iO – Free phone calls and chats

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 * - You can be reached on your fixed-line number anywhere in the world (only available on iPad) * - 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