# Mental Math vs ClassDeck

The clearest difference is in-app purchases: ClassDeck at none against Mental Math's 2. ClassDeck also leads on iOS requirement (13.0 vs 17.6). Mental Math's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Mental Math sells 2 one-off in-app purchases. ClassDeck asks for nothing beyond the download.

## The numbers

| Metric | Mental Math | ClassDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-kalc/id6764098294/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 38 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LMT Digital Creations](https://appshunter.io/developer/640455461) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### 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 |


### ClassDeck

[App page](https://appshunter.io/ios/app/classdeck-school-planner/id6787720742)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is ClassDeck free?

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

### Do Mental Math or ClassDeck have ads?

ClassDeck shows ads; Mental Math 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.*