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Alt: Buy & Sell Cards

Alt: Buy & Sell Cards

24/7 Auctions or Buy It Now

13K ratings
230 reviews
#114 in free Sports
💰 Finance
⚽ Sports
Free

Details

  • Released
  • Updated
  • September 30, 2021
  • July 20, 2026

Features

Developer

Alt Platform Inc.
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Alt: Buy & Sell Cards screenshot #1 for iPhone
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Alt: Buy & Sell Cards screenshot #8 for iPhone
iphone
ipad
📈no. 114
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❓5 answered
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About

A mobile marketplace for buying and selling trading cards. It features 24/7 auctions, fixed-price sales, and a cash advance program. Users can also track card values and manage their collection.

✓24/7 auction and fixed price marketplace
✓Cash advance program for sellers
✓Detailed data and card values
✓Collection management
✓Dual-list on Alt and eBay
✓Bi-weekly Liquid Auctions
Show original description

What users say

Summarized from real user reviews of Alt. Based on 13K reviews and a 4.9/5 average, it highlights the 6 positives and 5 negatives reviewers mention most about this Sports app.

Positive things

  • 💎Excellent for tracking card values and market trends
  • 🏪Wide selection of cards and auctions
  • 🤝Great customer service and quick responses
  • 🏆Best app for sports card collectors and investors
  • 🔍Powerful search and comparison tools
  • 🔒Secure vaulting and storage services

Negative things

  • 🐛Occasional app crashes and glitches
  • 📱Camera focus issues when scanning cards
  • 🕰Slow app performance and updates
  • 🤔Requires full social security number for account setup
  • 💰High fees for selling cards
See all reviews

What's New in Alt

3.191.0

July 20, 2026

Various bug fixes and performance improvements.

Charts

Top Free

📈 114+3

Sports

This app rose +3 positions in Sports chart.

Last updated on August 9, 2026.

User reviews

Most RecentHighest RatedLowest Rated

I love ALT

Easy to use 🔥
_yeay0ukj_yeay0ukj

Hmm

Great for comps but recently tapping between different grades doesn’t work and comps aren’t coming up. Strange!
dadmin83dadmin83

Atl

Very good
maison_de_gaylemaison_de_gayle

Worst Auction house in the business

Absolute disaster of a place. You will lose thousands of dollars by sending your cards to them. I advise anyone and everyone to not do so. I had offers for my cards twice as much as what my cards sold for at their auction. I was convinced to do so by their vip rep whom i met at a card show. Biggest mistake i’ve ever made. DO NOT USE ALT TO AUCTION YOUR CARDS! only use them to buy as you’ll be able to literally steal them. Absolute Joke of a place.
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Melissa’s kitchenMelissa’s kitchen

Best Auction House of 2026

ALT has everything you want from an auction house and nothing you don’t. Fast and reliable service and seller friendly support make it a breeze to list on ALT. This will be my “go-to” auction site from now on!
dh had ghdh had gh
See 225 more reviews

User experience

🐞

Reported Bugs

4 issues

Unable to create an account or login consistently

Bug

Card scanning feature not working as expected

Bug

Delayed payment processing and fund transfers

Bug

Incorrect card valuations and data errors

Bug
✨

Requested Features

5 requests

Add ability to track and manage personal card collections

Feature

Implement more marketplace integrations beyond just eBay

Feature

Provide pricing data and comps for raw (ungraded) cards

Feature

Improve search functionality and browsing experience

Feature

Add horizontal viewing mode, especially for iPad users

Feature

FAQ

What can I do with the Alt app?

The Alt app is a comprehensive marketplace for buying and selling trading cards. You can participate in 24/7 auctions, buy cards at a fixed price, access the hobby's largest cash advance program, view detailed card data and values, and manage your entire collection directly from your mobile device.

How does selling work on Alt?

Sellers can list their cards for a 14-day continuous auction for maximum visibility, or utilize the fixed price marketplace. The app also offers the largest and quickest cash advances in the industry, competitive selling fees, fast payouts, and the ability to dual-list on Alt and eBay.

How can I buy cards on Alt?

Buyers can bid in bi-weekly Liquid Auctions or purchase cards directly from the Fixed Price Marketplace. The app provides an exciting extended bidding experience and allows users to view past auction sales, card values, and data trends to make informed decisions.

Is there a cost to use Alt?

The provided information indicates that the app itself is free to download and use. Monetization details beyond the core marketplace functionality, such as specific selling fees or premium features, are not explicitly detailed in the description.

What kind of data does Alt provide for cards?

Alt offers detailed data and card values directly within the app. This includes information on past auction sales, current card values, and market data trends, helping both buyers and sellers make more informed decisions about their trading card transactions.