# Chalk vs Lumis

The clearest difference is iOS requirement: Chalk at 17.0 against Lumis's 26.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Chalk sells 7 in-app purchases, starting at $5.99 per month and Lumis sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Chalk against 5.0 for Lumis. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Chalk | Lumis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/chalk-ai-math-tutor/id6762059558/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/lumis-syllabus-study-planner/id6803194900/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | Freemium |
| Size | 1 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tyler Hayes](https://appshunter.io/developer/1856083936) | [Coral Code LLC](https://appshunter.io/developer/6803194902) |

## What reviewers say

### 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 |


### Lumis

[App page](https://appshunter.io/ios/app/lumis-syllabus-study-planner/id6803194900)

This app automatically schedules assignments, exams, and due dates from your uploaded syllabus. It generates personalized study guides, flashcards, and practice questions based on your course material and offers an AI assistant to answer questions about your classes.

**Highlights:** Automatic syllabus parsing and scheduling, AI-generated study guides and flashcards, Course-specific AI assistant, Focus timer and grade tracking, Home screen widget for upcoming tasks, Multiple syllabus upload formats

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumis Premium Monthly | $8.99 | per month |
| Lumis Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is Chalk free?

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

### Is Lumis free?

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

### Which has better reviews, Chalk or Lumis?

Chalk and Lumis are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do Chalk or Lumis have ads?

Neither Chalk nor Lumis 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.*