# Card Centering Calculator vs Autograph Identifier

The clearest difference is review sentiment: Card Centering Calculator at 60% against Autograph Identifier's 15%. Card Centering Calculator also leads on rating (4.7 vs 4.2) and ratings volume (2.6K vs 105). Autograph Identifier's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Card Centering Calculator sells 5 one-off in-app purchases and Autograph Identifier sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Card Centering Calculator holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Card Centering Calculator has 2.6K ratings behind it against 105, so its average is the more settled of the two. Written reviews point the same way: 60% of Card Centering Calculator's written reviews are positive against 15% of Autograph Identifier's.

Card Centering Calculator ships an update monthly, Autograph Identifier every 10 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Card Centering Calculator | Autograph Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.6K ratings)](https://appshunter.io/ios/app/card-centering-calculator/id6661022837/reviews)** | [4.2 (105 ratings)](https://appshunter.io/ios/app/autograph-identifier/id6749822952/reviews) |
| Number of ratings | **2.6K** | 105 |
| Positive reviews | **60.0% of reviews** | 15.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 6 MB |
| Requires iOS | 18.0 | **17.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jade Lizard Software LLC](https://appshunter.io/developer/528029155) | [Meltem Arslan](https://appshunter.io/developer/1796666586) |

## 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


### Autograph Identifier

[App page](https://appshunter.io/ios/app/autograph-identifier/id6749822952)

Instantly identify and authenticate autographs using AI-powered image recognition. Get detailed analysis and verification for signed memorabilia, perfect for collectors and enthusiasts.

**Highlights:** AI-powered autograph identification, Real-time authenticity assessment, Detailed signature analysis, Comprehensive autograph database, Professional-grade scanning, Export and share reports

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Annual Plan | $49.99 | per year |


## Frequently asked questions

### Is Card Centering Calculator free?

Card Centering Calculator is free to download, with in-app purchases available.

### Is Autograph Identifier free?

Autograph Identifier is free to download, with in-app purchases available.

### Which has better reviews, Card Centering Calculator or Autograph Identifier?

Card Centering Calculator is rated higher. Card Centering Calculator averages 4.7 out of 5 from 2.6K ratings, while Autograph Identifier averages 4.2 from 105 ratings.

### Do Card Centering Calculator or Autograph Identifier have ads?

Card Centering Calculator shows ads; Autograph Identifier does not.

### Which is updated more often, Card Centering Calculator or Autograph Identifier?

Card Centering Calculator ships an update monthly, and Autograph Identifier every 10 days. Most recently, Card Centering Calculator was updated on November 8, 2026 and Autograph Identifier on October 30, 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.*