Comparison

Eco Cat App vs Valdi Catalyst Market

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Eco Cat App

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
Read full description

Ecotrade Group is a leading authorized purchaser of scrap catalytic converters and over the last 15 years has built up a huge database of knowledge from which the company has developed a comprehensive catalogue that lists more than 20000 items and increasing almost daily. This online catalytic converter price book comes pictures and you can conveniently look up the value of your spent catalytic converters either by car brand or catalytic converter manufacturers. Being at the forefront of the catalyst recycling industry, we commit to provide you with the most complete and comprehensive catalytic converter catalog prices updated 3 times per day to reflect market prices. Ecotrade has invested heavily in cutting edge technology that is designed, in conjunction with laboratory analysis, to precisely measure, to an extremely high level of accuracy, the precious metal content in any single used catalytic converter. Our custom-designed fully equipped laboratories can quickly and efficiently carry out materials analysis, using several methods including X-Ray Fluorescence (XRF) testing. In scrap catalytic converter transactions, the relationship between buyers and sellers is fundamentally unbalanced. Buyers invariably have all the power; thus, for sellers, it means selling their used catalysts can be an unpleasant process. By providing quick and easy scrap cat appraisals that quickly let sellers know whether they’re getting a fair deal or not, Ecotrade Group levels the playing field and improves sellers’ negotiating positions. Also, depending on your location in the world, if you want to sell your catalytic converters, our experienced and conscientious purchasers can personally visit premises to sort and assess the worth of your material. Buy and sell you scrap catalytic converters with Ecotrade Group ! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Valdi Catalyst Market

This app provides quick and accurate valuations for used catalytic converters based on their precious metal content. It utilizes a comprehensive database compiled since 2008, updated thrice daily with market prices for palladium, rhodium, and platinum.

Highlights
  • Catalytic converter valuation
  • Precious metal price tracking (Pd, Rh, Pt)
  • Database updated 3x daily
  • Catalog of 20,000 items
  • Safe buying and selling tool
Features
Read full description

Katalizatory.org is a company with many years of experience in recycling used catalytic converters, which has created a catalog covering 20 thousand items. The catalytic converter valuation program enables quick and safe valuation of the value of a used catalytic converter containing precious metals: palladium (Pd), rhodium (Rh), platinum (Pt), according to the original number located on the catalytic converter housing. The program is updated three times a day based on market prices. The database has been meticulously compiled since 2008, and catalytic converters with specific numbers have been subjected to cyclic and detailed analysis. A significant portion of catalytic converters with specific original numbers has undergone multiple verifications, allowing for an estimate of the precious metal content in the catalytic converter with an extremely high degree of accuracy. Based on vast experience and modern technologies allowing for precise measurement of precious metal content, the catalog represents an ideal and SAFE tool providing both sellers and buyers with access to quick and effective valuations. Buy and sell safely with the Valdi Catalyst Market catalog! (EULA) https://katalizatory.org/valdi-catalyst-market/TosAndPrivacyPolicy

Screenshots

Eco Cat App4 screens
Valdi Catalyst Market4 screens

Verdict

The call

The clearest difference is update cadence: Eco Cat App at every 2 weeks against Valdi Catalyst Market's every 2 months. Eco Cat App also leads on device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Eco Cat App sells 5 in-app purchases, starting at $24.99 per month and Valdi Catalyst Market sells 3 in-app purchases, starting at $39.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Eco Cat App ships an update every 2 weeks, Valdi Catalyst Market every 2 months. The most recent releases landed on November 9, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
Eco Cat App versus Valdi Catalyst Market: the parameters behind the verdict, then further details
ParameterEco Cat AppValdi Catalyst Market
PriceFreeFree
Rating4.7 (2K ratings) — better—
Positive reviews88.0% of reviews—
Number of ratings2K — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size92 MB72 MB
Age rating4+4+
DeveloperEcotrade Tech Company LimitedWaldemar Konarski

Bugs and requests

Eco Cat App

Reported bugs

2 issues
  • Login issues and account verification problems
  • Occasional app crashes or freezes

Requested features

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

Valdi Catalyst Market

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Eco Cat App

Subscriptions4
  • Gold - Monthly$24.991 Month
  • Platinum - Monthly$28.901 Month
  • Gold - Yearly$219.991 Year
Show 1 more
  • Platinum - Yearly$289.001 Year
One-time1
  • Pass searches$12.99
3 purchases

Valdi Catalyst Market

Subscriptions2
  • Gold - Monthly3 Days trial$39.991 Month
  • Platinum - Monthly3 Days trial$59.991 Month
One-time1
  • 20 Search Credits$11.99

Questions

Is Eco Cat App free?
Eco Cat App is free to download, with in-app purchases available.
Is Valdi Catalyst Market free?
Valdi Catalyst Market is free to download, with in-app purchases available.
Do Eco Cat App or Valdi Catalyst Market have ads?
Neither Eco Cat App nor Valdi Catalyst Market shows ads.
Which is updated more often, Eco Cat App or Valdi Catalyst Market?
Eco Cat App ships an update every 2 weeks, and Valdi Catalyst Market every 2 months. Most recently, Eco Cat App was updated on November 9, 2026 and Valdi Catalyst Market on November 4, 2026.

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