our products


Slybroadcast enables users to broadcast audio messages straight to the voice mailbox of thousands of mobile phones, at once. An API for this patented voice messaging platform is available.


slydial is a voice messaging service that enables consumers to connect directly to someone’s mobile voicemail… pretty sly huh?


Joopz is a web-based text messaging service that enables two-way communications from the Web to any mobile phone in the U.S… and back!


CellularLD enables wireless carriers and MVNOs to provision and market MobileSphere’s highly cost-effective, carrier-grade solution for wireless international long distance.

About MobileSPhere

MobileSphere focuses on providing mobile communications and mobile messaging solutions to enterprises, non-profit organizations, and consumers. Founded in 2003, MobileSphere pioneered the wireless international long distance market with its CellularLD solution, enabling U.S. consumers to place low-cost overseas calls from a mobile phone. Shortly thereafter, MobileSphere began partnering with major universities, enterprises and wireless carriers to develop and launch tailored international calling solutions for mobile subscribers. In 2006, MobileSphere entered the messaging market with Joopz, the industry’s first two-way Web-to-mobile text messaging service enabling interactive, real-time communications from the Web to mobile phones. In 2009, MobileSphere entered the voice messaging market with slydial, a new patent-pending voice messaging solution that enables consumers to connect directly to another person’s mobile voice mail. In 2014, Slybroadcast Voice Messaging was created which allows for one audio messages to be delivered directly to the voice mailbox of thousands of mobile phones with our patented voice mail delivery technology.

MaryKay Uber eharmony Princton Univeristy KW


MobileSphere is always working to create and market innovative new products, and improve our existing ones
MobileSphere is proud to have been the first in many areas: first to launch a web to phone messaging platform, and the first to launch direct to voice mail service.
Innovation without creativity is a half-backed cake. True innovation requires a combination of out of the box thinking with dedication and hard work.
user  experience
user experience
At MobileSphere we always strive to make the user experience of our services the best possible. Simplicity is hard to achieve. Our users feedback is preeminent.

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