4Seller: Order & Inventory

4Seller: Order & Inventory

Pricing
Free to install. Additional charges may apply.
Popular with stores like yours
Based in United States
Rating
5.0 (45)

Manage marketplace orders, inventory, listings, shipping, and Amazon MCF/FBA in one system.

4Seller helps multichannel merchants manage ecommerce operations from one dashboard. Connect Amazon, Walmart, eBay, TikTok Shop, Etsy, Temu, SHEIN, and other marketplaces to organize listings, inventory, orders, shipping, and fulfillment. Sync listings and stock levels across channels to reduce manual updates and help prevent overselling. Process marketplace orders in bulk, compare carrier rates, buy and print shipping labels, and send tracking numbers back to sales channels.

4Seller helps multichannel merchants manage ecommerce operations from one dashboard. Connect Amazon, Walmart, eBay, TikTok Shop, Etsy, Temu, SHEIN, and other marketplaces to organize listings, inventory, orders, shipping, and fulfillment. Sync listings and stock levels across channels to reduce manual updates and help prevent overselling. Process marketplace orders in bulk, compare carrier rates, buy and print shipping labels, and send tracking numbers back to sales channels. more
  • Manage orders across Amazon, Walmart, eBay, Etsy, Temu, SHEIN, and TikTok Shop
  • Sync inventory across channels, locations, SKUs, and bundles
  • Create, migrate, and manage product listings across marketplaces
  • Buy USPS, UPS, FedEx, GOFO, UNIUNI, SWIFTX, and Shippo shipping labels in bulk
  • Automate Amazon MCF/FBA fulfillment and sync tracking numbers
Popular with stores like yours
Based in United States

Languages

English, Spanish, French, Italian, German, and Chinese (Simplified)

Works with

  • Amazon
  • Fedex
  • Shippo
  • TikTok shop
  • USPS
  • Walmart

Pricing

Choose the plan that best fits your business.

Free

Free to install

4Seller is free to use. (shipping fees charged solely by third-party logistics carriers)

All charges are billed in USD.

Reviews (45)

Overall rating
5
Counts per rating level
  • 98% of ratings are 5 stars
  • 0% of ratings are 4 stars
  • 2% of ratings are 3 stars
  • 0% of ratings are 2 stars
  • 0% of ratings are 1 stars
May 28, 2026

4Seller has been a great solution for managing our multichannel business. The integration with Shopify and Amazon FBA works very well and saves us a huge amount of time every day.

The interface is clear, synchronization is fast, and the support team is responsive and helpful whenever needed. We especially appreciate the automation features for orders, inventory, and marketplace management.

A very powerful tool for scaling an e-commerce business efficiently. Highly recommended!

Everbloom
France
3 months using the app
February 12, 2026

★★★★★

We’ve had an excellent experience with 4Seller from day one. The onboarding was handled through a dedicated one-to-one Zoom session, which made the setup process clear, efficient, and tailored to our business model. Having direct access to a knowledgeable specialist meant we could get everything configured correctly without the usual trial-and-error you see with other platforms.

As a global Amazon brand, we rely heavily on accurate inventory and fulfilment workflows, and 4Seller has enabled us to seamlessly integrate TikTok Shop with our Amazon MCF stock, as well as connect Shopify for multi-channel fulfilment. The synchronisation is reliable and has significantly reduced manual intervention across regions.

We are now also exploring Temu integration due to the additional functionality available within the platform, which shows how scalable the system is as we expand into new marketplaces.

Overall, it’s a powerful solution backed by responsive customer service and a team that understands cross-border e-commerce. An amazing product that genuinely simplifies multi-channel operations.

Vorlich Technology
United Kingdom
3 days using the app
August 15, 2025

Essential for multi-platform sellers! This app makes managing listings across different marketplaces effortless. Syncing is fast, bulk edits save time, and the interface is super easy to use. A real productivity boost—highly recommended! Joline Chan help me in the process

M.P.C. srl
Italy
4 days using the app

Support

App support provided by 4Seller Technology (America) Co.,Ltd.

Developer

4Seller Technology (America) Co.,Ltd

324 S DIAMOND BAR BLVD, UNIT NUM 717, DIAMOND BAR, CA, 91765, US

Launched

July 13, 2023

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