# Simple Mental Math Practice vs Défi Orthographe

The clearest difference is ads: Défi Orthographe at none against Simple Mental Math Practice's shown. Simple Mental Math Practice's advantage is iOS requirement (13.0 vs 17). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Mental Math Practice sells 1 one-off in-app purchase and Défi Orthographe sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simple Mental Math Practice | Défi Orthographe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 36 MB | 12 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ENDEVLAB](https://appshunter.io/developer/1803275438) | [eklfrance](https://appshunter.io/developer/454520564) |

## What reviewers say

### Simple Mental Math Practice

[App page](https://appshunter.io/ios/app/simple-mental-math-practice/id6755456204)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $6.99 | one-time |


### Défi Orthographe

[App page](https://appshunter.io/ios/app/defi-orthographe/id6764667454)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Version complète | $2.99 | one-time |


## Frequently asked questions

### Is Simple Mental Math Practice free?

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

### Is Défi Orthographe free?

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

### Do Simple Mental Math Practice or Défi Orthographe have ads?

Simple Mental Math Practice shows ads; Défi Orthographe does not.

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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.*