Keepdaily, listed on the App Store as Steadfast Streaks, is a health and fitness application developed by 文豪 张. The app is designed for iPhone users and is available as a free download with in-app purchases, following a buy once model with no subscription fees. Its primary function is to help users track and maintain streaks for various habits or goals, focusing on consistency and routine building within the health and fitness category. The app collects certain data that may be linked to a user's identity, as well as data that is not linked to identity, for purposes described in the developer's privacy policy. The app has an age rating of 4+ years and is available in English. It has a file size of 8.4 MB and is designed specifically for iPhone, with no verified compatibility for macOS. The developer has not yet indicated which accessibility features the app supports. Typical use cases involve users setting personal streaks for activities such as exercise, meditation, or other daily habits, and monitoring their progress over time. The workflow likely includes initiating a streak, tracking daily completion, and viewing historical data to maintain motivation. Technical requirements include an iPhone running a compatible version of iOS, as the app is not verified for use on Mac computers.