# MathZoo Junior vs Chalk

MathZoo Junior and Chalk are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. MathZoo Junior sells 1 one-off in-app purchase and Chalk sells 7 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

MathZoo Junior ships an update weekly, Chalk every 4 days. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MathZoo Junior | Chalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chalk-ai-math-tutor/id6762059558/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 8 MB | 1 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fusion Atelier B.V.](https://appshunter.io/developer/1864400421) | [Tyler Hayes](https://appshunter.io/developer/1856083936) |

## What reviewers say

### MathZoo Junior

[App page](https://appshunter.io/ios/app/mathzoo-junior/id6757204107)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathZoo Expert - Lifetime Access | $3.99 | one-time |


### 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 MathZoo Junior free?

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

### Is Chalk free?

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

### Do MathZoo Junior or Chalk have ads?

Neither MathZoo Junior nor Chalk shows ads.

### Which is updated more often, MathZoo Junior or Chalk?

MathZoo Junior ships an update weekly, and Chalk every 4 days. Most recently, MathZoo Junior was updated on October 7, 2026 and Chalk on October 18, 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.*