Onoff Numbers
Onoff Numbers Summary
Onoff Numbers is a with in-app purchases Android app in Communication by Onoff Telecom. Released in Jan 2016 (10 years ago). It has about 2.7M+ installs and 18.4K ratings with a 3.52★ (average) average. Based on AppGoblin estimates, it reaches roughly 124.8K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Feb 12, 2026, version 723.
Recent activity: 4.1K installs this week (15.4K over 4 weeks) showing steady growth , and 19 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Feb 3, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Sep 1, 2025.
Store info: Last updated on Google Play on Feb 12, 2026 (version 723).
Onoff Numbers was last scanned for SDKs 2026-02-03. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Veriff
PubNub
Keepsafe
Airbnb Engineering
ReactiveX
Kotlin
Jake Wharton
AppsFlyer
Google
Facebook
Firebase3.52★
Ratings: 18.4K
Screenshots
App Description
Your Second Number With An App!
What if you could get a second number in minutes, without the hassle of using a second phone or a second SIM card, but just by downloading an app? You dreamed of it, Onoff made it happen!
Download the Onoff app and get a second number in an instant!
You will want to use a second number for:
Having a separate professional line - separate your professional and personal life
Protecting your privacy when you are online - your safety is our priority
Selling goods online in total confidence - safely communicating with your potential buyers
Carrying only one phone on you - less weight in your pocket, less hassle between switching the phones
Being able to use your phone number from any smartphone and even from your web browser - we want you to have a number as flexible as your email!
Make low-cost international calls - the world is just one call away
With Onoff, you also have:
Unlimited calls and SMS
Integrated visual voicemail
Voice messages
Synchronization of all your contacts list
Possibility of porting an existing number, in order to use it in the Onoff App
An app compatible with all SIM cards to always call on the best network
Numbers from more than 30 countries available
And there’s much more!
You can follow us on:
Facebook - Linkedin - Twitter - Instagram
Do not hesitate to share your feedback and comments at support@onoffapp.com
Have a nice day with Onoff.
In the application, you can subscribe to a number or a calling plan, the prices of which vary depending on the nationality or region chosen, as well as the duration (1, 3 or 12 months). Payment will be made through your Google account after confirmation of purchase, and will be withdrawn 24 hours before the end of each billing cycle. You can deactivate automatic renewal in the settings of the Google Play after purchase, at least 24 hours before the end of the current subscription period. With your Onoff number, you can make unlimited calls throughout Europe. For communication outside of Europe, you can also purchase credits, valid for any destination!
We cannot guarantee the systematic compatibility of numbers with verification services by SMS.