iO App

Note: The iO service ends on 31.8.2017
Performance improvements and numerous fixes
iO status:
You can find service updates on known technical issues and maintenance work here: https://io.swisscom.ch/status

New emoji as well as support for skin tone selection coming to iO. Have a look!
iO for Windows 10:
Use iO on your PC with our new beta desktop app found in the Windows Store - https://io.swisscom.ch/download
We thank all users for their valuable feedback. We are working everyday to make the communication with iO and its user experience even better.

3.5.1: Performance improvements and numerous fixes
3.5: We have added support for HD Voice to enhance call quality towards Swiss fixed and mobile networks (iO Out).This will be enabled at a later time.
We thank all users for their valuable feedback. We are working everyday to make the communication with iO and its user experience even better.

We have added support for HD Voice to enhance call quality towards Swiss fixed and mobile networks (iO Out)
Performance improvements and numerous fixes
We thank all users for their valuable feedback. We are working everyday to make the communication with iO and its user experience even better.

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

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*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 100 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only

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

A single app for all your communications:
- Free phoning and texting to other iO users
- Unlimited chatting with other iO users
- Invite up to 50 friends to a group chat
- Sharing of pictures, videos, locations, contacts and more with other iO users

Make «iO Out» calls free of charge:
- Call practically any number in Switzerland, Europe, Canada or the United States *
- Texting to all of your worldwide contacts who don’t yet have iO *

Call Switzerland free of charge:
- Unlimited phone calls to the Swiss fixed and mobile network – even from abroad *

Protect your privacy:
- No use is made of your personal address book
- Communication is secure and encrypted
- All sensitive data remain in Switzerland

Note:
- To use iO, you need to have an Internet connection via WLAN or a mobile data network (3G/LTE).
- The Internet connection is not included and usage may incur additional costs.
- An Internet connection via a mobile data network (2G/3G) may result in impaired voice quality, especially at train stations, on trains or in cars.

*) For Swisscom customers only