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Best Catalytic Converter Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

If you already know Eco Cat App, this is the deeper bench. 249+ catalytic converter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Catalytic Converter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Eco Cat AppEco Cat AppFree4.7★ (2K)NoYesOct 2026
2Cat DB – Catalytic ConvertersCat DB – Catalytic ConvertersFree4.7★ (68)NoYesOct 2026
3Catalytic Converter DatabaseCatalytic Converter DatabaseFree3.1★ (20)NoYesJul 2026
4Converter ConnectionsConverter ConnectionsFree3.2★ (11)NoYesSep 2026
5CatXapp: Catalytic ConverterCatXapp: Catalytic ConverterFree4.5★ (19)NoYesOct 2026
6FVP Catalytic ConvertersFVP Catalytic ConvertersFree5.0★ (1)NoNoMay 2026
7White Converter RecyclingWhite Converter RecyclingFree5.0★ (2)NoNoOct 2026
8Catalytic Converter GuideCatalytic Converter GuideFree3.6★ (14)NoYesOct 2026

Top Picks for Catalytic Converter

Eco Cat App#1

Eco Cat App by Ecotrade Tech Company Limited

Ecotrade Group
Editor's Choice
💼 Business
4.7😊(2K ratings)
FreeIn-App Purchases
Eco Cat App screenshot 1
Eco Cat App screenshot 2
Eco Cat App screenshot 3
Eco Cat App screenshot 4
Eco Cat App screenshot 5
Eco Cat App screenshot 6

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.

What We Love

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

Room to Improve

  • 🐛 Some missing or incorrect data
  • 💳 Paid subscription required for full access
  • 🕰️ Slow response times at times
  • 🔍 Limited free searches per day
Cat DB – Catalytic Converters#2

Cat DB – Catalytic Converters by D8ta Technologies LLC

Scrap catalyst marketplace
Strong Contender
🔍 Reference
4.7(69 ratings)
FreeIn-App Purchases
#92in Reference
Cat DB – Catalytic Converters screenshot 1
Cat DB – Catalytic Converters screenshot 2
Cat DB – Catalytic Converters screenshot 3
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Cat DB – Catalytic Converters screenshot 5
Cat DB – Catalytic Converters screenshot 6

This app provides comprehensive pricing and identification tools for catalytic converters. Search by VIN, make/model, or partial codes, and access detailed photos and 3D models to confirm authenticity and aid removal. It connects users with buyers and offers live market pricing.

More Catalytic Converter apps to explore

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FAQ about Catalytic Converter

What are the best catalytic converter apps for iPhone?
Eco Cat App tops our catalytic converter apps ranking as of October 2026, with a 4.7-star average from 2K App Store ratings, and it's free to download.
Yes — 20 of the top catalytic converter apps we rank are free to download, including Eco Cat App and Cat DB – Catalytic Converters.
Eco Cat App has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ catalytic converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches

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