# BOOST with Luly B. vs Chalk

The clearest difference is in-app purchases: BOOST with Luly B. at none against Chalk's 7. BOOST with Luly B. also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Chalk sells 7 in-app purchases, starting at $5.99 per month. BOOST with Luly B. asks for nothing beyond the download.

## The numbers

| Metric | BOOST with Luly B. | Chalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/chalk-ai-math-tutor/id6762059558/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Freemium |
| Size | 17 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BOOST with Luly B.](https://appshunter.io/developer/1874577959) | [Tyler Hayes](https://appshunter.io/developer/1856083936) |

## What reviewers say

### BOOST with Luly B.

[App page](https://appshunter.io/ios/app/boost-with-luly-b/id6758719712)

**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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chalk Lite | $5.99 | per month |
| Chalk Lite | $5.99 | per month |
| Chalk Plus | $11.99 | per month |
| Chalk Pro | $17.99 | per month |
| Chalk Lite (Yearly) | $41.99 | per year |
| Chalk Plus (Yearly) | $83.99 | per year |
| Chalk Pro (Yearly) | $125.99 | per year |


## Frequently asked questions

### Is BOOST with Luly B. free?

BOOST with Luly B. is free to download, with no in-app purchases.

### Is Chalk free?

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

### Do BOOST with Luly B. or Chalk have ads?

Neither BOOST with Luly B. 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.*