The mobile messaging company.
Our Products
slyText
Send texts, photos, audio and video to phone numbers from the web.
Slyfone
Your global mobile number.
Slyfone provides every user with a personal mobile number to activate and use WhatsApp and other services.
slydial
Connect your call directy to someone's voicemail-box & leave a message.
slybroadcast
Send pre-recorded audio messages directly to the voicemails of thousands of phone numbers at one time. Ringless voicemail personalized.
Riffr
Share micro-podcasts with your followers and listen to others'. The social network powered by audio.
Private communications guaranteed over any app. SLYGuard protects your privacy in an easy to use app.
Some of our Customers
Who We Are
History
Founded in 2003, MobileSphere is a pioneer in mobile communication and software. In 2004 The company launched CellularLD -- among the first VoIP over mobile service -- targeting MVNOs and end-users. In 2008 MobileSphere launched slydial, its patented ringless voicemail technology.
Since then we have continued to innovate with our range of patented mobile communications products: slybroadcast, slyText & Slyfone. In 2020, we launched Riffr - a social (micro) podcast platform.
The company's core belief is that software is the engine that will power mobile communication.
Our Values
Innovation
Our track record of inventions, including patented ringless voicemail, speaks for itself.
Creativity
We combine out of the box thinking with dedication and hard work to achieve unique results.
User Experience
We deliver best-in-class user experience by listening to & acting on feedback.