# Interview Question PRO vs Math Master

The clearest difference is in-app purchases: Math Master at none against Interview Question PRO's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Interview Question PRO sells 1 one-off in-app purchase. Math Master asks for nothing beyond the download.

## The numbers

| Metric | Interview Question PRO | Math Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 68 MB | 45 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mammoth Interactive INC](https://appshunter.io/developer/432944712) | [Deep Jerajbhai Davara](https://appshunter.io/developer/1683267123) |

## What reviewers say

### Interview Question PRO

[App page](https://appshunter.io/ios/app/interview-question-pro/id6444463643)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Math Master

[App page](https://appshunter.io/ios/app/math-masterarithmeticexplorer/id6479245118)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interview Question PRO free?

Interview Question PRO is free to download, with in-app purchases available.

### Is Math Master free?

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

### Do Interview Question PRO or Math Master have ads?

Neither Interview Question PRO nor Math Master 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.*