Sar Metals vs ERoar
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sar Metals
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Sar Metals Cats is a faster and more cost-effective way to sell your carβs Catalystic Coverters. The Catalystic Converters Price List Catalog comes with pictures, constantly revised prices and on demand price evaluation capability. Here at SAR Metals we use state-of-the-art technologies necessary to process Steel and Ceramic Catalytic Converters. Based on the needs of our individual clients, we can discuss flexible payment terms, process times and quotation methods. For clients dealing with multiple products we offer package deals with increased prices. Catalytic Converters contain precious metals such as Platinum, Palladium and Rhodium. SAR Metals provides the processing service for all ceramic or steel catalytic converter waste. Our company policy allows flexible metals hedging terms which enables you to minimise the market fluctuation risks. We have a cutting-edge on site laboratory with the latest analysing machinery for automotive catalytic converters including XRF and ICP analysers. For our regular clients we offer we offer a bespoke online catalytic converter valuation database. By testing thousands of different catalysts, we at SAR Metals managed to design an accurate and efficient tool to determine the value of each catalyst for any device that has online access. For more details all you need to do is register to our online database and a member of our team will be in touch.
ERoar
This app provides real-time catalytic converter values, allowing users to track stock and see market fluctuations. It also facilitates direct connections with a network of buyers for sales.
- Real-time catalytic converter values
- Stock tracking and value monitoring
- Connect with a network of buyers
- Buyer directory for potential customers
- Market-linked pricing
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E-Roar is the first truly independent source for accurate Catalytic Converters values; market linked in real-time to ensure you get the right price...every time! E-Roar allows you to track your stock, and instantly see its value. You can even see whether or not your stock's value has gone up or down. E-Roar allows you to connect to and choose from a network of buyers. You can then contact them directly and make a sale. Buyers can register to be added to our directory, allowing potential customers to find you. ERoar is subject to Apple's standard terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Sar Metals at none against ERoar's 1. Sar Metals also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17.0). ERoar's advantage is update cadence (every 5 months vs every 12 months). On price and ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ERoar sells 1 in-app purchase, starting at $9.99 per month. Sar Metals asks for nothing beyond the download.
Sar Metals ships an update every 12 months, ERoar every 5 months. The most recent releases landed on May 19, 2026 and September 22, 2026 respectively.
| Parameter | Sar Metals | ERoar |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 5 months β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | β | Freemium |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 13.4 β better | 17.0 |
| Further details β not scored | ||
| Size | 27 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Mb Piksinas It | ERoar Digital |
In-app purchases
Sar Metals
No in-app purchases
ERoar
- Premium3 Months trial$9.991 Month
Questions
Is Sar Metals free?
Is ERoar free?
Do Sar Metals or ERoar have ads?
Which is updated more often, Sar Metals or ERoar?
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