# Eco Cat App vs WheelSpotter

The clearest difference is rating: Eco Cat App at 4.7 against WheelSpotter's 4.0. Eco Cat App also leads on review sentiment (88% vs 63%) and update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Eco Cat App sells 5 in-app purchases, starting at $24.99 per month and WheelSpotter sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Eco Cat App holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Eco Cat App has 2K ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 88% of Eco Cat App's written reviews are positive against 63% of WheelSpotter's.

Eco Cat App ships an update every 2 weeks, WheelSpotter every 2 months. The most recent releases landed on November 9, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Eco Cat App | WheelSpotter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/eco-cat-app/id1129130217/reviews)** | [4.0 (31 ratings)](https://appshunter.io/ios/app/wheelspotter/id1435192953/reviews) |
| Number of ratings | **2K** | 31 |
| Positive reviews | **88.0% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 917 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ecotrade Tech Company Limited](https://appshunter.io/developer/1735893382) | [Salvage Auto Data LLC](https://appshunter.io/developer/1435192952) |

## What reviewers say

### Eco Cat App

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

This app provides real-time pricing for scrap catalytic converters, featuring a comprehensive catalog with over 20,000 items. It helps users determine fair market value for their catalytic converters, improving their negotiating position.

**Highlights:** Real-time catalytic converter pricing, Extensive catalog with 20,000+ items, Search by car brand or manufacturer, Accurate precious metal content analysis, Fair deal appraisal for sellers, On-site assessment by purchasers

**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


### WheelSpotter

[App page](https://appshunter.io/ios/app/wheelspotter/id1435192953)

Identify car or truck wheels by make, model, year, style, or part number. Visually sort wheels from photos or find by partial manufacturer numbers. Access pricing for new, used, and remanufactured wheels, and locate them for sale online.

**Highlights:** Identify wheels by make, model, year, style, diameter, width, material, finish, bolt count, Visual sorting using photos, Search by partial manufacturer part number, Find Hollander Interchange numbers, View new, used, and remanufactured wheel prices, Locate wheels for sale online, Access data for over 14,000 Hollander Interchange wheels

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Part Number | $4.99 | per 7 days |
| Unlock Part Number and Price | $6.99 | per 7 days |
| Unlock Part Number Annual | $199.99 | per year |
| Unlock Part # and Price Annual | $249.99 | per year |


## Frequently asked questions

### Is Eco Cat App free?

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

### Is WheelSpotter free?

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

### Which has better reviews, Eco Cat App or WheelSpotter?

Eco Cat App is rated higher. Eco Cat App averages 4.7 out of 5 from 2K ratings, while WheelSpotter averages 4.0 from 31 ratings.

### Do Eco Cat App or WheelSpotter have ads?

Neither Eco Cat App nor WheelSpotter shows ads.

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

Eco Cat App ships an update every 2 weeks, and WheelSpotter every 2 months. Most recently, Eco Cat App was updated on November 9, 2026 and WheelSpotter on November 2, 2026.

---

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