# COMMAND Center™ Concrete 4 vs i

The clearest difference is ratings volume: COMMAND Center™ Concrete 4 at 5 against i's 1. i's advantage is iOS requirement (13.4 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for COMMAND Center™ Concrete 4 against 5.0 for i. That said, the two scores are not equally well evidenced: COMMAND Center™ Concrete 4 has 5 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | COMMAND Center™ Concrete 4 | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/command-center-concrete-4/id1625899714/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/i-pump-concrete/id6737528957/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 11 MB | 22 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Transtec](https://appshunter.io/developer/971934635) | [Web Canvas LLC](https://appshunter.io/developer/740353225) |

## What reviewers say

### COMMAND Center™ Concrete 4

[App page](https://appshunter.io/ios/app/command-center-concrete-4/id1625899714)

Monitor concrete temperature and maturity in real-time. Transmit data wirelessly to the cloud for remote access and analysis. Generate reports and receive alerts for project specifications.

**Highlights:** Monitor concrete temperature history, Calculate maturity and evaluate strength, Wireless data transmission to cloud, Remote access from anywhere, Real-time alerts via text/email, Create and export reports (PDF, Excel), Organize sensor data by project

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

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-pump-concrete/id6737528957)

This app serves as a reference for concrete pumping professionals. It provides equipment specifications, a visual guide to hand signals, safety guidelines, and location-based weather forecasts.

**Highlights:** Concrete pumping equipment specs, Visual directory of hand signals, Safety guidelines, Location-based weather forecasts, Useful tips for concrete pumping

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COMMAND Center™ Concrete 4 free?

COMMAND Center™ Concrete 4 is free to download, with no in-app purchases.

### Is i free?

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

### Which has better reviews, COMMAND Center™ Concrete 4 or i?

COMMAND Center™ Concrete 4 and i are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do COMMAND Center™ Concrete 4 or i have ads?

Neither COMMAND Center™ Concrete 4 nor i shows ads.

### Which is updated more often, COMMAND Center™ Concrete 4 or i?

COMMAND Center™ Concrete 4 ships an update every 2 months, and i every 2 months. Most recently, COMMAND Center™ Concrete 4 was updated on November 3, 2026 and i 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.*