Meta Launches Dedicated 'Seller' App for Facebook Marketplace with AI-Powered Listing Tools

Meta has launched Seller, a standalone iOS app designed for frequent Facebook Marketplace sellers in the United States. Meta says the app uses uploaded photos to generate draft listing titles, descriptions, price suggestions, and categories. Tech Times reported that the listing tools use Meta's Llama 4 multimodal AI and generate pricing suggestions from comparable active listings in the seller's area. The app also includes a unified inbox, inventory management, and performance insights. According to Meta, 430 million items are listed on Facebook Marketplace globally each month.

Standalone seller app launch

• ▪Meta launched Seller, a standalone iOS application designed specifically for Facebook Marketplace sellers to manage listings, messages, and sales history
• ▪The Seller app is available on the Apple App Store for United States users aged 18 and older, with Android testing and a web experience currently underway

Llama 4 listing generation

• ▪Llama 4 processes text and image tokens together from the first layer using an early fusion neural backbone, replacing the older DeepText and Lumos concatenation systems
• ▪Tech Times reported that the Seller app uses Meta's Llama 4 multimodal AI model to analyze uploaded photos and generate draft listing titles, descriptions, and categories

Real-time local pricing

• ▪According to Tech Times, the Seller app's pricing engine generates price suggestions by querying comparable active listings in the seller's geographic area in real time
• ▪According to Tech Times, the pricing engine calibrates suggestions using current comparable listings in the seller's area rather than historical sold-item databases

Power seller business tools

• ▪The Seller app features a home dashboard that displays pending tasks such as items to ship, unanswered buyer messages, and listings needing repricing
• ▪The Seller app provides performance insights tracking listing-level metrics including views, clicks, message threads, and completed sales
• ▪The Seller app includes a unified inbox that organizes buyer conversations by listing, threading all messages related to a specific item together

Marketplace scale metrics

• ▪Facebook Marketplace monthly listings include 75 million home decor items, 60 million fashion items, 45 million electronics, and 44 million vehicles
• ▪According to Meta's March 2026 data, more than 3.5 million listings are posted daily on Facebook Marketplace in the United States and Canada
• ▪Facebook Marketplace hosts approximately 430 million item listings globally each month