# Lecthème + vs AstroCalcul Fun Mental Math

The clearest difference is in-app purchases: Lecthème + at none against AstroCalcul Fun Mental Math's 1. Lecthème + also leads on iOS requirement (11.0 vs 17.6). AstroCalcul Fun Mental Math's advantage is update cadence (weekly vs every 7 months). On price, 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. Lecthème + asks for nothing beyond the download.

Lecthème + ships an update every 7 months, AstroCalcul Fun Mental Math weekly. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Lecthème + | AstroCalcul Fun Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 252 MB | 213 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Éditions JOCATOP](https://appshunter.io/developer/1438112476) | [Jeremy Musette](https://appshunter.io/developer/1883398864) |

## What reviewers say

### Lecthème +

[App page](https://appshunter.io/ios/app/lectheme-plus-lecture/id1550080649)

**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 Lecthème + free?

Lecthème + 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 Lecthème + or AstroCalcul Fun Mental Math have ads?

Neither Lecthème + nor AstroCalcul Fun Mental Math shows ads.

### Which is updated more often, Lecthème + or AstroCalcul Fun Mental Math?

Lecthème + ships an update every 7 months, and AstroCalcul Fun Mental Math weekly. Most recently, Lecthème + was updated on October 11, 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.*