---
title: "Card Centering & Grading Tool - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Gradeon provides trading card and sports card enthusiasts with a precise way to evaluate if their cards meet professional grading standards. Utilizing advanced AI technology alongside manual tools, th"
---

# Card Centering & Grading Tool — United States
> AI Digital TCG Sports Scan

![Card Centering & Grading Tool App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/d6/03/52/d6035222-38c7-47d7-61fa-41317e8dd44c/AppIcon-0-0-1x_U007epad-0-1-85-220.jpeg/434x0w.png)

**Developer:** [WarthogLab](https://apptail.io/developer/warthoglab-hAM)
**Category:** Utilities
**Rating:** 4.3/5 (8 ratings)
**Price:** Free
**Bundle ID:** com.warthoglab.gradeon
**Store:** Apple App Store
**Country:** United States
**Version:** 1.2.0 (released 2026-02-14)
**Original Release:** 2025-08-22
**Languages:** English, Italian, French, Portuguese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6751225884)
**AppTail Page:** [https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/united-states](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/united-states)

## Card Centering & Grading Tool Description
Gradeon provides trading card and sports card enthusiasts with a precise way to evaluate if their cards meet professional grading standards. Utilizing advanced AI technology alongside manual tools, the app calculates exact centering ratios, predicting how your card might score with top grading companies such as PSA, BGS, CGC, SGC, TAG, and ACE. Whether you're dealing with Pokémon, One Piece, Lorcana, Magic: The Gathering, or various sports cards, instantly assess whether your card's alignment positions it for a premium grade.

Enhanced User Benefits:
- AI-Powered Scanning: Simply snap a photo or upload an image of your card, and the app instantly detects and calculates centering for unparalleled accuracy.
- Manual Precision Tools: For those who prefer a hands-on approach, use adjustable measurement guides with zoom capabilities to ensure maximum precision.
- Grading Company Insights: Discover which grading service your card is likely to score highest with, enabling informed decisions.
- Comprehensive Analysis: Evaluate the centering on both the front and back of cards to ensure complete assessment coverage.
- Accessible Standards Guide: Quickly refer to official centering standards from major grading companies all within the app.
- Personalized Experience: Customize detection settings, grading preferences, and display styles to suit your unique needs.
- Universal Compatibility: Supports all card types, from TCGs to sports cards, reinforcing its versatility.

Perfect For:
- Collectors: Verify card grading standards before official submissions to prepare confidently.
- Sellers & Traders: Highlight accurate centering to boost the value and appeal of your cards.
- Buyers:  Assess alignment effortlessly to avoid overpaying on misaligned cards.

Key Considerations:
Gradeon specializes in centering analysis. Professional grading involves a holistic evaluation including edges, corners, and surface conditions.

Independence Notice:
Gradeon operates independently and is not affiliated with, endorsed by, or associated with PSA, BGS, CGC, SGC, TAG, ACE, or any grading entity. It serves as an informational tool for card enthusiasts.

# Subscription

For the Pro subscription, subscriptions will be billed monthly or annually for renewal within 24 hours before the end of the current period. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. Subscriptions can be managed by the user and automatic renewal can be turned off by accessing the user’s account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Payment will be charged to iTunes Account at confirmation of purchase.

Terms of Use: 
Privacy: 

## Card Centering & Grading Tool Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f3/57/23/f35723de-9169-3cb7-080e-8e83561ec111/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-08-21_at_08.44.15.png/2064x2752.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8c/66/70/8c667021-abb9-4580-5e2f-4043125bcbc0/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-08-21_at_08.44.20.png/2064x2752.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b1/09/15/b109153f-2499-ee3c-c511-a0c7c61bf564/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-08-21_at_08.44.22.png/2064x2752.png)

## Card Centering & Grading Tool Rating Breakdown in United States
- 5 stars: 5 (63%)
- 4 stars: 2 (25%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (13%)






## Card Centering & Grading Tool Available In
- [France](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/france)
- [United States](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/united-states)
- [Taiwan](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/taiwan)
- [China](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/china)
- [Hong Kong SAR China](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/hong-kong)
- [Canada](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/canada)
- [Switzerland](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/switzerland)
- [Bahrain](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/bahrain)
- [Brunei](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/brunei)
- [Brazil](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/brazil)
- [Belarus](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/belarus)
- [Belize](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/belize)
- [Chile](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/chile)
- [Colombia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/colombia)
- [Cyprus](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/cyprus)
- [Germany](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/germany)
- [Denmark](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/denmark)
- [Algeria](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/algeria)
- [Egypt](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/egypt)
- [Spain](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/spain)
- [Finland](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/finland)
- [Ghana](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/ghana)
- [Greece](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/greece)
- [Ireland](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/ireland)
- [Israel](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/israel)
- [India](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/india)
- [Iceland](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/iceland)
- [Jamaica](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/jamaica)
- [Jordan](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/jordan)
- [Kenya](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/kenya)
- [Cayman Islands](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/cayman-islands)
- [Lebanon](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/lebanon)
- [Sri Lanka](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/sri-lanka)
- [Lithuania](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/lithuania)
- [Luxembourg](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/luxembourg)
- [Madagascar](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/madagascar)
- [Mali](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/mali)
- [Macao SAR China](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/macau)
- [Malta](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/malta)
- [Mauritius](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/mauritius)
- [Malaysia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/malaysia)
- [Namibia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/namibia)
- [Nigeria](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/nigeria)
- [Netherlands](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/netherlands)
- [Nepal](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/nepal)
- [New Zealand](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/new-zealand)
- [Panama](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/panama)
- [Pakistan](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/pakistan)
- [Portugal](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/portugal)
- [Paraguay](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/paraguay)
- [Romania](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/romania)
- [Russia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/russia)
- [Saudi Arabia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/saudi-arabia)
- [Sweden](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/sweden)
- [Singapore](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/singapore)
- [Slovakia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/slovakia)
- [Senegal](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/senegal)
- [Thailand](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/thailand)
- [Tunisia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/tunisia)
- [Türkiye](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/turkey)
- [Uruguay](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/uruguay)
- [Uzbekistan](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/uzbekistan)
- [United Arab Emirates](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/united-arab-emirates)
- [Vietnam](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/vietnam)
- [Angola](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/angola)
- [Argentina](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/argentina)
- [Australia](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/australia)
- [Azerbaijan](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/azerbaijan)
- [Belgium](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/belgium)
- [Bulgaria](https://apptail.io/app/gradeon-gradation-carte-tcg-uxLw/bulgaria)

---

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