New Apple Watch App Revolutionizes Athlete Training with Comprehensive Metrics and Tailored Guidance
September 17, 2025
A new Apple Watch app is being developed to provide users with comprehensive training data, including metrics like training load, recovery, heart rate, and sleep, to support performance improvement.
This app will emphasize guidance on when to push or hold back, based on data from Apple Watch, and will feature a dedicated interface for easy access to relevant training metrics directly from the wrist.
The app is exclusive to iOS 26 and will later include an Apple Watch version, with a free download and multiple subscription options to cater to different user needs.
Alongside the new app, updates to Gentler Streak include a complete interface overhaul aligned with iOS 26's visual language, featuring a redesigned profile, activity path picker, and quicker access to wellness data.
Gentler Stories, the parent company, has launched The Outsiders, a new fitness app targeting serious athletes who follow structured, intense training routines, contrasting with Gentler Streak's gentle, inclusive approach.
The Outsiders offers detailed performance metrics, supports subscription-based premium features, and is designed for performance-driven athletes, with upcoming features like cycling power zones and efficiency factors.
Available on the App Store, The Outsiders supports Apple's Liquid Glass UI, provides detailed metrics, and plans future updates to include advanced features for cyclists and runners.
The app includes a comprehensive Workout tab, a Progress section for training specifics, heart rate analysis, and a calendar to monitor training intensity and recovery.
Features include detailed workout analysis, route tracking, and tailored training guidance based on various training philosophies like polarized, pyramid, or threshold approaches.
The main interface features a 'Today' screen with a Training Readiness score derived from training load, body metrics, and sleep quality, helping users optimize daily effort.
This Training Readiness score guides athletes on when to push or rest, supported by a main interface with a progress tab, training history calendar, and workout log.
The Outsiders is free to download, but a subscription is required to unlock all features, with limited functionality available for free.
Summary based on 3 sources
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Sources

9to5Mac • Sep 15, 2025
The Outsiders is a beautiful new high-performance exercise app - 9to5Mac
BGR • Sep 17, 2025
The Outsiders Is A New Fitness Tracker On iOS For Serious Athletes
Bangla news • Sep 17, 2025
iOS Fitness Tracker Targets Serious Athletes