# 24 Math Master vs Ferroll

The clearest difference is in-app purchases: 24 Math Master at none against Ferroll's 3. 24 Math Master also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). Ferroll's advantage is iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Ferroll sells 3 one-off in-app purchases. 24 Math Master asks for nothing beyond the download.

24 Math Master ships an update every 2 days, Ferroll weekly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 24 Math Master | Ferroll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Size | 1 MB | 43 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jingling Zhu](https://appshunter.io/developer/1632188995) | [Mustafa YAGIZ](https://appshunter.io/developer/1877669216) |

## What reviewers say

### 24 Math Master

[App page](https://appshunter.io/ios/app/24-math-master/id6758396505)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ferroll

[App page](https://appshunter.io/ios/app/ferroll/id6759351512)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Lives Pack | $0.99 | one-time |
| 15 Lives Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is 24 Math Master free?

24 Math Master is free to download, with no in-app purchases.

### Is Ferroll free?

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

### Do 24 Math Master or Ferroll have ads?

Ferroll shows ads; 24 Math Master does not.

### Which is updated more often, 24 Math Master or Ferroll?

24 Math Master ships an update every 2 days, and Ferroll weekly. Most recently, 24 Math Master was updated on October 2, 2026 and Ferroll on October 7, 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.*