# Forta app vs Mental Math Drills

The clearest difference is in-app purchases: Forta app at none against Mental Math Drills's 2. Forta app also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mental Math Drills sells 2 in-app purchases, starting at $4.99 per month. Forta app asks for nothing beyond the download.

Forta app ships an update every 2 months, Mental Math Drills every 6 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Forta app | Mental Math Drills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 44 MB | 75 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infowijs B.V.](https://appshunter.io/developer/1499461770) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Forta app

[App page](https://appshunter.io/ios/app/forta-app/id1531317181)

**In-app purchases:** none


### Mental Math Drills

[App page](https://appshunter.io/ios/app/mental-math-drills-calcflow/id6749810926)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $29.99 | per year |


## Frequently asked questions

### Is Forta app free?

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

### Is Mental Math Drills free?

Mental Math Drills is free to download, with in-app purchases available.

### Do Forta app or Mental Math Drills have ads?

Mental Math Drills shows ads; Forta app does not.

### Which is updated more often, Forta app or Mental Math Drills?

Forta app ships an update every 2 months, and Mental Math Drills every 6 months. Most recently, Forta app was updated on October 27, 2026 and Mental Math Drills on October 25, 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.*