COMMAND Center™ Concrete 4 vs i
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COMMAND Center™ Concrete 4
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.
- 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
Read full descriptionHide full description
Use COMMAND Center™ to monitor concrete temperature history, calculate maturity, and evaluate in-place strength. Transmit concrete temperature and maturity data wirelessly to COMMAND Center Cloud™ and access it from anywhere. With COMMAND Center™ for iOS you can: • Add sensors to projects via Bluetooth® or by scanning the label • Transmit data wirelessly and automatically • Access data remotely and in real-time from anywhere, on or off the jobsite with COMMAND Center Cloud™ • Create Projects & share project data with others using permissions • Organize sensor data in Placements within Projects • Configure real-time alerts based on project specifications and get notifications by text or email • View temperature history & temperature differentials for concrete sensors in real time • Identify when maturity and estimated strength targets have been reached • Create & export reports directly from the App including PDFs and Excel® files COMMAND Center™ sensors connect to reusable AutoCollector™ and/or SRM (Sensor Reader Module) devices. The AutoCollector™ uses a cellular signal to automatically send your concrete data to the COMMAND Center Cloud™, where teams can access it in real-time from anywhere. SRMs transfer data to the iOS app, to an AutoCollector™ via Bluetooth® Long-Range, or store data locally for later transfer. Construction teams use COMMAND Center™ to satisfy project requirements for mass placements, cold-weather concreting, and fast-track construction. COMMAND Center™ is ASTM C1074 compliant.
i
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.
- Concrete pumping equipment specs
- Visual directory of hand signals
- Safety guidelines
- Location-based weather forecasts
- Useful tips for concrete pumping
Read full descriptionHide full description
Howard Concrete Pumping brings you i-Pump Concrete, an invaluable reference for anyone involved in concrete pumping. This app allows you to: - Look up specs and reach information for concrete pumping equipment - Provides a visual directory of concrete pump hand signals - Includes safety guidelines for working with conrete pumps and a list of useful tips - Includes weather forecasts based on your location
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | COMMAND Center™ Concrete 4 | i |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 11 MB | 22 MB |
| Age rating | 4+ | 17+ |
| Developer | Transtec | Web Canvas LLC |
Customer experience
COMMAND Center™ Concrete 4
i
In-app purchases
COMMAND Center™ Concrete 4
No in-app purchases
i
No in-app purchases
Questions
Is COMMAND Center™ Concrete 4 free?
Is i free?
Which has better reviews, COMMAND Center™ Concrete 4 or i?
Do COMMAND Center™ Concrete 4 or i have ads?
Which is updated more often, COMMAND Center™ Concrete 4 or i?
Other comparisons















