Messaging apps that use data have replaced traditional SMS messages for many people, with WhatsApp being one of the most popular. Except it’s another (albeit very small) drain on your monthly data allowance, and if you’re roaming in another country, data can be very, very expensive to obtain. Mobile network FreedomPop has come up with an answer, and its one that’ll cost you absolutely no money at all.

Yes, free. FreedomPop’s WhatsApp SIM card slots into your phone and comes with unlimited WhatsApp messages. That’s right. Send as many as you like, within reason, and you won’t get charged. That’s great, but does it mean FreedomPop’s going to sting you if you dare check your email, take a look at a website, or quickly call your friend? Nope, because the SIM also as 200MB of data, and 100 minutes of calls included each month for free as well.

Finally, FreedomPop understands its new SIM will really benefit people when traveling abroad, so it’s partnered with more than 30 international networks — including those in the U.K., France, Germany, and Italy — to make sure no roaming charges are incurred, and the messaging, data, and call package still applies. You’re not even restricted by what phone you own, and FreedomPop’s WhatsApp SIM will slip into any unlocked Android or iPhone that currently operates with a GSM network, like AT&T or T-Mobile.

Like all FreedomPop SIM cards, you’ll need to download a couple of apps for messaging and setting up data when you start, and there are other more costly plans available if you need extra data or calls each month. If not, then it really is free to use. If you have a phone that takes two SIM cards, then slipping a FreedomPop WhatsApp SIM alongside your regular card before you travel somewhere makes perfect sense.

You can order a WhatsApp SIM card through FreedomPop’s website from today.

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