4Seller: Order & Inventory

Manage orders, inventory, listings & fulfillment

by 4Seller Technology (America) Co.,Ltd · Launched: July 2023 · Free plan available.

5.0 (43) on Shopify

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

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About 4Seller: Order & Inventory

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. 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 Show more Show less

Last verified: July 16, 2026 · Fresh

App details

Developer: 4Seller Technology (America) Co.,Ltd
Category: Orders & shipping
Pricing: Free plan available
Launched: July 2023
Rating: 5.0 (43) on Shopify

Key features

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

Integrations with:

Amazon, Fedex, Shippo, TikTok shop, USPS, Walmart

1 plan · starts free

Free

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 64 Shopify App Store reviews

Use the arrows to read individual reviews

Really impressed

— Helioclipse

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 ver...

— Everbloom

empty

— Sagrada Madre

I’ve had a great experience using 4Seller for my e-commerce business. This app is not only useful for Shopify, but also for managing marketplace integrations across different sales channels. It is a powerful all-in-one solution for product listings, inventory synchronization, order management, and keeping everything organized in one place. In my opinion, 4Seller can easily replace many of the pai...

— Kasa Style

Vikta has been an absolute pleasure guiding me through this App. Thank you for all the help!

— The Pop Plug

I’ve been using 4Seller for my Shopify store, and it has made a noticeable difference in how efficiently I manage my business. The inventory synchronization and product mapping features are extremely reliable, especially when working across multiple platforms. It saves a lot of manual effort and reduces errors that usually happen with multi-channel selling. One of the standout aspects for me is...

— Rayz Mart

Thanks for Joline kind service to guide me how to use step by step. 4Seller has been a game-changer for our multi-channel eCommerce operations. Managing orders across TikTok Shop, Amazon, and Shopify used to be chaotic, but 4Seller brings everything into one clean, centralized workflow. Inventory sync is reliable, shipping automation saves us hours daily, and the interface is very intuitive. Highl...

— 我的商店

★★★★★ 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 globa...

— Vorlich Technology

This is a very useful e-commerce tool. I encountered an issue while setting up my account and contacted support immediately. They helped me solve the problem quickly and efficiently. I recommend it to everyone!

— DACHIC HAIR

best

— Steel Balance Studio

This App is exactly what we were looking for! Syncing listings and keeping the inventory in sync between Shopify, Ebay, Amazon and Temu. I cannot fault the support team who have helped from the moment we signed up (shout out to Lydia) and offer it across multiple platforms and on top of this listen to feedback.

— Bowfinity

Honestly, the best thing about it is that it's free; otherwise it is extremely slow. It glitches so If your trying to edit, it may not load all of the info already there and you have to keep refreshing until it populates again or just re-do it. Needs too much unnecessary information, that I dont even have on my Shopify in order to publish. Im working with it because at this point ive done so much...

— PRODUCT Clothing Brand

I’ve been using 4Seller for a while and it has really improved my workflow. Product optimization, bulk editing, and automation features are very practical. Support team is also responsive and helpful. Great app for serious sellers.

— skyneasy

Great app with strong features and reliable performance. Support team is very helpful and responsive. Highly recommended!

— Nilight

We started using 4Seller a few months ago and are very happy with the inventory management and product mapping options it offers across different integrations. Previously, we used paid platforms that promised great results but had many flaws. What we liked most about 4Seller is their WhatsApp support. The technical support team quickly resolved a problem we had with some Amazon products, and they...

— theStock®

This is what I was looking for for multi-platform sales.

— OleocaToys

The app is convenient and easy to use. Customer support responds and resolves issues very quickly. Great experience—special thanks to Joline Chan. I will definitely recommend this app to others.

— Bayeas

Amazing support by Joline!

— Fanatiko

4Seller has proven to be a very useful tool for managing all my inventory across different e-commerce platforms. It allows me to centralize my product information, synchronize stock, and update prices automatically, saving a lot of time and preventing errors

— Didart