Set forth below is a brief description of our core applications for users.
• Clean Master, which is a junk file cleaning, memory boosting and privacy protection application, had 237.3 million installations as of March 31, 2014, and 139.9 million monthly active users and 72.9 million average daily active users in March 2014. See “Conventions Which Apply To This Prospectus” for the definition of “average daily active users.” According to App Annie Limited, or App Annie, an app store analytics and market intelligence provider, Clean Master was the No.1 application in the Tools category on Google Play by worldwide monthly downloads in March 2014. It was also the No. 3 mobile utility application in China in terms of monthly active users in February 2014, according to iResearch, a third party market research firm.
• CM Security, which is an anti-virus and security application for mobile devices on the Android platform, had 25.6 million installations as of March 31, 2014, and 23.0 million monthly active users and 11.5 million daily active users in March 2014. According to App Annie, CM Security was the No. 2 application in the Tools category on Google Play by worldwide monthly downloads in March 2014.
• Battery Doctor, which is a power optimization application, had 201.7 million installations as of March 31, 2014, and 58.6 million monthly active users and 26.2 million average daily active users in March 2014. It was the fifth most downloaded productivity application on Google Play in March 2014, according to App Annie. It was also the No. 1 mobile utility application in China in terms of monthly active users in February 2014, according to iResearch.
• Duba Anti-virus, which is an internet security application, had 124.1 million monthly active users and 48.4 million average daily active users in February 2014. We are the second largest provider of internet security applications in China in terms of monthly active users in February 2014, according to iUser Tracker of iResearch.
• Cheetah Browser, which is our safe internet browser launched in June 2012 for PCs and June 2013 for mobile devices, had 46.3 million monthly active users and 15.6 million average daily active users in February 2014.
• Photo Grid, which is a popular photo collage application, had 62.7 million installations as of March 31, 2014, and 25.2 million monthly active users and 3.3 million average daily active users in March 31, 2014. It ranked No. 1 in the Photography category on Google Play by monthly downloads in the United States in March 2014, according to App Annie.
For our business partners, our platform provides them multiple user traffic entry points and global content distribution channels capable of delivering targeted content to hundreds of millions of people. Our business partners share revenues with us and promote our products and services. We have benefited significantly from our cooperation with over 380 online marketing business partners in 2013, including major Chinese internet companies Alibaba, Baidu and Tencent.
Set forth below is a brief description of our core platform products for business partners.
• Duba.com personal start page, which aggregates popular online resources and provides users quick access to most of their online destinations, had 51.7 million monthly active users in February 2014, according to iResearch.
• Cheetah personalized recommendation engine, which recommends targeted content and services for users of our Cheetah Browser, had 46.3 million monthly active users in February 2014.
• Game centers, through which we have published over 570 games as of March 31, 2014.
• Mobile app stores, which include our Mobile Assistant application stores in China and other in-app application stores, have offered approximately one million third party mobile applications as of March 31, 2014.
• Kingmobi mobile advertising network, which helps advertisers effectively reach their target audience through our mobile applications.
Our proprietary cloud-based data analytics engines are the core of our platform. For our users, the data analytics engines perform real time analysis of mobile applications, program files and websites on their devices for behavior that may impair system performance or impose security risks. For our business partners, the data analytics engines help create user interest graphs according to a number of dimensions such as online shopping, gaming and frequently used applications, thus facilitating targeted content delivery.
Although substantially all of our applications are free to our users, our massive user base has created ample monetization opportunities for us and our business partners. We generate revenues from our online marketing services by referring traffic from our platform to e-commerce companies and search engine providers and by selling advertisements. We generated 73.8% and 81.7% of our revenues from online marketing services in 2012 and 2013, respectively. We also generate revenues by providing internet value-added services, or IVAS, currently mainly from online games.
We have achieved significant growth in recent years. Our revenues increased from RMB140.1 million in 2011 to RMB287.9 million in 2012, representing a 105.6% growth, and to RMB749.9 million (US$123.9 million) in 2013, representing a 160.5% growth. Our net income was RMB62.0 million (US$10.2 million) in 2013, a 530.0% increase over our net income of RMB9.8 million in 2012, compared to a net loss of RMB30.2 million in 2011.
