# Eco Cat App vs On Express Captain

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

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

Eco Cat App ships an update fortnightly, On Express Captain every 5 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Eco Cat App | On Express Captain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/eco-cat-app/id1129130217/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 48 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ecotrade Tech Company Limited](https://appshunter.io/developer/1735893382) | [Accurate Smart Solutions](https://appshunter.io/developer/1550900538) |

## 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


### On Express Captain

[App page](https://appshunter.io/ios/app/on-express-captain/id6743853800)

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

**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 On Express Captain free?

On Express Captain is free to download, with no in-app purchases.

### Do Eco Cat App or On Express Captain have ads?

Neither Eco Cat App nor On Express Captain shows ads.

### Which is updated more often, Eco Cat App or On Express Captain?

Eco Cat App ships an update fortnightly, and On Express Captain every 5 months. Most recently, Eco Cat App was updated on November 2, 2026 and On Express Captain on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*