Valdi Catalyst Market vs TRANS.bg
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Catalytic converter valuation
- Precious metal price tracking (Pd, Rh, Pt)
- Database updated 3x daily
- Catalog of 20,000 items
- Safe buying and selling tool
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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
TRANS.bg
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Следете актуалните обяви за работа, новини и събития в областта на транспорт, логистика, спедиция и куриерски услуги в България в TRANS.bg. Кандидатствайте отвсякъде и по всяко време. TRANS.bg е част от JOBS.bg. Follow the latest job opportunities, news, and events in the field of transport, logistics, freight forwarding, and courier services in Bulgaria in TRANS.bg. Apply to jobs at any time and from any place. TRANS.bg is part of JOBS.bg.
Screenshots
Verdict
The clearest difference is in-app purchases: TRANS.bg at none against Valdi Catalyst Market's 3. TRANS.bg also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and ads 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
Both are free to download. Valdi Catalyst Market sells 3 in-app purchases, starting at $39.99 per month. TRANS.bg asks for nothing beyond the download.
Valdi Catalyst Market ships an update every 2 months, TRANS.bg every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Valdi Catalyst Market | TRANS.bg |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 72 MB | 4 MB |
| Age rating | 4+ | 12+ |
| Developer | Waldemar Konarski | JOBS.bg |
In-app purchases
Valdi Catalyst Market
- Gold - Monthly3 Days trial$39.991 Month
- Platinum - Monthly3 Days trial$59.991 Month
- 20 Search Credits$11.99
TRANS.bg
No in-app purchases
