A single app for all your communications

Communicate using a single app. Phone, chat, send pictures or videos and much more.

Make free unlimited phone calls to the Swiss fixed and mobile network – even from abroad.

Get more out of your landline. With iO@home, you can be reached anytime, anywhere in the world.

Your privacy is protected, thanks to secure data storage on Swisscom servers in Switzerland.

Do you enjoy experimenting?

Register for the iO beta program now

Do you want to use the latest functions of iO on an ongoing basis and always be at the forefront of development? Are you used to corresponding in English and willing to test new functionalities and give us feedback?

For the further development of the iO success story, we are seeking additional beta testers who are not afraid to give us constructive feedback, even if things are not going well.

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You can call practically any number in Switzerland, Europe, Canada or the United States at an attractive flat rate (or for free in the case of some Swisscom customers).

  • Attractive monthly flat rates for unlimited phone calls to persons without iO.
  • Texting to all of your worldwide contacts who don’t yet have iO.

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With iO, incoming calls to your Swisscom fixed-line number ring simultaneously on your home phone and in the iO app on your iPad.

  • You can be reached on your fixed-line number anywhere in the world.
  • You can make unlimited phone calls to the Swiss and mobile network, also from abroad.

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With iO, chats and conversations are encrypted and the data remain securely stored in Switzerland. Your privacy is protected!

  • No use is made of your personal address book
  • Communication is secure and encrypted
  • All sensitive data remain in Switzerland

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