# Crestron AirMedia vs CertusAlert

The clearest difference is rating: CertusAlert at 5.0 against Crestron AirMedia's 1.9. CertusAlert also leads on update cadence (every 10 days vs every 6 months). Crestron AirMedia's advantage is ratings volume (79 vs 1) and iOS requirement (12.0 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 1.9. That said, the two scores are not equally well evidenced: Crestron AirMedia has 79 ratings behind it against 1, so its average is the more settled of the two.

Crestron AirMedia ships an update every 6 months, CertusAlert every 10 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Crestron AirMedia | CertusAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (79 ratings)](https://appshunter.io/ios/app/crestron-airmedia/id685412055/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certusalert/id6790866599/reviews)** |
| Number of ratings | **79** | 1 |
| Positive reviews | 9.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 16 MB | 3 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Crestron Electronics, Inc.](https://appshunter.io/developer/307560804) | [Darrell Iehle](https://appshunter.io/developer/6789659622) |

## What reviewers say

### Crestron AirMedia

[App page](https://appshunter.io/ios/app/crestron-airmedia/id685412055)

Wirelessly share your mobile device's screen to a collaboration system in a room. Connect to compatible receivers on the network and present simultaneously with others. Control active presentations for flexible workflows.

**Highlights:** Wireless screen sharing from mobile devices, Connect to AirMedia receiver devices, Simultaneous multi-user presentations, Canvas control for presentation management, Seamless collaboration

**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 Crestron AirMedia free?

Crestron AirMedia 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, Crestron AirMedia or CertusAlert?

CertusAlert is rated higher. Crestron AirMedia averages 1.9 out of 5 from 79 ratings, while CertusAlert averages 5.0 from 1 ratings.

### Do Crestron AirMedia or CertusAlert have ads?

Neither Crestron AirMedia nor CertusAlert shows ads.

### Which is updated more often, Crestron AirMedia or CertusAlert?

Crestron AirMedia ships an update every 6 months, and CertusAlert every 10 days. Most recently, Crestron AirMedia was updated on November 1, 2026 and CertusAlert on October 31, 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.*