# Card Centering & Grading Tool vs MasterSet

The clearest difference is iOS requirement: MasterSet at 16.0 against Card Centering & Grading Tool's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Card Centering & Grading Tool sells 4 in-app purchases, starting at $3.99 per 7 days and MasterSet sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Card Centering & Grading Tool ships an update monthly, MasterSet every 2 weeks. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Card Centering & Grading Tool | MasterSet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (13 ratings)](https://appshunter.io/ios/app/card-centering-and-grading-tool/id6751225884/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 16 MB | 46 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WarthogLab](https://appshunter.io/developer/890415554) | [Jessy Valis](https://appshunter.io/developer/6809316189) |

## What reviewers say

### Card Centering & Grading Tool

[App page](https://appshunter.io/ios/app/card-centering-and-grading-tool/id6751225884)

This app uses AI and manual tools to precisely evaluate trading and sports cards for professional grading standards. It calculates centering ratios and predicts potential scores from top grading companies, supporting various card types like Pokémon, Magic: The Gathering, and sports cards.

**Highlights:** AI-powered centering analysis, Manual precision measurement tools, Grading company score prediction, Front and back centering evaluation, Universal card type support, Customizable detection settings

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gradeon Weekly Pro | $3.99 | per 7 days |
| Gradeon Weekly Pro | $3.99 | per 7 days |
| Gradeon Annual Pro | $19.99 | per year |
| Gradeon Annual Pro | $19.99 | per year |


### MasterSet

[App page](https://appshunter.io/ios/app/masterset/id6809316187)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MasterSet Premium Annuel | $3.99 | per month |
| MasterSet Premium Annuel | $29.99 | per year |


## Frequently asked questions

### Is Card Centering & Grading Tool free?

Card Centering & Grading Tool is free to download, with in-app purchases available.

### Is MasterSet free?

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

### Do Card Centering & Grading Tool or MasterSet have ads?

Neither Card Centering & Grading Tool nor MasterSet shows ads.

### Which is updated more often, Card Centering & Grading Tool or MasterSet?

Card Centering & Grading Tool ships an update monthly, and MasterSet every 2 weeks. Most recently, Card Centering & Grading Tool was updated on October 22, 2026 and MasterSet on October 29, 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.*