# Chalk vs Bench Math

The clearest difference is iOS requirement: Bench Math at 18.0 against Chalk's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chalk sells 2 in-app purchases, starting at $2.99 per 7 days and Bench Math sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chalk | Bench Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chalk-construction-calculator/id6790033351/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 1 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lionary LLC](https://appshunter.io/developer/1049490654) | [Guillaume RATOUCHNIAK](https://appshunter.io/developer/6788773012) |

## What reviewers say

### Chalk

[App page](https://appshunter.io/ios/app/chalk-construction-calculator/id6790033351)

This construction calculator handles metric and imperial units seamlessly, offering specialized tools for various trades like framing, tiling, and concrete work. It features an AI advisor for job guidance and works offline, ensuring accessibility on any job site.

**Highlights:** Metric and imperial unit support, Specialized trade calculators (stairs, rafters, concrete, etc.), AI Advisor for job guidance, Offline functionality, Adjustable fraction precision, Saved projects

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chalk Pro Weekly | $2.99 | per 7 days |
| Chalk Pro Yearly | $17.99 | per year |


### Bench Math

[App page](https://appshunter.io/ios/app/bench-math-cnc-calculator/id6814120682)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bench Math Pro | $5.99 | one-time |


## Frequently asked questions

### Is Chalk free?

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

### Is Bench Math free?

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

### Do Chalk or Bench Math have ads?

Neither Chalk nor Bench Math 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.*