Archived App (Last seen on 31 Mar 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Receive critical emergency alerts directly on your smartphone. This system provides notifications for severe weather, imminent threats, Amber alerts, and presidential messages, acting as a wireless version of the Emergency Broadcast System.
What's New in CellularOne CMAS
1.2
June 3, 2020
Implemented required internal method for displaying initial screen.
Developer apps
FAQ
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.
