# CloudLabs Soil Density vs Chalk

The clearest difference is in-app purchases: CloudLabs Soil Density at none against Chalk's 3. CloudLabs Soil Density also leads on iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Chalk sells 3 in-app purchases, starting at $9.99 per month. CloudLabs Soil Density asks for nothing beyond the download.

## The numbers

| Metric | CloudLabs Soil Density | Chalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chalk-ai-math-tutor/id6762059558/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Freemium |
| Size | 199 MB | 1 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [tyler hayes](https://appshunter.io/developer/1856083936) |

## What reviewers say

### CloudLabs Soil Density

[App page](https://appshunter.io/ios/app/cloudlabs-soil-density/id1636887010)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chalk

[App page](https://appshunter.io/ios/app/chalk-ai-math-tutor/id6762059558)

This AI-powered math tutor visually explains concepts step-by-step on a digital whiteboard, offering personalized guidance and identifying errors. It covers a wide range of math subjects, adapting to your learning pace and progress.

**Highlights:** Visual step-by-step explanations, Real handwriting on digital whiteboard, Audible reasoning and explanations, Live error detection and correction, Comprehensive math subject coverage, Adaptive learning and progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chalk Lite | $9.99 | per month |
| Chalk Plus | $14.99 | per month |
| Chalk Pro | $24.99 | per month |


## Frequently asked questions

### Is CloudLabs Soil Density free?

CloudLabs Soil Density is free to download, with no in-app purchases.

### Is Chalk free?

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

### Do CloudLabs Soil Density or Chalk have ads?

Neither CloudLabs Soil Density nor Chalk shows ads.

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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.*