Best G21 alternatives: apps like G21

8+ similar apps compared and reviewed

4.3 avg rating

8 free apps

Updated October 2026

Gravity 21 Fort Lauderdale, LLC

Looking for something like G21? We've analyzed 8+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to G21

The Heart by The Heart Yoga Studio, LLC

Editor's Choice

💪 Health & Fitness

0.0(0 ratings)

Free

Powerhouse Gym SoFlo by PGMIA LLC

Strong Contender

💪 Health & Fitness

0.0(0 ratings)

Free

YOGITHOT Studio by Yogithot LLC

Yoga, Yogilates + More!

Worth Considering

💪 Health & Fitness

5.0(115 ratings)

Free

Discover and book yoga and yogilates classes with ease. Browse schedules, filter by class type, and manage your reservations to stay committed to your fitness journey. Purchase class packs and memberships directly within the app.

More apps like G21

Yoga Joint Studios

Yoga, Fitness, and More

Free

Access a vast library of free online yoga and fitness classes, including a comprehensive pose guide. Studio members can book classes, reserve spots, and manage their accounts.

Free online yoga and fitness classesExtensive yoga pose libraryClass booking and mat reservation

💪 Health & Fitness

(1.5K)

free with in-app purchases

Compare with G21

Styku

Health & Fitness 3D Visualizer

Free

Visualize your body's transformation in 3D with this app. It uses patented scanning technology to provide detailed insights into your shape and composition, going beyond traditional weight measurements. Track progress with side-by-side comparisons and personalized wellness information.

3D body visualizationWellness and shape insightsTrack body fat percentage

💪 Health & Fitness

(265)

free with in-app purchases

Compare with G21

Sunlighten

Light Therapy in Your Control

Free

Optimize your well-being with this app, designed to enhance your light therapy and sauna experiences. Create personalized wellness programs, track sessions in real-time, and control your devices remotely for a seamless health journey.

Science-based wellness programsPersonalized program creationReal-time session tracking

by Amped Fitness, LLC

Free

Track workouts, meals, and fitness milestones with personalized guidance from a certified personal trainer. Monitor progress, schedule sessions, and access resources to stay motivated and achieve your health objectives.

Workout trackingMeal loggingNutritional guidance

Remote personal training

Free

This platform empowers fitness coaches to streamline client management and deliver personalized training. It offers tools for creating custom workouts, tracking progress, and direct client communication, allowing trainers to focus on coaching.

Custom workout builderExercise video libraryClient messaging