Adapting the web to people

SIEN develops a range of products and virtual good services across mobile and desktop platforms.

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What we do

The core of our business isn’t about clicks—it’s about people. We pride ourselves on creating a highly customized user experience for each person.

With years of experience in app and software development, we leverage our expertise in big data to observe trends and construct rich prediction algorithms.

We gather and analyze millions of data points each month, helping us to adapt and optimize the user experience, increase conversions, and foster a long lifetime value.

About us

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Life at SIEN

312

Cups of coffee

54

Beers

2042

Lines of code

107

Nerf bullets

493 502

Downloads/Day

Our Products

UR 3D Launcher

Homescreen replacement app for Android. Completely customize your phone with 3D live wallpapers, HD images and icon packs.

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UR Mood Launcher

Intuitive homescreen replacement app that organizes your phone to work better for you. Find apps easier, personalize your phone and share your custom homescreen with friends.

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1st Browser

The first fully customizable browser. With hundreds of themes and icons, users can easily personalize the look of their browsers to reflect their personality. Using the Media Downloader feature, media can be stored within the browser for online viewing and listening!

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Yappyz

All the web's best games in one place. Find the new games online and compete against friends with this user-friendly gaming platform.

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My cute buddy

Virtual pet game for animal lovers. Adopt your own pet, watch it grow and share it with friends!

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IVIDENCE

ividence is SAAS platform that allows web and email publishers to intelligently optimize and monetize their display and email inventory. Using advanced algorithms, ividence's platform adapts to user profiles in real-time for a more personalized and effective monetization strategy.

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Management

Stephane Rocchiccioli

CTO, Co-founder

Francis Cohen

CEO, Co-founder

Marc Moulin-Roussel

CMO, Co-founder

Cosma Dinca

COO

Alexandre Grigorescu

CSO, Co-founder

Pierre Kolko

Head of Mobile/CD

We’re hiring!

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Contact Us

PAR

Paris office
20, rue Bouvier
75011 Paris, France.
Phone:+33(1) 71 18 26 50 Fax:+33(1) 71 18 26 54
Contact

BUC

Bucharest office
Str. Dionisie Lupu 64-66
Bucuresti, Romania
Phone:+40 03 16 20 15 86 s
Contact

LON

London office
48 Charlotte Street
London W1T 2NS - UK
Phone: +44 20 3585 7401 s
Contact

Contact us

Got something to say ? send us a message!

PAR

Paris office
20, rue Bouvier
75011 Paris, France.
Phone:+33(1) 71 18 26 50 Fax:+33(1) 71 18 26 54

BUH

Bucharest office
Str. Dionisie Lupu 64-66
Bucuresti, Romania
Phone:+40 03 16 20 15 86

LON

London office
48 Charlotte Street
London W1T 2NS - UK
Phone: +44 20 3585 7401
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Awards

Member of IDEES Program & BizSparktartup since 2007
Techcrunch Europe Top 100 startups
Backing our R&D efforts
Among the top 25 startup European Techtour 2009
Best Innov 2007 by Capital IT Global innovator status at INNOVATE 2007
Nominated for AlwaysOn 2010

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