# Card Centering Calculator vs AI Comic Grading

The clearest difference is in-app purchases: AI Comic Grading at none against Card Centering Calculator's 5. AI Comic Grading also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). Card Centering Calculator's advantage is ratings volume (2.5K vs 14). On price, rating and device support there is nothing between them.

Both are free to download. Card Centering Calculator sells 5 one-off in-app purchases. AI Comic Grading asks for nothing beyond the download.

Card Centering Calculator holds the better App Store score, 4.7 against 4.6. That said, the two scores are not equally well evidenced: Card Centering Calculator has 2.5K ratings behind it against 14, so its average is the more settled of the two.

Card Centering Calculator ships an update monthly, AI Comic Grading every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Card Centering Calculator | AI Comic Grading |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.5K ratings)](https://appshunter.io/ios/app/card-centering-calculator/id6661022837/reviews)** | [4.6 (14 ratings)](https://appshunter.io/ios/app/ai-comic-grading/id6762669567/reviews) |
| Number of ratings | **2.5K** | 14 |
| Positive reviews | 60.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 39 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jade Lizard Software LLC](https://appshunter.io/developer/528029155) | [Fortified Panels](https://appshunter.io/developer/1894953486) |

## 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


### AI Comic Grading

[App page](https://appshunter.io/ios/app/ai-comic-grading/id6762669567)

This app uses AI to grade comic books on a professional scale. Simply photograph your comic following on-screen guides, and the AI will analyze it to provide a grade and explain any defects found. It's ideal for collectors assessing comics for buying, selling, or professional submission.

**Highlights:** AI-powered comic grading, Professional 0.5-10.0 grading scale, Detailed defect breakdown, Instant results, Full 14-photo workflow, New release grading mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Card Centering Calculator free?

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

### Is AI Comic Grading free?

AI Comic Grading is free to download, with no in-app purchases.

### Which has better reviews, Card Centering Calculator or AI Comic Grading?

Card Centering Calculator is rated higher. Card Centering Calculator averages 4.7 out of 5 from 2.5K ratings, while AI Comic Grading averages 4.6 from 14 ratings.

### Do Card Centering Calculator or AI Comic Grading have ads?

Card Centering Calculator shows ads; AI Comic Grading does not.

### Which is updated more often, Card Centering Calculator or AI Comic Grading?

Card Centering Calculator ships an update monthly, and AI Comic Grading every 8 days. Most recently, Card Centering Calculator was updated on October 24, 2026 and AI Comic Grading on October 24, 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.*