The best workout builder apps on iPhone average 4.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Design personalized fitness routines on your iPhone, then seamlessly transfer them to your Apple Watch. Supports a wide range of activities from running and cycling to yoga and strength training, with options for simple goals, advanced intervals, and paced efforts.
This app creates personalized AI-driven workout plans to help you build muscle, gain strength, and lose weight. It adapts to your fitness level and available equipment, offering over 1000 exercises with video guides. Track your progress and get support from trainers.
This app helps you track your workouts and progress with an intuitive interface. It offers a wide range of exercises, detailed instructions, and advanced statistics to help you achieve your fitness goals. Easily log your routines, monitor personal records, and stay motivated on your fitness journey.
What are the best workout builder apps for iPhone?
Workout Builder: Send to Watch tops our workout builder apps ranking as of May 2026, with a 4.3-star average from 20 App Store ratings, and it's free to download.
Are there free workout builder apps for iPhone?
Yes — 20 of the top workout builder apps we rank are free to download, including Workout Builder: Send to Watch and Fitbod: Gym & Fitness Planner.
Does Workout Builder: Send to Watch have ads or in-app purchases?
Workout Builder: Send to Watch has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
How many workout builder apps are on the App Store?
We track 249+ workout builder apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
What does Workout Builder do?
Workout Builder allows you to design custom workout routines directly on your iPhone. These personalized workouts can then be sent to your Apple Watch for tracking during your exercise sessions. It supports a broad spectrum of sports and training types.
What types of workouts can I create?
You can create several types of workouts, including simple goal-based routines (time, distance, energy burn), advanced interval workouts with multiple sets and rest periods, and paced workouts for specific time and distance targets. It accommodates activities like running, cycling, swimming, yoga, HIIT, strength training, boxing, and skipping.