# ERoar vs Catalist

The clearest difference is update cadence: Catalist at every 4 weeks against ERoar's every 5 months. Catalist also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ERoar sells 1 in-app purchase, starting at $9.99 per month and Catalist sells 5 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ERoar ships an update every 5 months, Catalist every 4 weeks. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ERoar | Catalist |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Freemium | — |
| Size | 3 MB | 29 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ERoar Digital](https://appshunter.io/developer/1720718787) | [Marcin Biczysko](https://appshunter.io/developer/1782379634) |

## What reviewers say

### 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 |


### Catalist

[App page](https://appshunter.io/ios/app/catalist/id6738795479)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $12.99 | per month |
| Business | $34.99 | per month |
| Professional | $89.99 | per month |
| Professional | $99.99 | per 3 months |
| Professional Plus | $299.99 | per year |


## Frequently asked questions

### Is ERoar free?

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

### Is Catalist free?

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

### Do ERoar or Catalist have ads?

Neither ERoar nor Catalist shows ads.

### Which is updated more often, ERoar or Catalist?

ERoar ships an update every 5 months, and Catalist every 4 weeks. Most recently, ERoar was updated on September 22, 2026 and Catalist on September 20, 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.*