Onoff Numbers
Onoff Numbers Summary
Onoff Numbers is a free, with in-app purchases iOS app in Tools by ONOFFAPP. Released in Feb 2015 (11 years ago). It has 34K ratings with a 4.66★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 92K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated Jul 1, 2026
SDK intelligence: AppGoblin detected 3 analytics: attribution(e.g. Tenjin), 2 development tools,and 1 business tools integrated into Onoff Numbers. View full SDK list →
Onoff Numbers SDKs Summary
Onoff Numbers was last scanned for SDKs on 2026-07-29. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Veriff
Airbnb Engineering
Sentry.io
Tenjin
AppsFlyer
Branch4.66★
Ratings: 34K
Screenshots
App Description
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!
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:
-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
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 Payment will be made through your iTunes account after confirmation of purchase, and will be withdrawn 24 hours before the end of each billing cycle.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 App Store 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!
Any demonstration product offered within promotions will be automatically terminated upon first purchase. We cannot guarantee the systematic compatibility of numbers with verification services by SMS. Onoff: several numbers in one application, without changing the SIM card!
See https://www.onoff.app/en/privacy-policy for the Privacy Policy.
Onoff app Terms and Conditions can be found at https://www.onoff.app/en/terms-conditions/