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  1. Home
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Shack Logo

Shack

AI-powered C2C marketplace with no fees or ads

Artificial IntelligenceSaaS
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What is Shack?

Shack is a C2C auction marketplace designed for real people—not businesses. It’s entirely fee‑free for both buyers and sellers, shows zero advertisements, and prohibits stock photos to keep listings authentic. Currently available in Switzerland, Germany, Austria, and the United States on iOS.

List an item in 10 seconds: take a photo, and Shack’s AI instantly writes the title, description, and even suggests a price. Buyers explore auctions on an interactive map, bid live, and pay safely via TWINT, EUR, PayPal, or cryptocurrency. Every listing is reviewed by the Shack team to block professional resellers, dropshippers, and factory‑made goods.

Key highlights:

  • Zero transaction fees—ever
  • AI‑powered photo listings
  • Live auction bidding with map discovery
  • Curated, retailer‑free marketplace
  • Optional crypto payments plus Shack Coins for platform fees

Download Shack for iOS and experience a trust‑first, no‑noise marketplace.

How to use Shack

  1. 1

    Download the Shack iOS app and sign up using Apple Sign‑In.

  2. 2

    Take a photo of the item you want to sell.

  3. 3

    Let AI generate the auction listing—review and publish it instantly.

  4. 4

    Explore the map to find local auctions and place bids.

  5. 5

    When your item sells, receive payment via your chosen method (TWINT, PayPal, crypto).

Key features

Photo AI creates listing titles, descriptions, and price suggestions in seconds

Interactive map to explore and bid on nearby auctions in real time

100% fee-free transactions; sellers and buyers never pay a cent

Payment via TWINT, PayPal, bank transfer, or cryptocurrency

Human-curated listings block retailers, dropshippers, and mass-produced goods

Use cases

  • A private seller listing used furniture in seconds without writing a description.
  • A collector discovering rare, second-hand items nearby and winning them at auction.
  • Someone clearing out a closet and selling items entirely fee‑free.
  • A buyer hunting for vintage clothes while avoiding commercial retailers.
  • Making a quick sale and being paid immediately via crypto.

Best for

Second‑hand sellersLocal bargain huntersAuction enthusiastsiOS‑only usersFee‑avoidant sellersCrypto‑savvy buyers

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Frequently asked questions about Shack

Common questions to help you decide if Shack is right for you.

Yes, Shack charges no transaction fees for buyers or sellers. The only costs are optional platform fees paid with Shack Coins (in‑app purchases).

Simply snap a photo of your item, and the AI automatically suggests a title, description, and price. You can review and publish the auction within seconds.

Buyers can pay sellers via TWINT (CHF), EUR bank transfer, PayPal, or cryptocurrency (Bitcoin, Ethereum, Solana, USDC). Sellers may enable optional crypto payments.

No. Every listing is human‑reviewed to block professional resellers, dropshippers, and new retail items. Only genuine, second‑hand goods from individuals are permitted.

Shack is currently an iOS‑exclusive app requiring iOS 17.0 or later. An Android version is not yet available. Visit shack.xyz for updates.

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Launch facts

Publisher
Julius IlgJulius Ilg
Launched
Dec 2, 2025
Pricing
freemium
Platforms
mobile

Tech stack

#iOS
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