# Concrete Testing vs RTDensity

The clearest difference is update cadence: Concrete Testing at fortnightly against RTDensity's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Concrete Testing ships an update fortnightly, RTDensity every 8 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Concrete Testing | RTDensity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/concrete-testing/id1550534629/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Free | — |
| Size | 17 MB | 69 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Bachman](https://appshunter.io/developer/1548563853) | [G4 Technologies](https://appshunter.io/developer/1782981252) |

## What reviewers say

### Concrete Testing

[App page](https://appshunter.io/ios/app/concrete-testing/id1550534629)

This app assists with concrete testing by following the IC-652 form from the Indiana Department of Transportation. It provides tools for three essential tests: Concrete Yield, Concrete Air, and Concrete Slump, crucial for job site concrete placement.

**Highlights:** Follows IC-652 INDOT form, Concrete Yield testing, Concrete Air testing, Concrete Slump testing, Designed for job site use

**In-app purchases:** none


### RTDensity

[App page](https://appshunter.io/ios/app/rtdensity/id6738932143)

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

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Testing free?

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

### Is RTDensity free?

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

### Do Concrete Testing or RTDensity have ads?

Neither Concrete Testing nor RTDensity shows ads.

### Which is updated more often, Concrete Testing or RTDensity?

Concrete Testing ships an update fortnightly, and RTDensity every 8 months. Most recently, Concrete Testing was updated on October 16, 2026 and RTDensity on October 6, 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.*