Apps Like Castle Flexx for iPhone and iPad
Castle Flexx screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.




Soma: Living Pain-Free
Somatic Movement Center LLC
Retrain muscles to relieve pain
Learn daily exercises to relieve pain and retrain muscle memory through guided videos. Track progress with built-in tools. Access anatomical explanations and adjust routines based on individual needs.


At Home Plank Workouts
Leap Health Fitness Limited
Workout planks, track progress, burn calories
Perform planks with three difficulty levels to build core strength and burn calories. Choose from static and dynamic variations. Customize 30-day weight loss plans. Track progress and adjust based on personal preferences. No equipment required.


Muscle & Motion: Posture
Muscle & Motion LTD
Correct with real-time feedback and exercises
Identify common postural disorders through guided assessments. Learn correction techniques with detailed explanations. Track progress with analysis tools. Access exercises to improve alignment and muscle balance.

Joint Academy
Arthro Therapeutics AB
Treat and back pain with exercises
Access personalized exercise programs designed by licensed physical therapists. Track health goals and progress with interactive lessons. Join patient communities for support. Receive education on managing and back pain.

Exakt Running & PT Trainer
Exakt Health GmbH
Track runs, plan routes, recover safely
Track sessions with GPS and heart rate monitoring. Create and follow personalized training plans. Monitor injury recovery with physiotherapy exercises. Set goals and view progress reports. Sync with wearable devices for real-time data.

Woebot: The Mental Health Ally
Woebot Labs Inc
Chat with AI and track your mood
Chat with an AI to manage stress, anxiety, and mood. Complete daily check-ins, track emotions, and set mindfulness goals. Access guided breathing exercises and cognitive behavioral techniques. Share progress with healthcare providers.

Back pain exercises at home
Vladimir Ratsev
Train lower muscles
Perform targeted for lower , thoracic spine, neck, and spine stretching. Include morning routines and full-body workouts. Track progress with built-in progress tracking and exercise library. Strengthen , abdomen, shoulders, and legs with over 100 .


Reveri: AI relief for pain
Reveri Health, Inc.
Relieve with guided hypnosis
Use guided self-hypnosis sessions to relieve , stress, and sleep issues. Customize sessions with AI guidance. Track progress over time. Access expert-designed tools for anxiety, chronic , and insomnia.

Posture Reminder: Stand Up
Yurii Kriuchkov
Correct your and track progress
Track with real-time feedback using motion sensors. Set reminders to adjust position. Log exercises targeting core and back muscles. View progress over time and receive personalized tips for improvement.

StretchBuddy
Youngsang Doh
Stretch and relieve tension in real time
Track posture and movement to identify and correct poor posture habits. Monitor muscle tension and stress levels through real-time feedback. Provide guided stretches and breathing exercises to relieve tension.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.