Financial news website Calcalist said Facebook had agreed to pay between $150m and $200m for the three-year-old company, which is backed by Sequoia Capital, Magma Venture Partners, Horizons Ventures and Motorola Mobility Ventures.
The company makes data-tracking apps which aim to help people better understand their usage of devices.
Last week a trio of venture capital funds backed a $10m financing round for Refresh, a mobile app which provides an instant information dossier on people.
Redpoint Ventures, Charles River Ventures and Foundation Capital all took part in the round for the 18-month-old company.
The app aims to help give users bullet point data to use in conversations with their target person, such as their hobbies, friendships and recent blog posts.
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