Double Holo: Card Marketplace
Collect smarter, save more.
Free · In-App Purchases
Stop overpaying for trading cards. Know which cards to buy, sell, or grade. Buy and sell trading cards with the lowest fees.
Double Holo is the modern marketplace and intelligence platform for trading card collectors.
BUY & SELL WITH THE LOWEST FEES
List and sell singles, graded cards, and sealed products with just a 4.9% seller platform fee (minimum $1) - significantly lower than other platforms. Lower fees mean better prices for buyers and more money in sellers' pockets.
KNOW WHAT TO BUY, SELL, AND GRADE
Premium tools help you make smarter decisions:
• Curated Top Picks — Weekly card recommendations based on real market buzz
• Reddit Sentiment — See which cards collectors are talking about and why
• Pack Value Analysis — Know the expected value of every pack before you open it
• Grading ROI Analysis — Compare submission profit potential across PSA, BGS, CGC, and TAG
• Submission Builder — Simulate grading outcomes before you send cards in
• Price Forecasting — AI-powered predictions for where prices are headed
• Advanced Charting — RSI, MACD, Bollinger Bands, and moving averages
• Market Alerts — Get notified about price spikes, buyouts, trending cards, and arbitrage opportunities
SHINY PRO INCLUDED
Every premium subscription includes Shiny Pro - a collection management app that tracks your portfolio value in real-time, synced with Double Holo market data. ($60/year value)
BUILT FOR COLLECTORS
Whether you're building a personal collection, opening packs for fun, or running a card business, Double Holo gives you the tools to stop guessing and start making confident decisions.
• Browse thousands of trading cards with real-time pricing
• Search by name, set, or scan a card with your camera
• Track your wishlist and get notified when prices drop
• Secure checkout powered by Stripe
Download Double Holo and join the smarter way to collect.
Terms and conditions: https://doubleholo.com/terms
- Vendor hub bugfixes
- New UI design
The developer, Double Holo Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Purchases
- Contact Info
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Double Holo Inc.
- Size
- 219.6 MB
- Category
- Shopping
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Contains
Messaging and Chat
- In-App Purchases
Yes
- Essentials Annual $79.99
- Growth Annual $249.99
- Essentials Monthly $12.99
- Growth Monthly $29.99
- Essentials Monthly $19.99
- Growth Annual $399.99
- Growth Monthly $39.99
- Essentials Annual $229.99
- Copyright
- © 2026 Double Holo Inc.
