Netkeiba ネットケイバ is an all-in-one horse racing app that provides users with a wide range of features. The app offers up-to-date horse racing news, racecards, odds, race results, and payouts, as well as data on jockeys, trainers, owners, and breeders. The app also includes a live streaming feature for local horse racing events and allows users to register up to 30 favorite horses.

One of the app's most highlighted features is the "ウマい馬券" service, which provides users with expert predictions from popular handicappers such as Keisuke Kamei, Toshiaki Inoue, and Ryuichi Okuda. However, to access this service, users need to purchase "prediction points" that cost between 160 and 300 points per race. The app also offers a premium subscription service that provides users with access to additional features such as the smartphone racing newspaper, JRA race videos, and netkeibaTV.

Overall, netkeiba ネットケイバ is a comprehensive app for horse racing enthusiasts that provides a wealth of information and features in one place. However, some of the app's features require additional purchases or subscriptions, which may not be suitable for all users.