This app helps athletes and coaches plan, execute, and analyze blood lactate tests for running and cycling. It streamlines the process of finding an athlete's lactate inflection point, a key metric for endurance performance.






8+ similar apps compared and reviewed
Whether you want more options like reThrive or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.












This app helps athletes and coaches plan, execute, and analyze blood lactate tests for running and cycling. It streamlines the process of finding an athlete's lactate inflection point, a key metric for endurance performance.


Engage in interactive shadow boxing and Muay Thai training with voice commands and real-time feedback. This app offers progressive workouts for all skill levels, focusing on technique, timing, and cardio development without requiring any equipment.




Transform your Apple Watch data into a comprehensive health dashboard. This app unifies key metrics like heart rate, temperature, and blood glucose for science-backed daily insights. Optimize your fitness and wellbeing with advanced analytics and personalized readiness scores.


Understand your aging process and take science-backed steps to improve it. This app provides a personalized biological age score, AI longevity coaching, and structured 21-day plans with daily goals to help you build sustainable healthy habits.


Easily log strength workouts and track your progress with over 150 exercises. Features include custom templates, a plate calculator, and set timers. Supports iCloud backup and Apple Watch control.