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Call, text and more. Securely and simply with iO.

With iO, you can call, text and share pictures with other iO users worldwide free via the Internet. Simply and securely. Thanks to our servers, which are all located in Switzerland.

iO connects you not only to other iO users. For an attractive flat rate, you can also make unlimited calls to almost any number in Switzerland, Europe, Canada and the USA.



Download iO now