---
canonical: "https://www.softatlas.io/onoff/products/onoff-app"
name: "Onoff App"
provider: "Onoff"
category: "Productivity & Collaboration / Business Phone Systems / Cloud Phone Systems"
review_count: 0
ai_powered: false
website: "https://www.onoff.app/en"
updated: "2026-08-22"
---

# Onoff App

By [Onoff](/onoff.md)

The Onoff App allows users to have multiple mobile phone numbers on a single device without the need for additional SIM cards, enabling seamless communication through calls, SMS, and voicemail.

## Features
- Add multiple mobile numbers to a single device
- Send and receive SMS from the app
- Access voicemail directly through the app
- Launch or receive calls from a desktop computer
- Plan when to be reachable with scheduling
- Ring multiple devices simultaneously
- Forward calls to another number
- Hide caller ID during calls

## Built for
CUSTOMER_SUPPORT, SALES, OPERATIONS

Source: https://www.softatlas.io/onoff/products/onoff-app