Daily Winners
Winners for August 1, 2026
These projects were selected as the top performers of the day.
Prefactor
#1 Project of the dayMost agents pass their evals and fail in production. Prefactor is the evaluation layer that closes the gap. We score every agent run in real time, surface quality regressions and drift as they happen, and show engineering teams exactly how their agents are performing at scale. Built for the teams shipping agents to customers.
FlipperHelper
#2 Second placeFlipperHelper is a free, offline-first iOS application designed specifically for resellers who source items in person. It serves as a comprehensive inventory and profit tracker, helping users manage their reselling business from purchase to sale across multiple platforms. This SaaS is ideal for car boot sale flippers, flea market sellers, charity shop resellers, and side hustlers using platforms like eBay, Vinted, Depop, and more, who need to accurately track their inventory and understand their real profitability. Key Features 16 Selling Platforms: Track listings across major platforms including eBay, Vinted, Facebook Marketplace, Depop, Poshmark, and Mercari. Multi-Currency Support: Buy in one currency (e.g., GBP) and sell in another (e.g., USD) with automatic daily exchange rates for USD, EUR, GBP, CAD, and AUD. Comprehensive Expense Tracking: Log all costs, including entry fees, transport (car, bus, train, taxi), and other expenses, ensuring accurate profit calculations. Offline-First Functionality: Works perfectly without an internet connection, storing all data locally on your iPhone with automatic iCloud backup. Triple Backup System: Features automatic iCloud backup, one-tap Google Sheets export, and background photo sync to Google Drive for ultimate data safety. Hauls & Trip Tracking: Group items and expenses by sourcing trip to analyze per-trip profitability and identify the most lucrative markets. Use Cases FlipperHelper is invaluable for resellers who frequently visit physical markets like car boot sales or flea markets. Users can quickly snap photos of purchases, log prices, and assign unique SKUs on the spot, even without WiFi. This eliminates the need for manual notes or remembering details later, streamlining the initial sourcing process. The app then allows resellers to track where items are listed across 16 different platforms, monitor asking prices, and ultimately record sales. By automatically factoring in all expenses—from market entry fees and transport costs to the item's purchase price—FlipperHelper provides a clear, real-time view of actual profit, helping users make data-driven decisions about their inventory and sourcing strategies. Pricing Information FlipperHelper is completely free to download and use. All current features, including item tracking, expense management, profit calculation, multi-currency support, and robust backup options, are available at no cost. There are no ads or hidden fees, and no account is required to use the app. User Experience and Support Designed with a simple workflow, FlipperHelper offers an intuitive user interface that makes tracking inventory straightforward. The app prioritizes user data privacy by storing all information locally on the device, with automatic iCloud backup for peace of mind. Users benefit from features like smart market suggestions, listing reminders via push notifications, and visual share cards for social media. Comprehensive support is available through an extensive FAQ section and contact options. Technical Details Built by a single developer using AI-assisted development, FlipperHelper is a native iOS application written in Swift. It leverages SQLite for efficient data storage and requires iOS 17+. The app's architecture is offline-first, ensuring reliability even in areas with poor connectivity, and integrates with iCloud and Google services for robust backup solutions. Pros and Cons Pros: Completely free with no ads or hidden costs. Offline-first functionality for market sourcing. Comprehensive expense tracking for real profit calculation. Multi-currency support with automatic exchange rates. Robust triple backup system (iCloud, Google Sheets, Google Drive). Designed specifically for in-person sourcing resellers. Cons: Exclusively available on iOS (iPhone only). Not a cross-listing tool; requires manual listing on platforms. No Android version available. Conclusion FlipperHelper offers an indispensable, free solution for resellers seeking to streamline their inventory management and accurately track their profits. Its offline capabilities, extensive expense tracking, and multi-platform support make it a powerful tool for anyone serious about reselling. Download FlipperHelper today to transform your reselling business with smart, data-driven insights.
Calm Sea
#1 Project of the dayCalm Sea shows you your complete financial picture, net worth, assets, liabilities, investment properties, and retirement projection, all in one clear view. Free to start, no bank linking required.
MintColoring
#3 Third placeFree high-quality printable coloring pages to spark kids' creativity.
About Daily Winners
Each day, DevHub automatically ranks the top 3 most upvoted projects that were launched.