# CodeBrew for Schools vs Mental Math

The clearest difference is price: Mental Math at Free against CodeBrew for Schools's $24.99. Mental Math also leads on update cadence (fortnightly vs every 2 months). CodeBrew for Schools's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.6). On ads and device support there is nothing between them.

Mental Math is free to download; CodeBrew for Schools costs $24.99 up front. Mental Math sells 2 one-off in-app purchases. CodeBrew for Schools asks for nothing beyond the download.

CodeBrew for Schools ships an update every 2 months, Mental Math fortnightly. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CodeBrew for Schools | Mental Math |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-kalc/id6764098294/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 326 MB | 17 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julius Naeumann](https://appshunter.io/developer/1402019766) | [LMT Digital Creations](https://appshunter.io/developer/640455461) |

## What reviewers say

### CodeBrew for Schools

[App page](https://appshunter.io/ios/app/codebrew-for-schools/id6738934770)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 CodeBrew for Schools free?

CodeBrew for Schools costs $24.99, with no in-app purchases.

### Is Mental Math free?

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

### Do CodeBrew for Schools or Mental Math have ads?

Neither CodeBrew for Schools nor Mental Math shows ads.

### Which is updated more often, CodeBrew for Schools or Mental Math?

CodeBrew for Schools ships an update every 2 months, and Mental Math fortnightly. Most recently, CodeBrew for Schools was updated on September 15, 2026 and Mental Math on September 26, 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.*