# Mental Math Ninja vs CPP Exam Prep

The clearest difference is iOS requirement: Mental Math Ninja at 12.0 against CPP Exam Prep's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mental Math Ninja sells 1 one-off in-app purchase and CPP Exam Prep sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Mental Math Ninja | CPP Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 17 MB | 21 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sphulling Technologies](https://appshunter.io/developer/1540194995) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Mental Math Ninja

[App page](https://appshunter.io/ios/app/mental-math-ninja/id1441928183)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Do More Math | $0.99 | one-time |


### CPP Exam Prep

[App page](https://appshunter.io/ios/app/cpp-exam-prep/id6757117859)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


## Frequently asked questions

### Is Mental Math Ninja free?

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

### Is CPP Exam Prep free?

CPP Exam Prep is free to download, with in-app purchases available.

### Do Mental Math Ninja or CPP Exam Prep have ads?

Neither Mental Math Ninja nor CPP Exam Prep shows ads.

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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.*