アプRIN is the official app for Keirin Racing, developed by Japan KEIRIN Promoters Organization. This Android app is specially designed for those who love Keirin Racing and want to keep up with the latest news and events. With this app, you can view the contents of the Cycle Telephone Center (CTC) website, including information on upcoming races and news. You can also receive push notifications for the latest news and campaigns, which can be disabled through the app's settings.

In addition to these features, the app also includes a GPS function that allows you to record your visits to Keirin Racing tracks. You can also view the leaflets for upcoming races and enjoy the SNS pages of Keirin Racing tracks across the country. Some of the contents are only available to Internet voting members, and please note that this app does not allow voting for Keirin Racing.