# Construction Calculator vs AlphaSniffer

The clearest difference is in-app purchases: AlphaSniffer at none against Construction Calculator's 10. AlphaSniffer also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Construction Calculator sells 10 in-app purchases, starting at $2.99 per 7 days. AlphaSniffer asks for nothing beyond the download.

## The numbers

| Metric | Construction Calculator | AlphaSniffer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 12 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shapkin Dev](https://appshunter.io/developer/1845645309) | [RadonTec GmbH](https://appshunter.io/developer/1731162076) |

## 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, offering precise calculations for decking, roofing, stairs, concrete, and more. It simplifies complex measurements and material takeoffs, ensuring accuracy and efficiency on the job site, even offline.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete and volume estimators, Unit conversion for mixed units, Offline functionality

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter PRO - Weekly | $2.99 | per 7 days |
| Full Access — Weekly | $5.99 | per 7 days |
| Carpenter PRO — Annual | $19.99 | per year |
| Full Access | $39.99 | per year |
| 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 |
| Lifetime Access | $79.99 | one-time |


### AlphaSniffer

[App page](https://appshunter.io/ios/app/alphasniffer-radontec/id6762901193)

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

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator free?

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

### Is AlphaSniffer free?

AlphaSniffer is free to download, with no in-app purchases.

### Do Construction Calculator or AlphaSniffer have ads?

Neither Construction Calculator nor AlphaSniffer 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.*