Best apps like Flex – Stretch

10+ similar apps compared and reviewed

5.0 avg rating

10 free apps

Updated October 2026

CAPNKLUTCH

Looking for something like Flex? We've analyzed 10+ 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 Flex

Prismae Health by Naxos Labs LLC

Intelligent Nutrition

Editor's Choice

💪 Health & Fitness

0.0(0 ratings)

FreeIn-App Purchases

REPS – Kettlebell Antrenmanı by Murat Surenler

akip yok. Sadece antrenman.

Strong Contender

💪 Health & Fitness

0.0(0 ratings)

Free

REPS – Kettlebell Antrenmanı screenshot 1

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The Plus Set by Vishal Agrawal

Wendler 5/3/1 Workout Tracker

Worth Considering

💪 Health & Fitness

5.0(1 ratings)

Free

This app simplifies tracking your Wendler 5/3/1 workouts, including Boring But Big assistance. It automatically calculates weights, tracks progress, and features a built-in rest timer. Focus on your training with smart progression and flexible customization.

More apps like Flex

Tally: Bodyweight Rep Tracker

Push Up, Pull Up & Squat Log

This comprehensive fitness platform helps users track workouts, activities, body metrics, and nutrition. It offers custom routines, breathwork exercises, 3D demonstrations, and branded workout videos to support sustainable health journeys.

Workout and attendance trackingActivity and homework trackingBody metrics tracking

Ahimo: AI Health Insights

Private AI health insights

Crusd: Hybrid Training

Run. Lift. Recover. Repeat.

Create and perform stretches

TheBuild: Reel Workout Tracker

From TikTok & reels to Streaks

Free

Transform social media workout videos into structured, followable routines. This app analyzes video links to create set-by-set plans, track your progress, and build training streaks. Log your actual performance and discover new workouts.

AI video analysis for workout creationStructured set-by-set workout plansCustomizable exercise details