One Call Now Mobile

by Crisis24 Inc · Productivity · Free

On the App Store since March 2010 · Data updated 2026-10-14

App Store

One Call Now Mobile is made and published by Crisis24 Inc. AppBrain is an independent app data site and isn't affiliated with Crisis24 Inc. The app name, icon, screenshots and description belong to Crisis24 Inc and are shown as published on the App Store.

AppBrain's verdict

Established

Rating on App Store: 2.25; 4 ratings
Last updated: September 21, 2026
Size: 20.6 MB

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Store listing

By Crisis24 Inc, from the App Store

Screenshots by Crisis24 Inc, from the the App Store listing

Description by Crisis24 Inc Written by the developer, not by AppBrain. Click to read.

The One Call Now App is a mobile companion to the on-line mass messaging service. It gives clients access to automated tools that send SMS text, voice, and email messages to any size group, turning your phone, tablet or your computer into a mass-messaging powerhouse. Users can quickly record and send messages to all contacts, or to one or more subgroups. All messages can be stored for re-use as needed. Record the message in your own voice using the app, or use the text-to-speech feature to type a message instead and have it delivered in a natural-sounding automated voice. View message reports on your phone or tablet to see who received the message, no matter where you are. Use the app to send emergency alerts and closings, appointment reminders, employee notifications, event announcements or any other type of message that needs to go to a large group of people quickly. Contacts can even reply to the message via phone, email or text.

Official page on the App Store

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 20.6 MB
Content rating: Everyone

Technologies used by One Call Now Mobile

Releases

Updates seen on the App Store

Version: 4.0.2
Launched: March 2010

No changelog data

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About the app and developer

About One Call Now Mobile

One Call Now Mobile is a productivity app developed by Crisis24 Inc.

User Ratings

One Call Now Mobile is rated 2.25 out of 5 stars. The rating is based on 4 ratings.

App Information

One Call Now Mobile is freely available from the App Store. The app size is 20.56 MB. The latest version available is 4.0.2. The last update was on September 21, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since March 2010.

Developer information for Crisis24 Inc

Crisis24 Inc

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