Answers — Common Questions About Guardian TCG

Everything you need to know about Guardian TCG: what we do, which TCGs we support, how we get prices, and how the card scanner works.

What is Guardian TCG?

Guardian TCG is a market analytics platform for trading card games. We track real-time prices, detect market movements like buyouts and spikes, and help collectors manage their portfolios across 14+ TCGs.

Is Guardian TCG free to use?

Yes! Guardian TCG is free to use with 35 free scans, 3 full pre-grade reports, unlimited free CSV imports, full card pricing, portfolio tracking, and market alerts. Pro unlocks unlimited full reports, Lab IDs, unlimited imports, and all saved report history.

Which card games do you support?

We currently support 14+ TCGs: Pokemon, One Piece, Yu-Gi-Oh!, Disney Lorcana, Magic: The Gathering, Digimon, Star Wars Unlimited, and more.

Do you have a mobile app?

Yes! Guardian TCG is available on the App Store for iPhone and on Google Play for Android with AI card scanner, portfolio tracking, and push notifications.

How accurate are your prices?

Our prices are sourced from multiple marketplaces using a weighted blending system across TCGPlayer, PriceCharting, eBay sold data, and other verified marketplace sources.

How often are prices updated?

Prices are updated continuously. eBay sold data refreshes every 10 minutes, marketplace partners sync every 2 hours, and comprehensive syncs run multiple times daily.

Where does your data come from?

We aggregate from TCGPlayer, PriceCharting, eBay sold listings, and additional marketplace partners, weighted by reliability and recency.

Do you track graded card prices?

Yes! We track PSA, BGS, and CGC graded card prices with population data from GemRate.

Can I import my collection from another app?

Yes! CSV import from TCGPlayer, PriceCharting, Collectr, and more with smart matching algorithms.

Can I export my collection data?

Yes, export your full collection to CSV with cards, quantities, and values at any time.

Can I share my collection with friends?

Yes! Generate shareable links to your collection with real-time pricing and social media previews.

How does portfolio tracking work?

Add cards via scan, CSV, or manual entry. Guardian tracks total value, daily changes, and historical performance automatically.

How does the card scanner work?

AI identifies cards in under 500ms using on-device detection and visual matching. No cloud upload required.

How many scans do I get for free?

Free users get 35 free scans and 3 full pre-grade reports. After that, you still get a grade on every scan — full report detail unlocks with Pro. All reports are saved, so upgrading unlocks your entire history.

Does the scanner work offline?

Card detection runs on-device, so basic scanning works offline. Internet needed for prices.

What does Guardian Pro include?

Price history charts, AI grading, market screener, price alerts, portfolio analytics, Discord integration, and more for $7.99/mo. Scans and imports are free for everyone.

Can I cancel anytime?

Yes, cancel at any time. Pro features remain active until the end of your billing period.

Do you offer a free trial?

Yes — Pro annual plans include a 7-day free trial with unlimited full reports, Lab IDs, and full analytics. The free tier gives you 35 free scans, 3 full pre-grade reports, unlimited free CSV imports, and portfolio tracking.

Is my collection data private?

Yes, private by default. Only visible if you explicitly share. We never sell your data.

Do you store my card scan images?

Identification runs on-device from live camera frames. If you confirm a scan or save a card, a cropped image of the card (not your room) may be stored with your account for history, recognition, and Pre-Grade Reports. Delete those items or your account to remove them. Details: https://guardiantcg.app/privacy#scanner-data

How much are my Pokemon cards worth?

Pokemon card values range from $0.10 to $10,000+. Use Guardian TCG's free card scanner to check instantly.

What is a buyout in the TCG market?

A buyout occurs when buyers purchase all copies of a card, creating scarcity and driving prices up. Guardian detects these in real-time.

How do I know if a card is going up in value?

Use Guardian's market screener for 7-day movers, price history charts, and custom price alerts.

What are the most valuable TCG cards right now?

Check Guardian TCG's Market Screener for 7-day top movers across 14+ games.

How do I check MTG card prices?

Search any MTG card on Guardian TCG or use the free AI scanner to identify and price cards from photos.

Are One Piece cards a good investment?

One Piece TCG has seen significant growth. Guardian tracks all prices in real-time for data-driven decisions.

What is AI card grading?

AI grading analyzes card photos to estimate PSA/BGS/CGC grades by examining centering, surface, edges, and corners.

How accurate is AI grading compared to PSA?

AI grading is a screening tool — best for identifying PSA 9+ candidates before paying for professional grading.

Should I get my cards graded?

Generally worth it for cards worth $50+ in raw condition. Use Guardian's AI grading to screen first.

How does Guardian TCG compare to TCGPlayer?

TCGPlayer is a marketplace; Guardian is market analytics with AI scanning, buyout detection, and price alerts.

Is Guardian TCG better than PriceCharting?

Guardian adds AI scanner, buyout detection, mobile app, and eBay comps that PriceCharting doesn't offer.

What's the best app for tracking card collection value?

Guardian TCG tracks portfolio value across 14+ TCGs with real-time prices, P&L tracking, and free scanning.