as a mobile app developer, I wholeheartedly believe that I am the ideal candidate to transform your vision for an offline-first Small Business Profit Tracker app into a reality. My emphasis on using Flutter was not just out of preference but also because it delivers fast, scalable apps that are crucial in providing the seamless experience you desire. This includes enabling small business owners to track their daily sales, estimate profits, manage expenses, operations capital and savings all at ease with minimal typing. My track record of creating clean UIs and ensuring smooth user experiences aligns perfectly with your project requirement of an app that's user-friendly for even those with limited technical know-how. As importantly, I've developed business dashboards and admin panels designed to provide comprehensive yet succinct reports. With this experience, I can assure you free-trial phases will accurately reflect features in paid subscription which include the intricate authentication, payment methods, securing backend validation API using appropriate technologies. Furthermore, I have extensive expertise integrating Firebase/Auth/Firestore/Notifications which will enable you to store important data locally without internet and backup/sync it once connected; a function that's vital given our focus here is that the app works offline without internet.
$140 USD in 7 days
4.0
4.0

Hi there, I see you are building a profit tracker specifically for the African informal market (kiosks, tomato sellers, salons). I completely understand the operational environment—requiring "Offline-First" is absolutely essential because mobile data is often turned off. However, true offline-first isn't just caching; it requires complex local databases that seamlessly sync to the cloud without overriding data when the connection returns. To answer your specific requirements: Tech Stack: I strongly recommend Flutter paired with Hive (for lightning-fast local offline storage) and Supabase (PostgreSQL) for the backend. Supabase handles relational financial ledgers much better than Firebase. Payments: Connecting raw MTN/Airtel Money APIs from scratch is expensive. We should use an aggregator API like Flutterwave or Paystack, which natively handles Kwacha mobile money subscriptions and webhooks. Offline Sync: The app will write all sales to Hive locally. A background worker will listen for internet connectivity and silently push the backlog to Supabase. To be completely transparent: $200 is an MVP (Minimum Viable Product) budget. For this maximum bid, I will build Phase 1: the offline-first Flutter architecture, the daily entry screens, and the automated profit/savings calculation logic. Are you primarily targeting Zambia (ZMW Kwacha)? Let's chat so we can define the exact MVP scope and get this app into traders' hands. Faisal Khalid
$200 USD in 5 days
4.7
4.7

Most finance apps fail for small businesses because they are too complex and depend heavily on internet access. I focus on building simple, offline-first systems that work reliably in real conditions. I can develop your app using Flutter with an offline-first architecture (SQLite/Hive + sync layer). Users will be able to record daily entries and get instant profit calculations without internet, while background sync handles backup and subscription validation when online. The core will include clean dashboards, automated calculations, savings tracking (Chilimba), reports, and reminders—designed for low-end devices with minimal input. For monetization, I will implement a secure subscription system with mobile money integrations (Airtel, MTN, Zamtel), including auto-activation, expiry tracking, grace period, and server-side validation to prevent abuse. Backend can be built on Firebase or Supabase with a lightweight admin panel for user, payment, and analytics management. The system will be scalable, secure, and easy to maintain. If you want a practical, user-friendly app built for real-world usage—not just features—I can deliver this end to end.
$140 USD in 7 days
4.1
4.1

Hi, I can build your offline-first Profit Tracker mobile app for Android and iOS designed for small businesses like traders, kiosks, salons, and shops. The app will allow users to easily track daily sales, expenses, capital, withdrawals, and automatically calculate profit, savings, and growth. I recommend using Flutter for a single cross-platform codebase, with SQLite/Hive for offline storage and Firebase or Supabase for authentication, cloud backup, notifications, and subscription validation. The app will work fully offline for daily entries and sync data when internet is available. Features will include business setup, dashboard with profit calculations, reports, savings tracking, reminders, and subscription system with Mobile Money integrations (Airtel Money, MTN, etc.). I can also build a web admin panel to manage users, payments, and analytics. I have experience developing Flutter apps with offline sync, payments, and scalable backend systems. Let’s connect to discuss timeline, tech stack, and project details.
$220 USD in 5 days
4.6
4.6

I can design and build an offline-first mobile app that helps small businesses easily track profit and handle mobile money transactions. This fits well with my background in offline-capable apps, simple financial dashboards, and tools built for non-technical business owners. I’ve delivered mobile apps where users can record sales, expenses, and payments with or without internet, then automatically sync to the cloud once they’re back online. I’m familiar with mobile money integrations and creating clear, minimal interfaces that busy shop owners can use quickly. My approach would be to define key metrics (sales, expenses, profit), design a lightweight offline data model, then layer in secure sync and mobile money flows, followed by testing on real-world use cases. I would love to chat more about your project! Regards
$140 USD in 7 days
4.2
4.2

Hello Client, I’ve read your brief and I’m confident I can deliver a fast, simple offline-first profit tracker for informal African small businesses. I build Flutter apps optimized for low-end Android and iOS, using local SQLite/Hive for daily entries with background sync to Firestore or Supabase when online. I will implement phone/email auth, a minimal business setup, a one-tap daily-entry flow, automatic profit/capital/savings calculations, chilimba auto-save with progress tracking, PDF/Excel exports, and FCM notifications. Subscription via Airtel/MTN/Zamtel mobile money will unlock accounts automatically with server-side validation, device linking and grace-offline logic. An admin web dashboard (Supabase/Postgres or Firebase console) will manage users, payments and reports. Next step: I’ll prepare a short spec and wireframes and start a 2-week MVP sprint, then iterate. Which payment providers (Airtel, MTN, Zamtel) do you want live in MVP, and do you have existing merchant accounts or need help setting them up? Sincerely, Cindy Viorina
$30 USD in 8 days
3.9
3.9

Hello, I can build your offline-first profit tracking app using Flutter for Android and iOS with Firebase/Supabase backend, ensuring fast performance even on low-end devices with local storage (Hive/SQLite) and seamless sync when online; the app will include simple daily entry, automatic profit calculations, savings tracking, reports, notifications, and a secure subscription system with mobile money integration, along with a clean, easy-to-use UI designed for non-technical users, plus an optional admin panel for managing users and payments, and I will deliver full source code, store-ready builds, documentation, and deployment support; for your questions, I recommend prioritizing mobile money providers that offer stable APIs (Airtel/MTN first) and supporting a single business per user initially for simplicity, and if a user edits past entries the app should automatically recalculate all affected data to maintain accuracy; I have experience with offline sync and scalable architecture and can complete this as an MVP within a structured timeline, ready to discuss details and start immediately.
$140 USD in 7 days
3.9
3.9

Lusaka, Zambia
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