OnOff : Full Review, Testing, and Presentation (2024)

Full review of OnOff

OnOff is a virtual number app that allows you to add a second number to your phone, making it easy and secure to manage calls and messages.

TRY NOW OnOff ★★★★☆
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Free Version 🏆

Free Trial 🏆

Paid Version Only 🏆

4.7

/5 | 67 reviews ⭐️

Starting from

4.99

$

/month 💰

France (Boulogne-Billancourt)

What is Onoff?

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

screenshot of onoff second number mobile application

The second number app is versatile and accessible:

  • Available in more than 30 countries, perfect for travelers who need a personal or business number
  • Voicemail with automatic transcription
  • Unlimited calls and texts depending on the subscription
  • No second sim card required
  • App available on App Store and Google Play

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.

World map of countries available for Onoff

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 features

1. Manage multiple phone numbers

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.

2. Virtual SIM card (eSIM)

portability of Onoff

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.

3. Customize automatic responses

Sending SMS via Onoff

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:

  • Specific time slots
  • Specific days of the week
  • Type of contact or communication

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.

4. Visual voicemail

on mode and off mode for privacy

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.

5. Security and confidentiality

Onoff is increasing its security. AES-256 end-to-end encryption is now applied to all communications, calls, SMS and MMS.

User accounts protection:

  • 2FA (two-factor authentication)
  • Advanced password 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.

6. Integrations

Onoff integrations

Onoff fits the needs of businesses with advanced integrations:

  1. REST API to connect to Main CRMs quickly
  2. Native connectors for Salesforce, HubSpot, Zendesk
  3. Customizable webhooks for automation
  4. Detailed analytics dashboards

These features allow businesses to integrate Onoff into their existing technology stack, to optimize their workflows and communications management.

7. Advanced calling features

screenshot of OnOff features

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.

8. SMS and MMS management

Send SMS to multiple recipients

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.

9. Mobile and desktop app

Screenshot showing the interface of the Onoff application on Play Store for Android smartphones

Onoff is available on multiple platforms:

  • Native apps for iOS and Android
  • Desktop apps for Windows and macOS
  • Real-time sync between all devices
  • Offline mode to view history

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.

10. Onoff Business

calls from the onoff webapp

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:

  1. Real-time number assignment and revocation
  2. Detailed usage and performance reports
  3. Dedicated support under 2 hours response time
  4. Premium support for business specific needs

These features make Onoff Business a solid solution for businesses that want to manage communications better and have control over virtual numbers.

Onoff pricing

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.

Essential (€4.99/month) For individuals

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.

Pro (€9.99/month) Freelance professionals

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.

Business (€19.99/user/month) Growing Businesses

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.

Support and help

Multiple support channels

onoff online chat

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

  • 24/7 live chat: Available for Pro and Business customers, this live chat answers urgent questions immediately. Users get help in real time, no waiting time.
  • Email support: Email support is very fast, 4 business hours on average. Ideal for users who don’t need immediate help but want quick feedback.
  • Phone support: For Business customers only, Monday to Friday, 9am to 6pm. For businesses that need to talk to an expert in case of complex issues.
  • Knowledge base: Over 200 in-depth articles for the most common questions. Users can access it anytime to fix the most common issues they encounter.

Training

onoff help center

For those who want to use Onoff fully, training resources are available:

  • Help Center: This center has guides and videos to learn gradually and thoroughly the tools. Users can discover all the features in a few steps.
  • Interactive FAQ: To find the answers to the most common questions, thanks to a keyword search. The interface is intuitive so it’s easy to find information.
  • Monthly webinars: Each month onOff organizes online training sessions, open to everyone. These webinars cover advanced topics and tips to use the platform better.
  • Community : A community platform where users can ask questions, share tips and experiences. The Onoff team moderates this forum so you get accurate and helpful answers.

Technical support

Business and Enterprise customers have personalized technical support:

  • Technical team: For complex issues, this team follows up on technical issues in person. So you can minimize downtime and operate continuously.
  • Remote diagnosis: In case of major technical issues, onOff offers remote interventions to get back to business asap.
  • Personal Account Manager: Enterprise customers have a dedicated account manager who follows up regularly and provides personalized help. This manager is your privileged contact, who anticipates your specific needs.
  • Customized training: For Business and Enterprise customer teams, onOff offers customized training to optimize the use of the features, tailored to each company’s needs.

Customer satisfaction

avis trustpilot de Onoff Business

95% satisfaction, onOff guarantees fast and quality support. This means its support and training resources are adapted to individual or business needs.

Conclusion

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:

  • Visual voicemail
  • End-to-end encryption
  • Price flexibility for different profiles
  • Robust business integrations for businesses
  • Options to get a number for your business, online sales, your remote teams in a few clicks, parental control or even for Digital Nomads.

Despite all the good things about onOff:

  • 5 virtual numbers per account may be too limited
  • Desktop app should be better than mobile app
  • Entry plans have mobile data limitations

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.

Onoff registration

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.

photo stephen mesnildrey
Stephen MESNILDREY
Digital & MarTech Innovator

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