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Alt: Buy & Sell Cards

Alt: Buy & Sell Cards

24/7 Auctions or Buy It Now

14K ratings
237 reviews
#166 in free Sports
💰 Finance
⚽ Sports
Free

Details

  • Released
  • Updated
  • September 30, 2021
  • August 24, 2026

Features

Developer

Alt Platform Inc.
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Alt: Buy & Sell Cards screenshot #1 for iPhone
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iphone
ipad
📉no. 166
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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 14K 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

3.193.0

August 24, 2026

Various bug fixes and performance improvements.

Charts

Top Free

📉 166-1

Sports

This app dropped -1 position in Sports chart.

Last updated on September 19, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Will not let me scan

I’ve tried to scan my BGS and PSA cards but it keeps saying “cert not found” terrible app do not recommend.
KarterS09KarterS09

Long wait time to speak to agent about cards

Very misleading and lacking customer service I submitted a 33 cards order accepted my cash advance only to run into problems now they have my cards ready to sell but I’m out of my advance now and no help from customer service I’m waiting 2 days now also very horrible customer service experience
Sam Robert’sSam Robert’s

Idk

Great app, has an on point value overall 5stars
OppposjjsOppposjjs

Great app

Great app easy to use
redhotfabiredhotfabi

The King of Actions!

How do you not love the “No Sales Tax!” The stock and selection is always deep. I’ve purchased over $100k so far and continue to watch every Thursday auction. They’ve delivered my cards to Nevada as advertised with no issues. Very happy with Alt.
StevieD1212StevieD1212
See 232 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.