# CellularOne CMAS

> Emergency alert system for severe weather, threats, Amber, and presidential alerts. (iPhone/iPad app by Smith Bagley Inc..)

- Source: https://appshunter.io/ios/app/cellularone-cmas/id1500898565 (this page in markdown: same URL + `.md`)
- Developer: [Smith Bagley Inc.](https://appshunter.io/developer/1500898564)
- Category: Utilities, Reference
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 8.1 · 39 MB
- Languages: English
- Released: 2020-03-20
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cellularone-cmas/id1500898565/reviews.md

## What is CellularOne CMAS?

CellularOne is proud to offer the Commercial Mobile Alert System or CMAS. Download and install now CellularOne's new emergency alert system app and you will be notified of adverse weather conditions, extreme & severe imminent threat warnings, Amber alerts, and Presidential alerts. CMAS is a wireless version of the Emergency Broadcast System. 

Who sends CMAS alerts? 
Most are sent by the National Weather Service. Some alerts such as Amber alerts are prompted by local law enforcment.

Do I have to have a smartphone to use the CMAS app?
Yes. Currently CMAS is only available to CellularOne smartphone users.

What type of alerts will be made available to the public through CMAS?
Adverse weather conditions, extreme & severe imminent threat warnings, Amber alerts, and Presidential alerts. 

Will wireless customers be charged for CMAS/WEA alerts? 
Wireless customers will not be charged for the receipt of CMAS messages.

Will CMAS track a person’s location? 
No, CMAS will not track an individual’s locations or personal data. This assures that authorities cannot collect any subscriber-related data.

## Key features

- Emergency alert notifications
- Severe weather warnings
- Imminent threat alerts
- Amber alerts
- Presidential alerts
- Wireless Emergency Broadcast System


## Frequently asked questions about CellularOne CMAS

### What types of alerts does CellularOne CMAS send?

CellularOne CMAS sends alerts for adverse weather conditions, extreme and severe imminent threat warnings, Amber alerts, and Presidential alerts. It functions as a wireless version of the Emergency Broadcast System.

### Is CellularOne CMAS free to use?

Yes, CellularOne CMAS is completely free to download and use. Wireless customers will not be charged for the receipt of CMAS/WEA alerts.

### Does CellularOne CMAS track my location?

No, CellularOne CMAS does not track an individual's location or personal data. This ensures that authorities cannot collect any subscriber-related information.

### Who sends the alerts through CellularOne CMAS?

Most alerts are sent by the National Weather Service. Some alerts, such as Amber alerts, are prompted by local law enforcement agencies.

### What devices support CellularOne CMAS?

Currently, CellularOne CMAS is only available to CellularOne smartphone users. Supported devices include iPhone and iPod.

### How often is CellularOne CMAS updated?

The latest version of CellularOne CMAS is 1.2, which was last updated on June 3, 2020. The app was initially released on March 20, 2020.

### What is the age rating for CellularOne CMAS?

CellularOne CMAS has an age rating of 4+. This indicates it is suitable for general audiences.

### Does CellularOne CMAS have ads?

No, CellularOne CMAS does not contain advertisements. The app is ad-free.

## Version history (last 3 releases)

### 1.2 — 2020-06-03

Implemented required internal method for displaying initial screen.

### 1.1 — 2020-03-23

Performance improvements.

### 1.0 — 2020-03-20

No release notes.

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## More apps by Smith Bagley Inc.

- [My CellularOne](https://appshunter.io/ios/app/my-cellularone/id1535665262)

All apps by Smith Bagley Inc.: https://appshunter.io/developer/1500898564

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*