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Google Fi application is an excellent MVNO telecommunications service from Google. It is primarily for US residents. The service is publicly open in March 2016. In this Google Fi app, you can use unlimited data by paying a monthly price or you can only pay for the amount of data you have used.
With this Google Fi app, you get unlimited calls and the opportunity to text. Also, you can call around 200+ destinations without any extra charge.
About subscription cost
For unlimited calls and messages you have to pay $20 per month and for a customizable data allowance, you have to pay an extra $10 per gigabyte. Monthly unused data will be credited back to your Google Fi application account.
Features of Google Fi
You must use this Google Fi app on your Android device for unlimited calls and texting. You need to sign up for Google Fi with your Gmail account before using the app on your mobile phone.
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HappyMod
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