# Centering50 vs Centered Cardboard

The clearest difference is review sentiment: Centered Cardboard at 100% against Centering50's 0%. Centered Cardboard also leads on ads (none vs shown) and rating (4.9 vs 4.6). Centering50's advantage is update cadence (every 8 days vs every 3 weeks). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Centering50 sells 3 in-app purchases, starting at $4.99 per month 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 4.6. Both are backed by a comparable volume of ratings — 42 and 58 respectively. Written reviews point the same way: 0% of Centering50's written reviews are positive against 100% of Centered Cardboard's.

Centering50 ships an update every 8 days, Centered Cardboard every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Centering50 | Centered Cardboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (42 ratings)](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301/reviews) | **[4.9 (58 ratings)](https://appshunter.io/ios/app/centered-cardboard/id6759780836/reviews)** |
| Number of ratings | 42 | **58** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 155 MB | 18 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [FUK WAI LI](https://appshunter.io/developer/1880074668) | [Oak Labs Limited Liability Company](https://appshunter.io/developer/1880606503) |

## What reviewers say

### Centering50

[App page](https://appshunter.io/ios/app/centering50-card-grading-tool/id6759667301)

This tool helps collectors accurately measure card centering ratios for TCG and sports cards. It uses AI-assisted scanning and manual guides to provide precise measurements, helping users predict grades and save on submission fees.

**Highlights:** AI-assisted border detection, Manual measurement guides, Front and back analysis, 15x precision zoom, Grading standard library, Dynamic contrast adjustment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $4.99 | per month |
| Unlimited Yearly | $24.99 | per year |
| Full Version Lifetime Access | $49.99 | one-time |


### 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 Centering50 free?

Centering50 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, Centering50 or Centered Cardboard?

Centered Cardboard is rated higher. Centering50 averages 4.6 out of 5 from 42 ratings, while Centered Cardboard averages 4.9 from 58 ratings.

### Do Centering50 or Centered Cardboard have ads?

Centering50 shows ads; Centered Cardboard does not.

### Which is updated more often, Centering50 or Centered Cardboard?

Centering50 ships an update every 8 days, and Centered Cardboard every 3 weeks. Most recently, Centering50 was updated on October 25, 2026 and Centered Cardboard on October 25, 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.*