Comparison

Instant Card Grading vs Card Centering Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Instant Card Grading

Analyze the centering of your trading cards instantly and accurately. This tool provides professional-quality pre-grading analysis to help you decide which cards to submit for official grading, saving you time and money.

Highlights
  • Instant centering analysis
  • Free pre-grading tool
  • Professional-grade accuracy
  • Works with all trading cards
  • Easy-to-use interface
  • Save and track cards
Features
Read full description

Save hundreds on PSA and SGC grading fees! Instant Card Grading gives you professional-quality centering analysis for your trading cards in seconds. Free, fast, and accurate pre-grading before you submit to PSA or SGC. Key Features: - Instant centering analysis - Free pre-grading tool - Professional-grade accuracy - Works with all trading cards - Easy-to-use interface - Save and track your cards Perfect for: - Collectors pre-screening cards for official grading submission - Trading card investors - Sports card enthusiasts - Pokemon card collectors - Vintage card specialists

About

Card Centering Calculator

This app helps trading card collectors accurately measure card centering for professional grading. It offers automatic border detection with manual adjustments, clear measurement results, and the ability to compare potential grades across major companies. Save and manage your analyzed cards to stop guessing and start measuring.

Highlights
  • Accurate centering measurements
  • Automatic border detection
  • Manual guide adjustments
  • Compare potential grades
  • Save and manage analyzed cards
  • Image import via camera or photos
Features
Read full description

Get accurate centering measurements for your trading cards quickly and easily. Ideal for collectors preparing cards for PSA, BGS, CGC, SGC, or TAG grading. - Easy image import (Camera or Photos). - Automatic border detection plus manual guide adjustments. - Clear Left/Right and Top/Bottom centering results. - Compare potential grades across major grading companies. - Save and manage your analyzed cards. Stop guessing, start measuring! Get Card Centering Calculator now. Privacy Policy: https://ccc.ardasen.com/privacy.html Terms of Use: https://ccc.ardasen.com/terms.html

Screenshots

Instant Card Grading3 screens
Card Centering Calculator4 screens

Verdict

The call

The clearest difference is rating: Card Centering Calculator at 4.4 against Instant Card Grading's 3.5. Card Centering Calculator also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Instant Card Grading sells 1 one-off in-app purchase and Card Centering Calculator sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Card Centering Calculator holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 19 and 60 respectively. Written reviews point the same way: 29% of Instant Card Grading's written reviews are positive against 33% of Card Centering Calculator's.

UpkeepUpdate frequency

Instant Card Grading ships an update every 4 months, Card Centering Calculator every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Instant Card Grading versus Card Centering Calculator: the parameters behind the verdict, then further details
ParameterInstant Card GradingCard Centering Calculator
PriceFreeFree
Rating3.5 (19 ratings)4.4 (60 ratings) — better
Positive reviews28.6% of reviews33.3% of reviews — better
Number of ratings1960 — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size28 MB18 MB
Age rating4+4+
Developer12 Triangles LLCArda Sen

Customer experience

Instant Card Grading

All ratings17 ratings
Positive52.9%
Neutral5.9%
Negative41.2%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

Card Centering Calculator

All ratings58 ratings
Positive82.8%
Neutral3.4%
Negative13.8%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

In-app purchases

1 purchases

Instant Card Grading

One-time1
  • Remove Ads$1.99
2 purchases

Card Centering Calculator

Subscriptions2
  • Weekly Subscription3 Days trial$2.997 Days
  • Yearly Subscription$19.991 Year

Questions

Is Instant Card Grading free?
Instant Card Grading is free to download, with in-app purchases available.
Is Card Centering Calculator free?
Card Centering Calculator is free to download, with in-app purchases available.
Which has better reviews, Instant Card Grading or Card Centering Calculator?
Card Centering Calculator is rated higher. Instant Card Grading averages 3.5 out of 5 from 19 ratings, while Card Centering Calculator averages 4.4 from 60 ratings.
Do Instant Card Grading or Card Centering Calculator have ads?
Instant Card Grading shows ads; Card Centering Calculator does not.
Which is updated more often, Instant Card Grading or Card Centering Calculator?
Instant Card Grading ships an update every 4 months, and Card Centering Calculator every 2 weeks. Most recently, Instant Card Grading was updated on November 3, 2026 and Card Centering Calculator on November 5, 2026.

Other comparisons