# Construction Density — T-99 and Cone Density Calc

> Soil density and moisture calculator for T-99 and Cone tests. (iPhone/iPad app by Jacob Armour.)

- Source: https://appshunter.io/ios/app/construction-density/id1434219586 (this page in markdown: same URL + `.md`)
- Developer: [Jacob Armour](https://appshunter.io/developer/1434219585)
- Category: Utilities
- Price: $3.99
- Rating: 4.90/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 14.3 · 1 MB
- Languages: American English
- Released: 2018-08-27
- Data updated: 2026-08-16
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/construction-density/id1434219586/reviews.md

## What is Construction Density?

This calculator will help calculate the Maximum Density and Optimum Moisture of a soil sample from the T-99 and Cone test. This calculator should only be used as a verification of the appropriate chart interpolation.

## Key features

- T-99 density calculation
- Cone density calculation
- Optimum moisture calculation
- Soil sample analysis
- Verification tool

## Chart rankings

- #200 in Top Paid · Utilities (US App Store)


## Frequently asked questions about Construction Density

### What is Construction Density used for?

Construction Density is a calculator designed to help determine the maximum density and optimum moisture of a soil sample using T-99 and Cone test methods. It is intended as a verification tool for chart interpolation in construction and geotechnical contexts.

### How much does Construction Density cost?

Construction Density is a paid application, available for $3.99. This one-time purchase grants you access to its soil density and moisture calculation features.

### What devices support Construction Density?

Construction Density is available for iOS devices, including iPhone, iPad, and iPod. It is designed to run on these Apple platforms.

### When was Construction Density last updated?

The latest version of Construction Density was released on April 4, 2022. This indicates the app has received updates since its initial release in 2018.

### What is the age rating for Construction Density?

Construction Density has an age rating of 4+. This means it is suitable for users of all ages, with no content restrictions.

### Does Construction Density have ads?

No, Construction Density does not contain advertisements. As a paid application, it offers an ad-free experience for users.

### What is the user feedback on Construction Density?

Users have provided very positive feedback for Construction Density, with an average rating of 4.9 stars from 7 ratings. This suggests a high level of user satisfaction with the app's functionality.

## Version history (last 5 releases)

### 1.2.4 — 2022-04-04

Corrected T99 Max Density and Optimum Moisture Calclation

### 1.2.3 — 2021-04-14

Bug Fixes

### 1.2.2 — 2021-01-20

Corrected Calculation Error with optimum moisture and max density.

### 1.2.1 — 2020-12-23

Improved stability and support for IOS 14.

### 1.1.4 — 2020-04-01

Minor enhancements

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## More apps by Jacob Armour

- [The Baby Whisper](https://appshunter.io/ios/app/the-baby-whisper/id1553188823)

All apps by Jacob Armour: https://appshunter.io/developer/1434219585

## Related topics

[construction density](https://appshunter.io/ios/topics/construction-density) · [density calculator](https://appshunter.io/ios/topics/density-calculator) · [density](https://appshunter.io/ios/topics/density)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-16.*