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Download Onoff Numbers 4.2.1.0 APK
Target: Android 14 (API 34)
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What's new in Onoff Numbers 4.2.1.0
Major UI update: components redesigned according to new visual style guidelines. Enhanced global contact and item search functionality.
Optimized audio channels for calls: fixed sound issues occurring when Linphone audio channel loses focus.
Implemented new native media picker for image selection.
Switched to Roboto font globally across the app.
Various improvements and bug fixes.
About Onoff Numbers 4.2.1.0
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!
Premium
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 Payment will be made through your Google account after confirmation of purchase, and will be withdrawn 24 hours before the end of each billing cycle.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.
Onoff Numbers 4.2.1.0 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:5.7.0.0(719) for Android 8.0+ (Oreo, API 26)
Uploaded:December 8, 2025 at 8:30AM UTC
File size:238.40 MB
Downloads:16
Version:5.6.5.0(717) for Android 8.0+ (Oreo, API 26)
Uploaded:November 7, 2025 at 10:51AM UTC
File size:268.14 MB
Downloads:12
Version:5.6.4.0(716) for Android 8.0+ (Oreo, API 26)
Uploaded:November 3, 2025 at 1:12PM UTC
File size:238.31 MB
Downloads:4
Version:5.6.3.0(715) for Android 8.0+ (Oreo, API 26)
Uploaded:October 31, 2025 at 10:28AM UTC
File size:268.36 MB
Downloads:8
Version:5.5.0.0(711) for Android 8.0+ (Oreo, API 26)
Uploaded:October 15, 2025 at 8:45AM UTC
File size:267.05 MB
Downloads:8
Version:5.4.2.0(708) for Android 8.0+ (Oreo, API 26)
Uploaded:September 19, 2025 at 2:03PM UTC
File size:236.62 MB
Downloads:7
Version:5.3.1.0(703) for Android 8.0+ (Oreo, API 26)
Uploaded:August 26, 2025 at 9:17AM UTC
File size:236.67 MB
Downloads:13
Version:5.3.0.0(701) for Android 8.0+ (Oreo, API 26)
Uploaded:July 10, 2025 at 10:33AM UTC
File size:263.47 MB
Downloads:12
Version:5.2.4.0(699) for Android 8.0+ (Oreo, API 26)
Uploaded:June 11, 2025 at 10:43AM UTC
File size:233.64 MB
Downloads:14
Version:5.2.3.0(698) for Android 8.0+ (Oreo, API 26)
Uploaded:May 30, 2025 at 12:55PM UTC
File size:233.63 MB
Downloads:27
Version:5.9.7.0
Uploaded:May 28, 2026 at 12:28PM UTC
File size:276.29 MB
Downloads:32
Version:5.9.6.0
Uploaded:April 28, 2026 at 9:54AM UTC
File size:276.26 MB
Downloads:7
Version:5.9.5.0
Uploaded:April 17, 2026 at 8:05AM UTC
File size:240.92 MB
Downloads:7
Version:5.9.4.0
Uploaded:April 2, 2026 at 12:43PM UTC
File size:240.92 MB
Downloads:8
Version:5.9.3.0
Uploaded:April 2, 2026 at 8:16AM UTC
File size:240.92 MB
Downloads:12
Version:5.9.1.0
Uploaded:March 20, 2026 at 10:55AM UTC
File size:240.92 MB
Downloads:6
Version:5.8.3.0
Uploaded:February 13, 2026 at 10:44AM UTC
File size:239.49 MB
Downloads:6
Version:5.7.0.0
Uploaded:December 8, 2025 at 8:30AM UTC
File size:238.40 MB
Downloads:16
Version:5.6.5.0
Uploaded:November 7, 2025 at 10:51AM UTC
File size:268.14 MB
Downloads:12
Version:5.6.4.0
Uploaded:November 3, 2025 at 1:12PM UTC
File size:238.31 MB
Downloads:4
