Comparison

Muscle & Motion vs Quick Self Fixes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Muscle & Motion

This app provides a 3D learning platform to understand posture from an anatomical and biomechanical perspective. It visualizes muscular patterns, common postural faults, and offers corrective exercises. Ideal for professionals and individuals seeking to improve posture and movement.

Highlights
  • 3D Postural Analysis Library
  • Corrective Exercise Library
  • Biomechanical Principles Visualization
  • Muscle Activation in 3D
  • Common Postural Faults Explained
  • Alignment and Movement Learning
Read full description

Understand posture from the inside out. The Posture app by Muscle & Motion turns your device into a powerful 3D learning platform that reveals the anatomy, biomechanics, and muscular patterns behind good (and poor) posture. Explore common postural faults, watch muscles activate in 3D, and learn how alignment influences movement, performance, and pain. Whether you’re a therapist, trainer, movement educator, student, or someone working to improve your own posture, this app helps you see what’s really happening beneath the surface. Why Physical Therapists, clinicians & movement professionals love it - Makes complex posture concepts easy to understand through clear 3D animations - Shows exactly which muscles are overactive, underactive, tight, or lengthened - Helps explain posture to clients and patients far better than static images - Reveals the biomechanics behind common faults like rounded shoulders, forward head, swayback, lordosis, kyphosis, and more - Provides corrective exercises and movement strategies that professionals can use immediately Key Features • 3D Postural Analysis Library Understand why issues like kyphosis, lordosis, or flat back develop. The app uses clear 3D visuals to show how muscular imbalances create each postural pattern, and provides guided exercises that can help you correct and improve them over time. • Corrective Exercise Library Access targeted strengthening and mobility exercises for improving alignment. • Biomechanical Principles Made Simple See how the brain, muscles, and joints coordinate to maintain posture. Learn about load distribution, joint alignment, center of gravity, and functional stability, all visualized in 3D. Who is this app for? The Posture app is built for anyone who wants to understand and improve posture, including: - Physiotherapists, chiropractors & rehab professionals - Personal trainers & corrective exercise specialists - Yoga, Pilates & movement teachers - Kinesiology and physical therapy students - University and college instructors - Strength coaches & athletic trainers - Massage therapists & bodyworkers - Individuals working on posture, mobility, or pain reduction Use it to assess posture, teach alignment, choose corrections, create programs, or simply deepen your understanding of human movement. Free Access & Subscriptions You can download the app and explore part of the posture content for free, including sample 3D lessons and corrective exercises. To unlock the full library (including all posture analyses, 3D anatomy content, corrective exercises, and biomechanics videos) you can upgrade with an in-app subscription: - Subscriptions give you full access to all videos, lessons, and 3D content for the duration of your plan. - Subscriptions auto-renew unless you turn off auto-renew at least 24 hours before the end of the current period in your Apple ID settings. You can manage or cancel your subscription at any time in Settings > Apple ID > Subscriptions on your device. For full details: Privacy Policy: https://www.muscleandmotion.com/privacy/ Terms of Use: https://www.muscleandmotion.com/terms-of-use/ Support Have a question, feature request or need help with your subscription? Our team is happy to help at info@muscleandmotion.com.

About

Quick Self Fixes

Learn 32 easy techniques to alleviate pain and improve mobility, designed for those experiencing discomfort typically addressed by chiropractors. This app helps prevent injuries, increase range of motion, and strengthen muscles for various physical activities.

Highlights
  • 32 easy self-fix techniques
  • Prevent injuries
  • Increase muscular range of motion
  • Strengthen muscles
  • Alleviate chronic pain
  • Improve posture and balance
  • Enhance athletic performance
Features
Read full description

