Yahoo's app spending spree continued Thursday with the acquisition of to-do app Astrid.
The to-do-list and task management app "will continue to work as is" for the next 90 days but will not accept new premium subscriptions, Astrid CEO Jon Paris said in a company blog post announcing the acquisition. Terms of the acquisition were not revealed.
"To make future changes as easy as possible, we'll be in touch with users shortly to share how to download data," Paris wrote in the blog, adding that Yahoo would issue refunds to eligible users who have paid for annual subscriptions, Power-Pack, and Locale Plugins.
Yahoo confirmed the acquisition in a statement to CNET.
"We're excited to welcome Astrid to Yahoo!'s mobile team," the statement said. "Their background in personalized mobile experiences is impressive, and we know they will be a huge asset to as we continue to re-imagine our products."
Yahoo CEO Marissa Mayer has said several times that she believes mobile is vital to the company's future. It could pave the way for Yahoo to use search and personalization in new ways and take advantage of a formidable stock of daily content.
Yahoo made a splash in March when it reportedlyfor Summly -- an app that identifies relevant information in news articles and turns them into neat paragraphs that fit on an iPhone screen. In February, , a mobile app that allows users to recommend bars, restaurants, and shops that are considered favorites and are nearby or similar to other venues.