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Shack

C2C Marketplace - Unlock Space & Find Treasures

AI-powered C2C marketplace - no fees, no ads, no stock photos.

ByShack

LaunchedMonday, November 17, 2025

•What is Shack?

Shack is a C2C marketplace app that allows users to sell and bid on unique items through live auctions. It leverages AI technology to streamline the auction process, making it quick and efficient for both buyers and sellers.

•How to use it

To use Shack, download the app and sign up using Apple Sign-In. You can list items for auction by uploading photos, and the AI will generate titles and descriptions for you. Browse nearby auctions on the interactive map and place bids in real-time.

•Background

Shack was developed in Switzerland with a commitment to speed, security, and innovation in online trading. The platform focuses on authentic listings by curating auctions to protect against retail new items sold by professionals. With no transaction fees, Shack aims to provide a hassle-free experience for its users.

Frequently Asked Questions

How do I sign up for Shack?

You can easily sign up using Apple Sign-In within the iOS App.

What currency is used to transact between buyer and seller?

The buyer can pay the seller in CHF via TWINT, EUR, PayPal, or through cryptocurrency if the seller offers this payment method.

Are there any fees for using Shack?

Buying and selling on Shack is completely free of charge, with no transaction fees ever.

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