Try it for free! Learn 32 easy techniques you can do anywhere, anytime, designed for those who experience the type of pain typically treated by a chiropractor. This app can help users prevent injuries, increase muscular range of motion, and keep muscles strong during physical activity such as yoga, running, and weightlifting. The Quick Self Fixes app is the first of its kind to offer time-tested techniques developed by a chiropractor who has devoted over 35 years to helping patients. A targeted stretch or a short physical routine is sometimes all that’s needed to relieve pain and restore normal function, and this app’s guidance can help eliminate a visit to the doctor’s office. ABOUT Quick Self Fixes “It’s all about making space in just the right places,” Quick Self Fixes inventor Dr. Cassius Camden Clay, Chiropractor said, and his innovative routines are proven to improve blood flow, lymphatic drainage, nerve conduction, and cerebral spinal fluid flow. One question motivated him to research and develop this approach: “How can I teach you how to do what I just did that helped you?” The Quick Self Fixes app is quick and easy to navigate. Add fixes into your daily workout or exercise routine. A FIX CAN DO THE TRICK • Do you experience chronic pain in your ankles, knees, hips, elbows, shoulders, neck, back, or other areas? • Do you have a job that requires demanding physical effort? • Are you a professional athlete or just really into fitness? • Do you experience low energy, stiffness, or general weakness? • Would you like to slow the formation of arthritis in your joints? • Do you want to fire up your metabolism and burn more fat? • Do you want to improve your overall health and self-care? WHAT YOU’LL LEARN • self-stretches • self-organ manipulation • specific joint motions • self-massage exercises • techniques to prevent and resolve connective tissue tightness and joint fixations • routines to improve posture, balance and gait • stretches to address athletic functions • self fixes to eliminate chronic pain BENEFITS • Improve overall strength and flexibility • Prevent and speed the healing of injuries • Help prevent and relieve pain • Increase vitality • Improve endurance • Slow the formation of arthritis • Improve coordination • Enhance athletic performance • Increase comfort • Increase metabolism and decrease fat WHAT PEOPLE ARE SAYING Watch full-length testimonials from patients and practitioners at https://quickselffixes.com/testimonials/ These 32 techniques are being used by practitioners across the globe – from athletic trainers and yoga teachers to holistic body workers – and the app includes their testimonials and contact details. *Be sure to watch our instructional videos to learn how to get the most out of this app!* The Quick Self Fixes app uses text explanations and step-by-step video instructions and is organized with three main features: Fix Myself: List of body parts with Quick Self Fixes educational videos and text Quick Self Fixes: Learn the entire Quick Self Fixes routine My Routines: List of body parts with short videos that you have already studied(follow along without words) MEDICAL DISCLAIMER Quick Self Fixes do not diagnose or treat disease, injuries, or ailments. For safety reasons, prior to performing Quick Self Fixes, show this app to your Medical Doctor to be sure that the Quick Self Fixes are safe for you. Promptly stop doing any Quick Self Fix if there is pain. SUBSCRIPTION POLICY Create an account for a 10 day free trial. After the trial period, users can purchase and own the Quick Self Fixes app for $19.99. GOT FEEDBACK? We would love to hear from you! If you enjoy using the app, please leave a rating & review for us so we can help others fix themselves. You can also email us at help@quickselffixes.com Privacy Policy: https://www.privacypolicies.com/privacy/view/079d24ca4ee4b15b5c74dc5f0c5877a5 GeekShark, Inc. Developer geekshark.com

Screenshots

Muscle & Motion4 screens
Quick Self Fixes4 screens

Verdict

The call

Muscle & Motion and Quick Self Fixes both sit at 4.9 stars, but that hides the real split: 100% of Quick Self Fixes's written reviews are positive against 77% of Muscle & Motion's. Quick Self Fixes also leads on iOS requirement (12.0 vs 17.0). Muscle & Motion's advantage is update cadence (monthly vs every 2 months) and ratings volume (681 vs 126). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Muscle & Motion sells 3 in-app purchases, starting at $15.00 per month and Quick Self Fixes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Muscle & Motion against 4.9 for Quick Self Fixes. That said, the two scores are not equally well evidenced: Muscle & Motion has 681 ratings behind it against 126, so its average is the more settled of the two. Written reviews are what separate them: 77% of Muscle & Motion's written reviews are positive against 100% of Quick Self Fixes's.

UpkeepUpdate frequency

Muscle & Motion ships an update monthly, Quick Self Fixes every 2 months. Both last shipped on October 15, 2026.

Scorecard4 real differences · 6 level
Muscle & Motion versus Quick Self Fixes: the parameters behind the verdict, then further details
ParameterMuscle & MotionQuick Self Fixes
PriceFreeFree
Rating4.9 (681 ratings)4.9 (126 ratings) — better
Positive reviews76.7% of reviews100.0% of reviews — better
Number of ratings681 — better126
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size183 MB98 MB
Age rating17+17+
DeveloperMuscle & Motion LTDCassius Camden Clay

Customer experience

Muscle & Motion

All ratings681 ratings
Positive96.9%
Neutral1.3%
Negative1.8%
Written reviews60 reviews
Positive76.7%
Neutral3.3%
Negative20.0%

Quick Self Fixes

All ratings118 ratings
Positive97.5%
Neutral1.7%
Negative0.8%
Written reviews22 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Muscle & Motion

Reported bugs

2 issues
  • Paid subscription not working, only free version available
  • Login issues

Requested features

2 requests
  • Add Russian language
  • Add Spanish language

Quick Self Fixes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Muscle & Motion

Subscriptions3
  • Monthly Full Access$15.001 Month
  • Yearly Full Access2 variants$89.001 Year
  • Yearly Subscription Bonus1 Year trial$89.001 Year
1 purchases

Quick Self Fixes

One-time1
  • Quick Self Fixes Program$29.99

Questions

Is Muscle & Motion free?
Muscle & Motion is free to download, with in-app purchases available.
Is Quick Self Fixes free?
Quick Self Fixes is free to download, with in-app purchases available.
Which has better reviews, Muscle & Motion or Quick Self Fixes?
Quick Self Fixes is rated higher. Muscle & Motion averages 4.9 out of 5 from 681 ratings, while Quick Self Fixes averages 4.9 from 126 ratings.
Do Muscle & Motion or Quick Self Fixes have ads?
Neither Muscle & Motion nor Quick Self Fixes shows ads.
Which is updated more often, Muscle & Motion or Quick Self Fixes?
Muscle & Motion ships an update monthly, and Quick Self Fixes every 2 months. Most recently, Muscle & Motion was updated on October 15, 2026 and Quick Self Fixes on October 15, 2026.

Other comparisons