Onoff Numbers

Your Second Number With An App!

onoff telecom · com.onoffapp.app

4.3 out of 5 (36 ratings) 1M+ downloads v6.1.7.0 293.8 MB Android 10+ PEGI 3 · Everyone

Download APK 293.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v6.1.7.0 (757)
Updated: Oct 7, 2026 (2 days ago)
APK size: 293.8 MB
Requires: Android 10+ (API 29)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Communication (app)
Listed since: Feb 26, 2015 (at least)
Permissions: 51 (14 sensitive)
Website: onoffapp.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Onoff Numbers is an app by onoff telecom in the Communication category, listed since at least February 2015. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.8.12, the APK grew from 163 MB to 293.8 MB. Since version 2.2.15.3, the minimum Android version rose from 4.0 to 10. It asks for 51 permissions, 14 of them sensitive, including camera, record audio and read contacts. It asks for the same permissions as version 6.1.6.0. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

Ratings

4.3out of 536 ratings

5 ★72%
4 ★8%
3 ★8%
2 ★3%
1 ★8%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v6.1.7.0

— New Spam Inbox: suspicious messages are now filtered automatically — Refreshed messaging experience with a new design — Improved call reliability and contact syncing — Bug fixes and performance improvements

Description

From the listing uploaded by “appupdater”.

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 [email protected] 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.

Version history

9 versions are listed, going back to v2.2.15.3. Since v6.1.7.0 it requires Android 10+.

v6.1.7.0 LATEST Oct 7, 2026 293.8 MB TRUSTED v6.1.6.0 Sep 24, 2026 291.9 MB TRUSTED v5.8.3.0 Apr 8, 2026 271.9 MB TRUSTED v5.7.0.0 Jul 27, 2026 268.9 MB TRUSTED v3.26.0.0 Aug 19, 2026 211.1 MB TRUSTED

All 9 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Oct 7, 2026.
Certificate issued to “OnOffAppOU” This is the certificate of the Google Play version.
Same certificate as the 6 other versions checked

Store checks and file details

Developer signature verified Oct 7, 2026
Validated against Google Play Oct 7, 2026
Signed byO=OnOffAppOU, L=Tallinn, ST=Harjuma, C=EE
Signing certificate (SHA-1)34:A9:62:9B:B2:9D:A0:63:74:01:5E:C2:EF:7D:4F:8F:6C:D4:5B:41
File MD501771fead2d190dd79923b77e4139248
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (6 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (51)

Onoff Numbers requests 51 permissions, 14 of them sensitive.

Access media location Sensitive android.permission.ACCESS_MEDIA_LOCATION
Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Call phone Sensitive android.permission.CALL_PHONE
Camera Sensitive android.permission.CAMERA
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Write contacts Sensitive android.permission.WRITE_CONTACTS
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access notification policy android.permission.ACCESS_NOTIFICATION_POLICY
Advertising ID com.google.android.gms.permission.AD_ID
Bluetooth android.permission.BLUETOOTH
Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
Control vibration android.permission.VIBRATE
Disable keyguard android.permission.DISABLE_KEYGUARD
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.onoffapp.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Lpa broadcast (custom) com.onoffapp.app.esimsdk.lpa.permission.BROADCAST
Manage own calls android.permission.MANAGE_OWN_CALLS
Mapsagent read app info (custom) com.samsung.android.mapsagent.permission.READ_APP_INFO
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Modify phone state android.permission.MODIFY_PHONE_STATE
Nfc android.permission.NFC
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) com.onoffapp.app.permission.C2D_MESSAGE
Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
Read privileged phone state android.permission.READ_PRIVILEGED_PHONE_STATE
Read sync settings android.permission.READ_SYNC_SETTINGS
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Reorder tasks android.permission.REORDER_TASKS
Request ignore battery optimizations android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
Things manage bluetooth (custom) com.google.android.things.permission.MANAGE_BLUETOOTH
Use component (custom) com.huawei.permission.external_app_settings.USE_COMPONENT
Use full screen intent android.permission.USE_FULL_SCREEN_INTENT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE
Write embedded subscriptions android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS
Write sync settings android.permission.WRITE_SYNC_SETTINGS

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Location android.hardware.location
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Onoff Numbers APK: questions and answers

Is there a version of Onoff Numbers for older Android phones?

The current version needs Android 10 or later. Version 5.8.3.0 is the newest listed build that installs on Android 9 and later. Get version 5.8.3.0 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Onoff Numbers free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Onoff Numbers APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 6 other versions checked. After downloading, check that the file's MD5 is 01771fead2d190dd79923b77e4139248.