当家 is a free lifestyle app designed for iPhone users seeking a transparent and efficient home renovation experience. The app connects users with designers, contractors, and craftsmen, allowing direct transactions without intermediaries, ensuring clear pricing and quality assurance. Users can obtain detailed cost breakdowns for their renovation projects, facilitating price comparisons and budget management.

The platform offers a variety of services including professional inspection, home design, and flexible purchasing options for construction projects and materials. Users can pay only after project completion and acceptance, minimizing financial risk. With verified craftsmen and a no-commission policy, 当家 emphasizes quality service and customer satisfaction, making it a valuable tool for anyone looking to renovate their home.