# Card Centering Calculator vs Centered Cardboard

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.

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.

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.

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.

## The numbers

| Metric | Card Centering Calculator | Centered Cardboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (55 ratings)](https://appshunter.io/ios/app/card-centering-calculator-ccc/id6745336791/reviews) | **[4.9 (28 ratings)](https://appshunter.io/ios/app/centered-cardboard/id6759780836/reviews)** |
| Number of ratings | **55** | 28 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [Oak Labs Limited Liability Company](https://appshunter.io/developer/1880606503) |

## What reviewers say

### Card Centering Calculator

[App page](https://appshunter.io/ios/app/card-centering-calculator-ccc/id6745336791)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Yearly Subscription | $19.99 | per year |


### Centered Cardboard

[App page](https://appshunter.io/ios/app/centered-cardboard/id6759780836)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centered Cardboard Pro | $4.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*