【實用通訊app】iO|最夯免費app

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

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