Best app so far, easy to scan
This app made it easy to scan and track those scanned cards so I can always go back and revisit instead of scanning twice.
Love it !!!
Love it !!!
Free
In-App Purchases
About
Instantly measure the centering of trading cards using your phone. Get estimated grade tiers from major grading companies and track your collection strategy. Export and share your results.
✓Centering analysis for front and back
✓Grade predictions for major companies
✓Customizable guide controls
✓Scan history tracking
✓Dashboard performance stats
✓Export and share results
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What's New in Ding Detect
1.2.1
July 26, 2026
Adjust centering lines, some users may experience fix width. Added more apps section. Added request a feature. Minor tune up and stability improvements.
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In-App Purchases
$3.99
Card Centering Tool
Unlimited card centering scans
User reviews
Developer apps
FAQ
How does Ding Detect work?
You take a photo or upload an image of your card. Then, you align guide lines to the card's borders. Ding Detect calculates centering percentages and compares them to grading standards.
What grading companies does Ding Detect support?
Ding Detect provides grade predictions for PSA, BGS, CGC, ACE, and TAG. You can customize which companies are displayed in the settings.
Can I use Ding Detect for free?
Yes, Ding Detect is free to try and allows 2 scans per day. An upgrade to Pro unlocks unlimited scans and full access to all features.
Does Ding Detect have ads?
No, Ding Detect does not contain advertisements. The app is ad-free.
What devices is Ding Detect available on?
Ding Detect is available on iPhone, iPad, and iPod devices.
How often is Ding Detect updated?
The latest version, 1.1.1, was released on July 10, 2026. Updates are released periodically to improve functionality and add new features.
Can I share my centering results?
Yes, you can export and share your centering results as an image. This feature is available with the Pro upgrade.
Is Ding Detect affiliated with grading companies?
No, Ding Detect is an independent app and is not affiliated with PSA, BGS, CGC, ACE, TAG, or any other grading company. Centering estimates are for reference only.