Video Conferencing that Goes Where You Go

Connect securely regardless of device, including standards-based SIP or H.323 (Lifesize®, Cisco®, Polycom®, Avaya® (Radvision), etc).
Multiparty call escalation*, presence, text chat, content sharing, and an invite-a-guest feature, ensure that you will never need to compromise your video conferencing experience just because you’re on a desktop or mobile device.

View the full list of features on

Signup for a free trial on or contact your IT administrator for information about your organization’s video infrastructure.

NOTE: Lifesize® ClearSea™ client can be used with Lifesize ClearSea server or Lifesize® UVC ClearSea™ server. Feature set may vary depending on the product.

*when deployed with Lifesize® UVC Multipoint™

What's New

Version 8.2.13

Bug fixes

Ratings and Reviews


Stable and Reliable App

We rely on the ClearSea UVC platform installed in our secure cloud to operate and manage our video services.

In two years of heavy use we have never had a software failure or customer complaint about this softphone app not working as intended.

Our installation required regulatory compliance with HIPAA regulations and careful consideration was given to other vendors before choosing LifeSize ClearSea for our site installation.


Ripoff Copy of LifeSize Cloud

Go look at the screenshots of LifeSize Cloud. Straight rip copy of it. Might work with other video conference systems other than LifeSize, but everything else about the app is an exact copy.

I guess Logitech is OK with apps from all their sub-companies looking the same but pretending they're different. 👎


Does not work with iOS 11

Developer needs to update to iOS 11. Currently my app will not work.


Mirial S.u.r.l.
16 MB
Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German, Italian, Japanese, Korean, Russian, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
Rated 4+
© 2013 Logitech Mirial s.u.r.l.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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