Comparison

Card Centering Calculator vs Centered Cardboard

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

Head to head
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

About

Centered Cardboard

This app helps trading card collectors pre-grade their cards by analyzing centering and alignment. It uses your device's camera and visual tools to provide quick, consistent, and accurate feedback on card position and border spacing.

Highlights
  • Live centering feedback with color-coded indicators
  • Skewed measuring for rotated borders
  • Exact distances for border spacing
  • Gyro leveling crosshair
  • Outline guide overlays
  • Up to 100x zoom
  • Camera capture or photo import
Features
Read full description

Centered Cardboard helps you pre-grade trading cards by making centering, alignment, and corner assessment quick, consistent, and easy to understand. Use your camera or import photos to examine cards with clear visual tools designed for accuracy: • Live centering feedback with color-coded ratios • Grading score estimates based on leading grading-company standards • Corner Grading for recording all four front and back corners • Tilted Measuring for cards with rotated inner borders • True Distance measurements for exact border spacing • Adjustable outline guides for accurate card alignment • Gyro crosshair and calibration tools for level camera positioning • Photo filters that improve edge visibility in difficult lighting • Up to 100× zoom for precise positioning and fine adjustments • Camera, Photos, and Files image support • Separate or combined front and back scores • Side-by-side exports for sharing both sides in one image • Cardboard History for saving, searching, editing, and revisiting exports locally • One-tap sharing for quickly saving or sending results Centered Cardboard gives collectors a clear, repeatable way to inspect cards before submitting them for grading. Centered Cardboard is an independent tool and is not affiliated with or endorsed by any card-grading company. Results are estimates and do not guarantee an official grade.

Screenshots

Card Centering Calculator4 screens
Centered Cardboard4 screens

Verdict

The call

The clearest difference is review sentiment: Centered Cardboard at 100% against Card Centering Calculator's 40%. Centered Cardboard also leads on rating (4.9 vs 4.3). Card Centering Calculator's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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. Card Centering Calculator sells 2 in-app purchases, starting at $2.99 per 7 days and Centered Cardboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Centered Cardboard holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 55 and 28 respectively. Written reviews point the same way: 40% of Card Centering Calculator's written reviews are positive against 100% of Centered Cardboard's.

UpkeepUpdate frequency

Card Centering Calculator ships an update every 2 weeks, Centered Cardboard monthly. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
Card Centering Calculator versus Centered Cardboard: the parameters behind the verdict, then further details
ParameterCard Centering CalculatorCentered Cardboard
PriceFreeFree
Rating4.3 (55 ratings)4.9 (28 ratings) — better
Positive reviews40.0% of reviews100.0% of reviews — better
Number of ratings55 — better28
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size18 MB7 MB
Age rating4+4+
DeveloperArda SenOak Labs Limited Liability Company

Customer experience

Card Centering Calculator

All ratings55 ratings
Positive81.8%
Neutral3.6%
Negative14.5%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Centered Cardboard

All ratings28 ratings
Positive96.4%
Neutral3.6%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Card Centering Calculator

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

Centered Cardboard

One-time1
  • Centered Cardboard Pro$4.99

Questions

Is Card Centering Calculator free?
Card Centering Calculator is free to download, with in-app purchases available.
Is Centered Cardboard free?
Centered Cardboard is free to download, with in-app purchases available.
Which has better reviews, Card Centering Calculator or Centered Cardboard?
Centered Cardboard is rated higher. Card Centering Calculator averages 4.3 out of 5 from 55 ratings, while Centered Cardboard averages 4.9 from 28 ratings.
Do Card Centering Calculator or Centered Cardboard have ads?
Neither Card Centering Calculator nor Centered Cardboard shows ads.
Which is updated more often, Card Centering Calculator or Centered Cardboard?
Card Centering Calculator ships an update every 2 weeks, and Centered Cardboard monthly. Most recently, Card Centering Calculator was updated on September 13, 2026 and Centered Cardboard on September 15, 2026.

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