# CatalystPro Data vs CRG Calculator

CatalystPro Data and CRG Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | CatalystPro Data | CRG Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/catalystpro-data/id6757869916/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Subscription | — |
| Size | 12 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Julian Baros](https://appshunter.io/developer/1869397292) | [CRG CATALYTIC CONVERTERS (FZC)](https://appshunter.io/developer/6785981054) |

## What reviewers say

### CatalystPro Data

[App page](https://appshunter.io/ios/app/catalystpro-data/id6757869916)

Access professional-grade pricing data for catalytic converters. This tool provides real-time precious metal market integration and a smart calculator to determine converter values based on gram weight and current rates. It's designed for automotive professionals in the recycling industry.

**Highlights:** Real-time precious metal market data (Pt, Pd, Rh), Smart calculator for converter values, Customizable margins (Payout %, Return Rates), Searchable catalog by part number, Streamlined dark-mode interface, Enterprise-grade security

**Features:** macOS Compatibility

**In-app purchases:** none


### CRG Calculator

[App page](https://appshunter.io/ios/app/crg-calculator/id6785981052)

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

**In-app purchases:** none


## Frequently asked questions

### Is CatalystPro Data free?

CatalystPro Data is free to download, with no in-app purchases.

### Is CRG Calculator free?

CRG Calculator is free to download, with no in-app purchases.

### Do CatalystPro Data or CRG Calculator have ads?

Neither CatalystPro Data nor CRG Calculator shows ads.

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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.*