# Concrete Volume Assistant vs UGC Injection Grout

The clearest difference is price: UGC Injection Grout at Free against Concrete Volume Assistant's $1.99. UGC Injection Grout also leads on update cadence (every 14 months vs every 43 months) and iOS requirement (14.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

UGC Injection Grout is free to download; Concrete Volume Assistant costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Concrete Volume Assistant ships an update every 43 months, UGC Injection Grout every 14 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Concrete Volume Assistant | UGC Injection Grout |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 14 months** |
| Size | 1 MB | 14 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [H3Apps LLC](https://appshunter.io/developer/598620927) | [Master Builders Solutions Deutschland GmbH](https://appshunter.io/developer/1521874754) |

## What reviewers say

### Concrete Volume Assistant

[App page](https://appshunter.io/ios/app/concrete-volume-assistant/id1573681620)

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

**In-app purchases:** none


### UGC Injection Grout

[App page](https://appshunter.io/ios/app/ugc-injection-grout/id6448180874)

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Volume Assistant free?

Concrete Volume Assistant costs $1.99, with no in-app purchases.

### Is UGC Injection Grout free?

UGC Injection Grout is free to download, with no in-app purchases.

### Do Concrete Volume Assistant or UGC Injection Grout have ads?

Neither Concrete Volume Assistant nor UGC Injection Grout shows ads.

### Which is updated more often, Concrete Volume Assistant or UGC Injection Grout?

Concrete Volume Assistant ships an update every 43 months, and UGC Injection Grout every 14 months. Most recently, Concrete Volume Assistant was updated on November 3, 2026 and UGC Injection Grout on October 30, 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.*