SellerBook:Sales for Flea Apps

SellerBook is a sales management app designed for flea market sellers and resellers on apps. Manage daily sales on your Android phone without a PC, track purchase prices, packaging costs, shipping fees, and commissions, and view monthly net profit at a glance. The app is optimized for quick, smartphone-friendly data entry and presents totals in clear graphs.

Developed with input from active flea market sellers, SellerBook consolidates cross-platform sales from Mercari, Rakuma, Yahoo Auctions, and similar apps in one place. It supports sales stages from before listing to completed transactions, includes data backup and restore for easy device migration, and requires no initial registration so you can start right away. It's a practical, affordable tool for local markets and online resales alike.