# Construction Calculator vs Chippy Boss

The clearest difference is device support: Chippy Boss at 3 against Construction Calculator's 1. Chippy Boss also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Construction Calculator sells 12 in-app purchases, starting at $2.99 per 7 days and Chippy Boss sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Construction Calculator ships an update fortnightly, Chippy Boss every 3 weeks. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Construction Calculator | Chippy Boss |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 39 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shapkin Dev](https://appshunter.io/developer/1845645309) | [Nicholas Straughan](https://appshunter.io/developer/6772360178) |

## What reviewers say

### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597)

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete, asphalt, and gravel volume estimators, Slope, pitch, and angle framing helpers, Unit converter with mixed-unit support, Offline functionality

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter PRO - Weekly | $2.99 | per 7 days |
| Carpenter PRO — Annual | $19.99 | per year |
| RL Level & Benchmark Calculator | $3.99 | one-time |
| Gravel Volume Calculator | $3.99 | one-time |
| Stair Stringer & Rise Run Calc | $3.99 | one-time |
| Soil Excavation Volume Calculator | $3.99 | one-time |
| Asphalt Tonnage Calculator | $3.99 | one-time |
| Right Triangle & Pitch Calculator | $3.99 | one-time |
| Running Measurements Calculator | $3.99 | one-time |
| Unit Converter: Feet & Metric | $3.99 | one-time |
| Paint Area Coverage Estimator | $3.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Chippy Boss

[App page](https://appshunter.io/ios/app/chippy-boss/id6772360176)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chippy Boss - Monthly | $2.99 | per month |
| Chippy Boss - Yearly | $29.99 | per year |


## Frequently asked questions

### Is Construction Calculator free?

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

### Is Chippy Boss free?

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

### Do Construction Calculator or Chippy Boss have ads?

Neither Construction Calculator nor Chippy Boss shows ads.

### Which is updated more often, Construction Calculator or Chippy Boss?

Construction Calculator ships an update fortnightly, and Chippy Boss every 3 weeks. Most recently, Construction Calculator was updated on September 11, 2026 and Chippy Boss on September 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.*