Optimize your athletic performance with science-backed diagnostics. Monitor your body's readiness for training, identify optimal days for increased load, and prevent overtraining. Achieve your ambitious goals by training smarter, not just harder.




10+ similar apps compared and reviewed
Whether you want more options like Yarmill or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.




Optimize your athletic performance with science-backed diagnostics. Monitor your body's readiness for training, identify optimal days for increased load, and prevent overtraining. Achieve your ambitious goals by training smarter, not just harder.






This app uses daily morning measurements of your body's immediate condition via HRV to suggest an optimal activity level. Consistent use refines predictions, revealing long-term trends and personalized exercise recommendations.






Access your personalized training plans on your iPhone. This app is designed for users of the XPS Network to conveniently view their fitness routines and progress.


Easily convert swimming times to FINA points and back again. This tool utilizes the latest FINA base times for both short course (SCM) and long course (LCM) events. Base times are automatically updated from a central database.




This mobile training diary helps triathletes track their swim, bike, run, and gym sessions. It allows users to review their training plans and record session details, even offline. The app syncs with an online counterpart and can include coach feedback.


This application connects to your RP3 rowing ergometer via Bluetooth to provide real-time performance data. Analyze stroke rate, speed, distance, and heart rate, with in-depth force curve analysis. Program custom interval training sessions and export your workout data for further analysis.


This app works with a wearable sensor to monitor muscle oxygenation during exercise in real time. It provides athletes with data-driven guidance on training intensity and duration. The platform includes a mobile app, cloud storage, and a web-based analysis tool.


Control your red light therapy panel remotely with this app. It enhances the panel's touchscreen with additional features like a light alarm clock for a more personalized experience.


Manage your fitness membership and access gyms easily with a digital QR code. Update your details, track payments, and stay informed about exclusive offers and events.