# Card Centering Calculator vs Centered Cardboard

The clearest difference is ads: Centered Cardboard at none against Card Centering Calculator's shown. Card Centering Calculator's advantage is ratings volume (2.6K vs 64). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Card Centering Calculator sells 5 one-off in-app purchases and Centered Cardboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Card Centering Calculator against 4.8 for Centered Cardboard. That said, the two scores are not equally well evidenced: Card Centering Calculator has 2.6K ratings behind it against 64, so its average is the more settled of the two. Written reviews are what separate them: 60% of Card Centering Calculator's written reviews are positive against 67% of Centered Cardboard's.

Card Centering Calculator ships an update monthly, Centered Cardboard every 3 weeks. The most recent releases landed on November 8, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Card Centering Calculator | Centered Cardboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.6K ratings)](https://appshunter.io/ios/app/card-centering-calculator/id6661022837/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/centered-cardboard/id6759780836/reviews)** |
| Number of ratings | **2.6K** | 64 |
| Positive reviews | 60.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 22 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jade Lizard Software LLC](https://appshunter.io/developer/528029155) | [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/id6661022837)

This app helps collectors and traders measure card centering ratios for grading. It uses AI to detect centering or allows manual adjustments for precise measurements, displaying potential grades from major companies.

**Highlights:** AI-powered card centering detection, Manual centering measurement with zoom, Grade comparisons for PSA, BGS, SGC, CGC, TAG, ACE, Front and back side centering measurement, Grading standards reference guide, Off-center visualization tool

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Unlock Premium | $4.99 | one-time |
| Large Tip | $4.99 | one-time |
| Pristine Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Intuitive and flexible
- 🚀 Provides great information on centering
- 💡 Helpful for graders and collectors
- 👍 Easy to use and user-friendly
- 👍 Accurate and works as a physical tool

**What reviewers complain about**

- 🐛 Centering measurement doesn't work properly
- 🔒 Grading information locked behind paywall
- 🐛 Camera quality issues, app resets during use

**Reported bugs**

- Centering measurement resets during use
- Image rotation doesn't stay in place

**Requested features**

- Thinner and dashed centering lines for better visibility
- Free access to grading information without subscription


### Centered Cardboard

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

This app assists trading card collectors in pre-grading their cards. It uses your device's camera and clear visual tools to assess centering, alignment, and corners, providing estimated grading scores based on industry standards. Save, export, and share your card assessments easily.

**Highlights:** Live centering feedback with color-coded ratios, Grading score estimates, Corner grading for all four corners, Tilted measuring for rotated borders, True distance measurements, Adjustable outline guides, Up to 100x zoom

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centered Cardboard Pro | $9.99 | 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 4.7 out of 5 from 2.6K ratings, while Centered Cardboard averages 4.8 from 64 ratings.

### Do Card Centering Calculator or Centered Cardboard have ads?

Card Centering Calculator shows ads; Centered Cardboard does not.

### Which is updated more often, Card Centering Calculator or Centered Cardboard?

Card Centering Calculator ships an update monthly, and Centered Cardboard every 3 weeks. Most recently, Card Centering Calculator was updated on November 8, 2026 and Centered Cardboard on November 11, 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.*