Onoff, created in 2015 by former roller champion Taïg Khris, is a second phone number app available from any mobile
This app allows you to have up to 5 virtual phone numbers on one device without additional SIM card

The second number app is versatile and accessible:
Onoff is a success, with over 10 million virtual numbers issued to date. User satisfaction is there, 4.7/5 with more than 50,000 reviews.
Professionals love the savings, 30% average reduction on their phone bill.

One of the big advantages of Onoff is the simplicity: a new number can be activated in less than a minute. This ease, combined with the flexibility and security, explains why Onoff is becoming the solution for global communication management.
Onoff has evolved: users can now manage up to 10 virtual numbers per account, twice as much as before. The geographic coverage has also grown, more than 60 countries, including new regions in Europe, Asia and America.
One of the big advantages of Onoff is the speed of activation. The new numbers are up and running in less than 30 seconds, and that, whatever your operator. For more personalization, the app now allows you to choose the area code in several countries, including the US, UK and France.

The eSIM technology is a big step forward for Onoff. This simple and efficient feature is now compatible with more than 1,000 smartphone models, so the service is more accessible than ever.
Onoff packages include unlimited calls to mobiles and landlines in the country of the virtual number. Users also get a generous mobile data allowance, up to 20 GB per month depending on the package.
One of the big advantages of the Onoff eSIM is the international roaming, more than 180 countries, new areas in Asia and Africa.

Onoff has improved its automatic response feature. Users can now create up to 20 response templates per number, more flexibility than ever.
The responses programming has been refined, you can customize according to:
The big innovation is the dynamic variables. Responses can now include contact name, date, time and other custom fields, so every interaction is more personal and professional.

Onoff voicemail has jumped a level in 2024. The automatic transcription of voice messages now reaches 98% accuracy, so managing communications is much easier.
Unlimited storage in the secure cloud allows users to keep all their voicemail history. The ability to reply to voice messages via SMS or MMS is a big plus.
Notifications for new messages are fully customizable, with option to assign specific sound alerts, to optimize priority management.
Onoff is increasing its security. AES-256 end-to-end encryption is now applied to all communications, calls, SMS and MMS.
User accounts protection:
The big innovation is the “Burner” option, to delete a number for confidentiality reasons.
Compliance and hosting: Onoff is fully GDPR compliant, with data hosted in Europe, so your personal data is safe.

Onoff fits the needs of businesses with advanced integrations:
These features allow businesses to integrate Onoff into their existing technology stack, to optimize their workflows and communications management.

Smart call transfer allows you to set rules based on time, location or availability to manage communications better.
Conference calls now support up to 20 participants, remote meetings are easier.
The call recording with cloud backup allows to listen to important conversations again.
And finally the Do not disturb mode programmable to block calls for some periods of time, to balance work and personal life.

Onoff has improved message management:. the app now allows unlimited SMS and MMS sending and receiving from virtual numbers, for the most active users.
The big innovation is the group messaging. Users can now send messages to up to 200 recipients at once, perfect for team communications or small scale marketing campaigns.
SMS and MMS scheduling adds a new layer to communications management. Users can schedule messages to be sent in advance, to automate campaigns.
The archiving and advanced search in message history makes long term communications management much easier. This feature is loved by professionals who need to find information in old conversations.

Onoff is available on multiple platforms:
The mobile apps have great reviews, 4.8/5 on blinds. This score reflects the user satisfaction with the app stability and features.
Offline mode is very popular, users can view their call and message history even without internet.

Onoff has strengthened its business offer with Onoff Business. This solution allows to manage a centralized number for teams up to 5,000 users, for big companies.
Onoff Business features:
These features make Onoff Business a solid solution for businesses that want to manage communications better and have control over virtual numbers.
All plans have 7 days free trial, no hidden activation or cancellation fees. Businesses can get discounts starting from 10 users, making Onoff even more interesting for growing teams.
The Essential package by Onoff is for individual users looking for a simple and affordable solution. For €4.99 per month you get a virtual number with unlimited national calls and texts. Also 2GB of mobile data, perfect for moderate daily use. Visual voicemail is included, to manage your messages easily. If you need support, email support is available.
Freelancers and small businesses will love the Pro package. For €9.99 per month you get up to 3 virtual numbers, perfect to separate professional and personal life. Each number has unlimited national calls and texts, 5GB of data. Smart call transfer and call recording features to be professional wherever you are. Priority chat support to resolve your issues fast.
The Business package is designed for businesses with more complex needs. With unlimited virtual numbers and unlimited international calls/texts, it fits all company sizes. Each number has 10GB of data, enough for heavy use. Advanced features include API for custom integrations, centralized number management and detailed analytics dashboard. 24/7 dedicated support to have total peace of mind.

onOff has multiple ways to help its users to solve their issues in minutes not hours:

For those who want to use Onoff fully, training resources are available:
Business and Enterprise customers have personalized technical support:

95% satisfaction, onOff guarantees fast and quality support. This means its support and training resources are adapted to individual or business needs.
onOff is a versatile and innovative solution for virtual phone numbers. Its flexibility makes it a must-have for personal and professional communications.
The app is easy to use and numbers are activated fast. Users will love:
Despite all the good things about onOff:
onOff is great in being able to adapt to all types of users, individuals or large companies. The platform has a great balance between ease of use and advanced features, especially in terms of security and confidentiality.

Mobile professionals, entrepreneurs or businesses looking for a flexible and secure phone solution, onOff is worth a try, great value and very adaptable to the changing needs of communication.