# Facility Grid vs CertusAlert

The clearest difference is rating: CertusAlert at 5.0 against Facility Grid's 3.4. CertusAlert also leads on update cadence (every 10 days vs every 3 weeks). Facility Grid's advantage is ratings volume (13 vs 1) and iOS requirement (15.6 vs 26.5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CertusAlert holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Facility Grid has 13 ratings behind it against 1, so its average is the more settled of the two.

Facility Grid ships an update every 3 weeks, CertusAlert every 10 days. The most recent releases landed on September 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Facility Grid | CertusAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (13 ratings)](https://appshunter.io/ios/app/facility-grid/id1296580860/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certusalert/id6790866599/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 73 MB | 3 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Facility Grid, LLC](https://appshunter.io/developer/1296580859) | [Darrell Iehle](https://appshunter.io/developer/6789659622) |

## What reviewers say

### Facility Grid

[App page](https://appshunter.io/ios/app/facility-grid/id1296580860)

This application streamlines field commissioning and quality control for teams. It offers customizable roles and permissions, an intuitive interface, and offline access to project data. Keep projects on track and teams aligned with seamless synchronization.

**Highlights:** Customizable roles and permissions, Intuitive interface for all skill levels, Offline access to project data, Automatic data synchronization, Seamless connection to FacilityGrid.net

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

**In-app purchases:** none


### CertusAlert

[App page](https://appshunter.io/ios/app/certusalert/id6790866599)

Receive real-time, customizable Building Management System (BMS) alarm messages. Prioritize notifications and automatically sort messages into color-coded folders based on keywords.

**Highlights:** Customizable BMS alarm messaging, Real-time notifications, Priority filtering for alerts, Automatic message sorting, Color-coded folders, Keyword-based sorting

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Facility Grid free?

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

### Is CertusAlert free?

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

### Which has better reviews, Facility Grid or CertusAlert?

CertusAlert is rated higher. Facility Grid averages 3.4 out of 5 from 13 ratings, while CertusAlert averages 5.0 from 1 ratings.

### Do Facility Grid or CertusAlert have ads?

Neither Facility Grid nor CertusAlert shows ads.

### Which is updated more often, Facility Grid or CertusAlert?

Facility Grid ships an update every 3 weeks, and CertusAlert every 10 days. Most recently, Facility Grid was updated on September 3, 2026 and CertusAlert on September 25, 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.*