# Chess Knowledge vs Elementary Math ScratchPad

The clearest difference is iOS requirement: Chess Knowledge at 12.0 against Elementary Math ScratchPad's 17.5. On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Chess Knowledge | Elementary Math ScratchPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elementary-math-scratchpad/id6758646420/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Monthly | — |
| Monetization | — | Free |
| Size | 86 MB | 3 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chess Knowledge FZE](https://appshunter.io/developer/1628767249) | [Md Yousuf Ali](https://appshunter.io/developer/1869481678) |

## What reviewers say

### Chess Knowledge

[App page](https://appshunter.io/ios/app/chess-knowledge/id1628767247)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elementary Math ScratchPad

[App page](https://appshunter.io/ios/app/elementary-math-scratchpad/id6758646420)

This app provides a digital workspace for students to practice elementary math. It allows users to draw, take notes, and visualize problems directly on screen, reducing mental load and making learning less stressful. Features include interactive scratchpad, multiple game modes, and smart difficulty levels.

**Highlights:** Interactive scratchpad for drawing and notes, Addition, subtraction, and multiplication modes, Adjustable difficulty levels (1-3 digits), Reward system for motivation, Offline and private use, Suitable for visual learners

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Knowledge free?

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

### Is Elementary Math ScratchPad free?

Elementary Math ScratchPad is free to download, with no in-app purchases.

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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.*