# Sar Metals vs ERoar

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.

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.

## The numbers

| Metric | Sar Metals | ERoar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Monetization | — | Freemium |
| Size | 27 MB | 3 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Mb Piksinas It](https://appshunter.io/developer/1547567444) | [ERoar Digital](https://appshunter.io/developer/1720718787) |

## What reviewers say

### Sar Metals

[App page](https://appshunter.io/ios/app/sar-metals/id6443620020)

**Features:** macOS Compatibility

**In-app purchases:** none


### ERoar

[App page](https://appshunter.io/ios/app/eroar/id6474127113)

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.

**Highlights:** Real-time catalytic converter values, Stock tracking and value monitoring, Connect with a network of buyers, Buyer directory for potential customers, Market-linked pricing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |


## Frequently asked questions

### Is Sar Metals free?

Sar Metals is free to download, with no in-app purchases.

### Is ERoar free?

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

### Do Sar Metals or ERoar have ads?

Neither Sar Metals nor ERoar shows ads.

### Which is updated more often, Sar Metals or ERoar?

Sar Metals ships an update every 12 months, and ERoar every 5 months. Most recently, Sar Metals was updated on May 19, 2026 and ERoar on September 22, 2026.

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