# Grade Sync Pro vs Reverse Holo

The clearest difference is review sentiment: Grade Sync Pro at 100% against Reverse Holo's 0%. Grade Sync Pro also leads on rating (5.0 vs 1.0). Reverse Holo's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (16.4 vs 18.0). On price, ratings volume, ads 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 Reverse Holo sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Grade Sync Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of Grade Sync Pro's written reviews are positive against 0% of Reverse Holo's.

Grade Sync Pro ships an update every 3 weeks, Reverse Holo weekly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Grade Sync Pro | Reverse Holo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grade-sync-pro-card-scanner/id6759976779/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/reverse-holo/id6767379465/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 30 MB | 73 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mario Miron](https://appshunter.io/developer/1832534931) | [Omar Jandali](https://appshunter.io/developer/1647501766) |

## 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 |


### Reverse Holo

[App page](https://appshunter.io/ios/app/reverse-holo/id6767379465)

This app helps Pokémon card collectors track their collection's value, analyze grading potential, and monitor market prices. It offers AI-powered centering analysis and real-time pricing data to inform investment decisions.

**Highlights:** Grading ROI calculator, AI centering analysis, Live raw and graded pricing, Portfolio tracking, Master set tracking, Grading pipeline management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collector | $9.99 | per month |
| Pro | $24.99 | per month |


## Frequently asked questions

### Is Grade Sync Pro free?

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

### Is Reverse Holo free?

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

### Which has better reviews, Grade Sync Pro or Reverse Holo?

Grade Sync Pro is rated higher. Grade Sync Pro averages 5.0 out of 5 from 2 ratings, while Reverse Holo averages 1.0 from 1 ratings.

### Do Grade Sync Pro or Reverse Holo have ads?

Neither Grade Sync Pro nor Reverse Holo shows ads.

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

Grade Sync Pro ships an update every 3 weeks, and Reverse Holo weekly. Most recently, Grade Sync Pro was updated on October 9, 2026 and Reverse Holo on October 12, 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.*