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Fitness Apps

Tutorials, comparisons, and deep-dives for developers building fitness and workout applications with exercise APIs.

Tutorial Mar 26, 2026 · 8 min read

How to Build a Workout App Using a REST API

A complete step-by-step guide to fetching exercises, displaying GIF animations, filtering by body part and muscle group, and shipping a production-ready fitness app. Includes JavaScript, Python, and Swift examples.

JavaScript Python REST API Exercise GIFs
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Tutorial Comparison Guide
Tutorial Mar 26, 2026

How to Build a Workout App Using a REST API

Step-by-step guide: fetch exercises, render GIF animations, filter by body part, and ship a production-ready fitness app in under 100 lines of code.

JS Python
8 min read
Guide Mar 26, 2026

Best Free Exercise API for Developers in 2026

Comprehensive comparison of free exercise APIs. WorkoutX, ExerciseDB, Wger and more — free tier limits, data quality, and GIF support compared.

Free API Comparison
12 min read
Guide Mar 26, 2026

Top 10 Exercise Databases for Fitness Apps in 2026

Complete list of the best exercise databases for fitness app development. Compare features, pricing, API access, and data quality.

Database Comparison
15 min read
fitness_center

Browse Exercises by Body Part

Explore our full exercise database organized by muscle group. Each page includes exercise names, target muscles, equipment, and live API examples.

self_improvement Chest accessibility_new Back sports_gymnastics Shoulders fitness_center Upper Arms front_hand Lower Arms straighten Waist / Core directions_walk Upper Legs sprint Lower Legs monitor_heart Cardio person Neck

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