Question: I need a fitness tool that estimates my strength and speed abilities to help me track my progress.

One good option is Ardor, a personalized workout program that uses AI to generate workouts tailored to your fitness goals, schedule and available equipment. It can also estimate your strength and speed abilities so it can generate workouts that challenge you but aren't too hard. You can follow and share workouts with friends and try it with a free trial subscription that costs $5.99 per month and up.

Another good option is Fitbod, an AI-powered workout planner that combines data-driven workouts and personalization to track strength gains and your ability to lift weights. It's got more than 1,000 exercises, videos showing how to do them, and progress tracking to keep you from overdoing it. Fitbod offers customized workouts and coaching from certified trainers, so it's a good option if you're looking for a longer-term fitness program.

If you're more into weightlifting, FitnessAI could be the way to go. It optimizes your weightlifting plans based on data from millions of workouts, helping you lift an average of 20% more weight. It also tracks your progress and offers workout recommendations, so it's a good alternative to a personal trainer. It's for iPhone devices and is a good way to get to your fitness goal without a lot of fuss.