# Euclide! vs Mental Math

The clearest difference is update cadence: Euclide! at daily against Mental Math's fortnightly. Euclide! also leads on iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Euclide! sells 2 in-app purchases, starting at $6.99 per month and Mental Math sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Euclide! ships an update daily, Mental Math fortnightly. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Euclide! | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-kalc/id6764098294/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 1021 MB | 17 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [ROGER-CHARLES JEAN TISSIER](https://appshunter.io/developer/1836391595) | [LMT Digital Creations](https://appshunter.io/developer/640455461) |

## What reviewers say

### Euclide!

[App page](https://appshunter.io/ios/app/euclide/id6754806580)

Embark on a math adventure where solving problems advances a story. Explore worlds, play mini-games, and master concepts from elementary to middle school. Offers modes for exam preparation and general skill improvement.

**Highlights:** Story-driven math challenges, Mini-games and challenges, Middle school curriculum coverage, Exam preparation mode, Progress tracking with belts, Multiplayer challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Mensuel | $6.99 | per month |
| Abonnement Annuel | $59.99 | per year |


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-kalc/id6764098294)

Sharpen your mental math skills with daily practice. This app uses spaced repetition to help you master concepts like fractions, percentages, and algebra. It offers two modes for flexible learning and provides real-life examples of how math is used every day.

**Highlights:** Spaced repetition system (SRS), Covers multiplication, division, fractions, percentages, algebra, Zen and Chrono practice modes, Visible progress tracking, Real-life math examples, Home screen widgets, Customizable reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Annuel | $17.99 | one-time |
| Accès à vie | $29.99 | one-time |


## Frequently asked questions

### Is Euclide! free?

Euclide! is free to download, with in-app purchases available.

### Is Mental Math free?

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

### Do Euclide! or Mental Math have ads?

Neither Euclide! nor Mental Math shows ads.

### Which is updated more often, Euclide! or Mental Math?

Euclide! ships an update daily, and Mental Math fortnightly. Most recently, Euclide! was updated on October 9, 2026 and Mental Math on October 15, 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.*