# ScoutX Pro vs Optimum Grading

The clearest difference is update cadence: Optimum Grading at every 8 days against ScoutX Pro's every 3 weeks. ScoutX Pro's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScoutX Pro ships an update every 3 weeks, Optimum Grading every 8 days. The most recent releases landed on May 17, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ScoutX Pro | Optimum Grading |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 67 MB | 77 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Scout X](https://appshunter.io/developer/1594177768) | [Optimum Grading](https://appshunter.io/developer/1826835471) |

## What reviewers say

### ScoutX Pro

[App page](https://appshunter.io/ios/app/scoutx-pro/id6503641256)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Optimum Grading

[App page](https://appshunter.io/ios/app/optimum-grading/id6748652813)

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

**In-app purchases:** none


## Frequently asked questions

### Is ScoutX Pro free?

ScoutX Pro is free to download, with no in-app purchases.

### Is Optimum Grading free?

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

### Do ScoutX Pro or Optimum Grading have ads?

Neither ScoutX Pro nor Optimum Grading shows ads.

### Which is updated more often, ScoutX Pro or Optimum Grading?

ScoutX Pro ships an update every 3 weeks, and Optimum Grading every 8 days. Most recently, ScoutX Pro was updated on May 17, 2026 and Optimum Grading on September 17, 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.*