# Construction Master 5 Calc vs Chalk

The clearest difference is ratings volume: Construction Master 5 Calc at 13K against Chalk's 2. Construction Master 5 Calc also leads on chart position (#179 vs unranked) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Construction Master 5 Calc sells 2 in-app purchases, starting at $3.99 per month and Chalk sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chalk holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Master 5 Calc has 13K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Construction Master 5 Calc | Chalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13K ratings)](https://appshunter.io/ios/app/construction-master-5-calc/id370412148/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chalk-construction-calculator/id6790033351/reviews)** |
| Number of ratings | **13K** | 2 |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#179** | — |
| Size | 73 MB | 18 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Lionary LLC](https://appshunter.io/developer/1049490654) |

## What reviewers say

### Construction Master 5 Calc

[App page](https://appshunter.io/ios/app/construction-master-5-calc/id370412148)

**Currently charting:** #179 Top Grossing · Utilities (US App Store)

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

**Highlights:** Feet-inch-fraction calculations, Right angle and rafter calculations, Area and volume solutions, Board feet and cost per unit, Dimensional math and conversions, Save or email calculations, Context-sensitive help

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $3.99 | per month |
| 1 Year Full Access | $34.99 | per year |

**What reviewers like**

- 👍 Convenient to have on phone
- 💡 Useful for construction work
- 🚀 Performs like physical calculator
- 👍 Helpful for calculations and estimates
- 👍 Great tool for framers and carpenters

**What reviewers complain about**

- 💰 Expensive subscription model
- 🤔 Prefer one-time purchase option
- 🤔 Subscription cost as much as physical calculator
- 🤔 Should allow trial before subscription
- 🐛 Issues with restoring purchases

**Reported bugs**

- App not working without internet connection
- Crashes or freezes on some devices
- Login/purchase issues when switching devices

**Requested features**

- Add Apple Watch support
- Offer one-time purchase option
- Improve compatibility with older devices
- Provide a free version with limited features


### 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 |


## Frequently asked questions

### Is Construction Master 5 Calc free?

Construction Master 5 Calc is free to download, with in-app purchases available.

### Is Chalk free?

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

### Which has better reviews, Construction Master 5 Calc or Chalk?

Chalk is rated higher. Construction Master 5 Calc averages 4.8 out of 5 from 13K ratings, while Chalk averages 5.0 from 2 ratings.

### Do Construction Master 5 Calc or Chalk have ads?

Neither Construction Master 5 Calc nor Chalk shows ads.

### Which is updated more often, Construction Master 5 Calc or Chalk?

Construction Master 5 Calc ships an update every 3 months, and Chalk every 3 months. Most recently, Construction Master 5 Calc was updated on October 21, 2026 and Chalk on October 16, 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.*