# Réalité OHgmentée vs AstroCalcul Fun Mental Math

The clearest difference is in-app purchases: Réalité OHgmentée at none against AstroCalcul Fun Mental Math's 1. AstroCalcul Fun Mental Math's advantage is update cadence (weekly vs every 2 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. AstroCalcul Fun Mental Math sells 1 one-off in-app purchase. Réalité OHgmentée asks for nothing beyond the download.

Réalité OHgmentée ships an update every 2 weeks, AstroCalcul Fun Mental Math weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Réalité OHgmentée | AstroCalcul Fun Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 306 MB | 213 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hovertone SPRL](https://appshunter.io/developer/1101106183) | [Jeremy Musette](https://appshunter.io/developer/1883398864) |

## What reviewers say

### Réalité OHgmentée

[App page](https://appshunter.io/ios/app/realite-ohgmentee/id1583013283)

Experience SPARKOH! exhibitions in augmented reality. Point your device at themed panels and murals to unlock animated content and games. Capture and share photos of your AR adventures.

**Highlights:** Augmented reality exhibition experiences, Interactive animated content, AR games, Photo capture and collection, Social media sharing

**In-app purchases:** none


### AstroCalcul Fun Mental Math

[App page](https://appshunter.io/ios/app/astrocalcul-fun-mental-math/id6760236661)

This app helps primary school children master multiplication tables and mental math through an engaging space adventure. It offers personalized revision sessions, progress tracking, and educational mini-games. The app is designed for families with offline functionality and parental controls.

**Highlights:** Targeted multiplication table revision, Mental math practice, Space adventure gameplay, Smart revision system, Educational mini-games, Progress tracking and badges, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroCalcul Premium | $3.99 | one-time |


## Frequently asked questions

### Is Réalité OHgmentée free?

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

### Is AstroCalcul Fun Mental Math free?

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

### Do Réalité OHgmentée or AstroCalcul Fun Mental Math have ads?

Neither Réalité OHgmentée nor AstroCalcul Fun Mental Math shows ads.

### Which is updated more often, Réalité OHgmentée or AstroCalcul Fun Mental Math?

Réalité OHgmentée ships an update every 2 weeks, and AstroCalcul Fun Mental Math weekly. Most recently, Réalité OHgmentée was updated on October 24, 2026 and AstroCalcul Fun Mental Math on October 21, 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.*