# CoalMint vs Ferrohaat

The clearest difference is in-app purchases: Ferrohaat at none against CoalMint's 3. CoalMint's advantage is iOS requirement (11.1 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CoalMint sells 3 in-app purchases, starting at $149.99 per year. Ferrohaat asks for nothing beyond the download.

CoalMint ships an update every 4 months, Ferrohaat every 2 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CoalMint | Ferrohaat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 147 MB | 25 MB |
| Requires iOS | **11.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SteelMint Info Services LLP](https://appshunter.io/developer/885759138) | [TATA Steel Ltd](https://appshunter.io/developer/1483934390) |

## What reviewers say

### CoalMint

[App page](https://appshunter.io/ios/app/coalmint/id1451921246)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PriceOnly12MonthsPlan | $149.99 | per year |
| 1 Year Auto Renew Plan | $249.99 | per year |
| Professional12Months | $300.00 | per year |


### Ferrohaat

[App page](https://appshunter.io/ios/app/ferrohaat/id1504449104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoalMint free?

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

### Is Ferrohaat free?

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

### Do CoalMint or Ferrohaat have ads?

Neither CoalMint nor Ferrohaat shows ads.

### Which is updated more often, CoalMint or Ferrohaat?

CoalMint ships an update every 4 months, and Ferrohaat every 2 months. Most recently, CoalMint was updated on October 1, 2026 and Ferrohaat on October 3, 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.*