The report did not specify the financial terms of the deal.
The tech giant’s plans for Emotient were not immediately clear, the Journal reported, confirming the news with an Apple spokeswoman.
Emotient’s software reads the expressions of individuals and crowds to gain insights that can be used by advertisers to assess viewer reaction or a medical practitioner to better understand signs of pain in patients.
San Diego-based Emotient had previously raised $8 million from investors including Intel Capital, the Journal said.
Last month, Tesla Motors Chief Executive Elon Musk and other prominent tech executives announced $1 billion in funding for an artificial intelligence non-profit called OpenAI.
Apple and Emotient did not immediately respond to requests for comment.
Recently, Google announced to be working on a new messaging app. The new messaging app will be smart and intelligent and leverage on Google’s artificial intelligence technology to offer chatbots that will message like a real person.
Facebook M is said to be one of the prime reasons why Google decided to the new messaging app. While leading companies like Apple, Microsoft and Google have their digital assistants, Facebook decided to play on its strength and integrate the assistant within its messaging app. Facebook leads the pack with WhatsApp and Facebook Messenger, which have billions of people connected. Moreover, M will be a hybrid backed by a team of Facebook employees with customer service backgrounds, called M trainers, who can also make travel arrangements and appointments.