# Grade Sync Pro vs UnSlabbed

The clearest difference is ads: Grade Sync Pro at none against UnSlabbed's shown. UnSlabbed's advantage is update cadence (every 5 days vs every 3 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Grade Sync Pro sells 1 in-app purchase, starting at $24.99 per month and UnSlabbed sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Grade Sync Pro against 5.0 for UnSlabbed. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Grade Sync Pro ships an update every 3 weeks, UnSlabbed every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grade Sync Pro | UnSlabbed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/grade-sync-pro-card-scanner/id6759976779/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unslabbed/id6806705048/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 30 MB | 19 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mario Miron](https://appshunter.io/developer/1832534931) | [Philip Disanto](https://appshunter.io/developer/6806705050) |

## What reviewers say

### Grade Sync Pro

[App page](https://appshunter.io/ios/app/grade-sync-pro-card-scanner/id6759976779)

This AI-powered tool helps trading card enthusiasts identify, analyze, and estimate the condition of collectible cards. It provides detailed grading analysis, centering tools, and market price insights to assist collectors and investors.

**Highlights:** AI card identification, AI grading analysis, Advanced centering tool, PSA submission preparation, Market price insights, Personal card inventory

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GSP Pro Monthly | $24.99 | per month |


### UnSlabbed

[App page](https://appshunter.io/ios/app/unslabbed/id6806705048)

Estimate the grading of your trading cards from photos before sending them for professional certification. Analyze centering, corners, edges, and surface, and check recent sales data for predicted grades. Save your grading history and share results.

**Highlights:** Photo-based card grading, Centering, corners, edges, surface analysis, Estimates grades for major services, Looks up sold comps for predicted grades, Credit system for grading, Grade remapping across companies, Grading history, Shareable grade images

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Grades | $4.99 | one-time |
| Unlimited Centering | $4.99 | one-time |
| 50 Grades | $9.99 | one-time |
| 120 Grades | $19.99 | one-time |


## Frequently asked questions

### Is Grade Sync Pro free?

Grade Sync Pro is free to download, with in-app purchases available.

### Is UnSlabbed free?

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

### Which has better reviews, Grade Sync Pro or UnSlabbed?

Grade Sync Pro and UnSlabbed are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Grade Sync Pro or UnSlabbed have ads?

UnSlabbed shows ads; Grade Sync Pro does not.

### Which is updated more often, Grade Sync Pro or UnSlabbed?

Grade Sync Pro ships an update every 3 weeks, and UnSlabbed every 5 days. Most recently, Grade Sync Pro was updated on November 5, 2026 and UnSlabbed on October 31, 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.*