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MarketPlace Monitor – Real-Time Deal Sourcing for Resellers
MarketPlace Monitor is a cross-platform tool that scans marketplaces in real time and sends instant alerts for new listings, giving resellers a first-mover advantage on profitable deals.
platform
Mobile Application
team
4 Members
location
United Kingdom
industries
E-commerce SaaS
Project Background
Project Background
MarketPlace Monitor is a cross-platform deal-sourcing tool built for resellers and flippers. The app monitors user-defined search terms across popular online marketplaces - Facebook Marketplace, OfferUp, eBay, Craigslist, Gumtree, and more - and delivers instant push notifications when new listings appear. Being first to a deal is everything in the reselling business, and MarketPlace Monitor gives users that competitive edge.
Empiric Infotech developed the cross-platform mobile app, building a real-time monitoring engine with multi-marketplace integration and a tiered subscription system.
Business Needs
Business Needs
- Build a cross-platform mobile app for iOS and Android
- Implement real-time monitoring across multiple marketplaces simultaneously
- Develop instant push notification alerts for new listings
- Create customizable search term management
- Build a grid view for browsing results with save/bookmark functionality
- Implement tiered subscription model (Starter to Expert Plus)
- Support multiple languages (English, Dutch, French, German, Italian, Spanish)
- Provide 7-day free trial and dedicated account manager support
Tech stacks
Flutter Flow
For Frontend
Python
For Backend
Service Provided
Project Challenges
- Building reliable real-time monitoring across multiple marketplace platforms with varying APIs
- Ensuring instant push notification delivery for time-sensitive deal alerts
- Handling high-volume data scraping and processing at scale
- Implementing a tiered subscription system with 7-day free trials
- Supporting 6 languages for international reseller markets
- Maintaining monitoring accuracy across platform changes and updates
Strategy and Solutions
- Built a robust real-time monitoring engine scanning multiple marketplaces simultaneously
- Implemented instant push notifications ensuring users are first to new listings
- Developed customizable search term management across all supported marketplaces
- Created an intuitive grid view with save/bookmark functionality for deal tracking
- Delivered 4-tier subscription model (Starter $24.99 to Expert Plus $169.99)
- Provided dedicated account manager support 7 days/week
Results & Impact
- App live on both Google Play and App Store with 52+ ratings
- Continuous development - currently at version 4.0.85
- Active since June 2024 with regular updates
- Multi-tier subscription model driving recurring revenue
- 6-language support serving international reseller markets
- Power users on Expert Plus tier ($169.99) demonstrating strong product-market fit
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