MILAN, Feb. 25, 2015 /PRNewswire/ —

By popular demand of users, WhatSim – the first SIM designed to connect the world’s most popular messaging system even in the absence of Wi-Fi – is growing and evolving into ChatSim,  the only SIM that lets users chat anywhere, with all messaging systems in the world: QQ, WhatsApp, Facebook, Messenger, WeChat, Skype, Viber, LINE, KakaoTalk, Telegram, Snapchat, Twitter, Hangouts, iMessage and all other apps for smartphones and tablets. 

WhatSim hits it big and becomes ChatSim, the world’s first SIM that lets users chat for free and without limits with all the instant messaging apps used by over 3 billion active users every day. ChatSim makes this possible even without Wi-Fi. The SIM – invented by Manuel Zanella (38 years old), founder and CEO of Zeromobile ( – is available in the online store at and from March its distribution will be launched in several countries, starting from Italy. Deliveries for those who have ordered a SIM will start, as promised, on February 26th. 


Introduced on January 21, 2015, WhatSim is the first SIM designed to connect the world’s most popular messaging systems without Wi-Fi. The news of its debut is spreading around the world.

By popular demand, the SIM is growing and expanding into ChatSim, the world’sfirst instant messaging SIM. ChatSim is the only SIM that gives users the freedom to chat anywhere, with all messaging systems and apps available for smartphones and tablets. 

ChatSim is designed especially for those who travel often around the world. With worldwide data connection, ChatSim costs just EUR10 and – after this initial expense – allows users chat for free with anyone, anywhere in the world, for a year.

To achieve maximum coverage and the best conditions, Zanella has created two SIMs: ChatSim and ChatSim Plus. These differ in the number of countries covered. Users have only to choose the SIM that covers the countries in which they are interested.

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