FreedomPop, a data-only carrier attempting to make the freemium model work for mobile service, plans to add voice calls and texts to its free 4G data plan. The service will arrive first on select Android devices this summer:

FreedomPop, today announced the first-ever completely free mobile service with free voice, free text and free data. FreedomPop’s ground breaking service will give users a guaranteed 500 MBs of 4G data for free, unlimited texting, and 200 free anytime voice minutes each month. In addition, FreedomPop users will enjoy free unlimited calls to each other. The FreedomPop service will be available on several popular Android phones later this summer and will be the first-ever all-data devices running 100 percent VoIP over cellular networks.

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