# Eco Cat App vs Catalyst Database

The clearest difference is in-app purchases: Catalyst Database at none against Eco Cat App's 5. Catalyst Database also leads on iOS requirement (12.0 vs 15.1). Eco Cat App's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Eco Cat App sells 5 in-app purchases, starting at $24.99 per month. Catalyst Database asks for nothing beyond the download.

Eco Cat App ships an update fortnightly, Catalyst Database every 4 months. The most recent releases landed on September 29, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Eco Cat App | Catalyst Database |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/eco-cat-app/id1129130217/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 22 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ecotrade Tech Company Limited](https://appshunter.io/developer/1735893382) | [SoftwareStudio Sp. z o.o.](https://appshunter.io/developer/1459352818) |

## What reviewers say

### Eco Cat App

[App page](https://appshunter.io/ios/app/eco-cat-app/id1129130217)

This app provides a comprehensive catalog of over 20,000 catalytic converters, allowing users to look up their value by car brand or manufacturer. It offers accurate appraisals based on precious metal content analysis and helps sellers negotiate fair deals.

**Highlights:** Catalytic converter price catalog, Search by car brand, Search by manufacturer, Precious metal content analysis, Scrap cat appraisals, Fair deal negotiation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold - Monthly | $24.99 | per month |
| Platinum - Monthly | $28.90 | per month |
| Gold - Yearly | $219.99 | per year |
| Platinum - Yearly | $289.00 | per year |
| Pass searches | $12.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate real-time prices
- 💎 Comprehensive catalog with photos
- 💰 Helps maximize scrap value

**What reviewers complain about**

- 🐛 Some missing or incorrect data
- 💳 Paid subscription required for full access
- 🕰️ Slow response times at times
- 🔍 Limited free searches per day

**Reported bugs**

- Login issues and account verification problems
- Occasional app crashes or freezes

**Requested features**

- More free search credits
- Ability to save favorite models
- Integration with scrap buyer platforms
- Localized pricing for different regions


### Catalyst Database

[App page](https://appshunter.io/ios/app/catalyst-database/id1467731708)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eco Cat App free?

Eco Cat App is free to download, with in-app purchases available.

### Is Catalyst Database free?

Catalyst Database is free to download, with no in-app purchases.

### Do Eco Cat App or Catalyst Database have ads?

Neither Eco Cat App nor Catalyst Database shows ads.

### Which is updated more often, Eco Cat App or Catalyst Database?

Eco Cat App ships an update fortnightly, and Catalyst Database every 4 months. Most recently, Eco Cat App was updated on September 29, 2026 and Catalyst Database on September 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.*