Our Products

slyText

slyText

Send texts, photos, audio and video to phone numbers from the web.

Learn More
slyFone

Slyfone

Your global mobile number.

Slyfone provides every user with a personal mobile number to activate and use WhatsApp and other services.

Learn More
slyDial slyDial

slydial

Connect your call directy to someone's voicemail-box & leave a message.

Learn More
slyBroadcast

slybroadcast

Send pre-recorded audio messages directly to the voicemails of thousands of phone numbers at one time. Ringless voicemail personalized.

Learn More

Private communications guaranteed over any app. SLYGuard protects your privacy in an easy to use app. Use your favorite messaging app and SLYGUARD will protect your communication.

SLYGuard
Learn More
riffr
riffr

Riffr

Share micro-podcasts with your followers and listen to others'. The social network powered by audio.

Learn More

Some of our Customers

Who We Are

History

Founded in 2015, MobileSphere is a pioneer in mobile communication and software. The company is the invetro and patent holder of Ringless voicemail. MobileSphere launched Slydial the popular direct to voice mail app.

Since then we have continued to innovate with our range of patented mobile communications products: slybroadcast, slyText & Slyfone. In early 2022, the company SLYGUARD the only platform to protect the privacy and secure WhatsApp and other messaging apps.

The company's core belief is that software is the engine that will power mobile communication.

Our Values

Innovation

Innovation

Our track record of inventions, including patented ringless voicemail, speaks for itself.

Creativity

Creativity

We combine out of the box thinking with dedication and hard work to achieve unique results.

User Experience

User Experience

We deliver best-in-class user experience by listening to & acting on feedback.

Latest News

"

Why a Boston company wants to encrypt your WhatsApp messages

BostInno, November 18 2021

Read
"

Riffr, an Audio Social Media Platform, Announces Launch

PR News, March 5 2019

Read
"

Make-A-Wish© Arizona Uses slybroadcast to Allow Wish ...

PR News, June 22 2018

Read