Comparison

Muscle & Motion vs The Client Notebook

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

Head to head
About

Muscle & Motion

Explore detailed 3D animations of exercises to understand biomechanics and muscle engagement. This app helps users train smarter, reduce injury risk, and deepen their knowledge of human movement. It's ideal for visual learners seeking to grasp complex anatomy.

Highlights
  • Interactive 3D Anatomy Model
  • 3D Exercise Anatomy Library (1,200+ exercises)
  • Educational Anatomy Videos
  • Customizable Workout Plans
  • Muscle and Joint Visualization
  • Common Mistake Identification
Read full description

Build strength with guided workout plans, gym routines, and in-depth biomechanics. Muscle & Motion brings training to life with 3D visuals that show how your body moves. The Strength Training app is powered by a team of physiotherapists, movement experts, and professional animators. We turn your device into a visual strength-training lab and show you exactly which muscle structures are working, so you can understand the anatomy and biomechanics of the exercise, and train smarter while reducing injury risk. Made for personal trainers, strength coaches, therapists, students, and dedicated lifters, this app connects what you feel in the gym with what’s really happening in the body. Designed for visual learners If you learn best by seeing, this app is made for you. Why trainers, coaches & students love it - Makes complex anatomy easy to understand through clear 3D animations - Shows exactly which muscles and joints are involved in each exercise - Reveals common mistakes so you can coach better form - Explains concepts far better than static images or textbooks Backed by thousands of 5-star ratings and trusted by movement professionals worldwide. Instead of static diagrams, you get animated 3D views of real lifts: muscles slide, shorten and lengthen as the movement happens, making it much easier to remember which structures are doing what, and why it matters Key features: • Interactive 3D Anatomy Model Rotate, zoom, and explore every muscle, joint, and bone for a deeper understanding of human movement. • Access to 3D Exercise Anatomy Library (1,200+ exercises, updated weekly) Comprehensive library of science-based exercise videos, each with full anatomical analysis and common mistakes to avoid. See prime movers, synergists, stabilizers and antagonists highlighted with clear color-coding, and learn how to target or de-emphasize specific muscles by changing stance, range, or grip. • Educational Videos Discover a range of videos designed to make learning anatomy easy and engaging. From core fundamentals to advanced mechanics. • Workout Plans Create & assign customized workouts What our users say “An absolute must for understanding movement and the anatomy behind it! It’s like watching under the skin.” “I’ve finally found an app that helps me prevent injuries by showing exactly what not to do!” “This app makes complex anatomy simple and has helped me become a more effective trainer for my clients.” Who is this app for? Strength Training by M&M is built for anyone who wants to train and teach with confidence: - Personal trainers & strength coaches - Physical therapists, chiropractors & rehab professionals - Pilates, yoga & movement teachers - Bodybuilders, powerlifters & fitness enthusiasts - Kinesiology, physiotherapy & sports-science students - University and college instructors who teach exercise anatomy/biomechanics Use it to prepare sessions, design programs, teach classes, or deepen your own understanding of lifting mechanics. Free access & subscriptions You can download the app and start learning with a free tier that unlocks a portion of the content so you can explore the 3D model and try sample exercises. To access the full library of exercises, 3D anatomy content, and all workout-building tools, you can upgrade with an in-app subscription: Subscriptions give you full access to all videos, exercises, workouts, and the 3D model 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 account settings. You can manage or cancel your subscription at any time in Settings > Apple ID > Subscriptions on your device. For full details, please see: 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

The Client Notebook

This app allows clients to access their workout plans, record personal progress, and communicate directly with their trainers. It provides a centralized hub for all training-related information, including body assessments and scheduled appointments.

Highlights
  • View planned workouts
  • Record personal workouts
  • Track body assessments
  • Store progress photos
  • View appointments
  • In-app trainer messaging
Features
Read full description

Welcome to The Training Notebook family and is perfect for online training. We realised The Training Notebook was missing a sidekick – so we created another app just for clients. Now you can give your clients access to all their information with a click of a button. Communicate effortlessly, and enjoy easier online training. The Client Notebook gives you total control of your workouts and body assessments * View all workouts planned by your trainer * Enter your own workouts and assessments * Keep a record of body weight, body fat percentage, before and after photos * View scheduled appointments * View training session packages * In-app messaging directly to your trainer An account with The Training Notebook is required to use this app. If your trainer does not have an account tell them to download The Training Notebook app.

Screenshots

Muscle & Motion4 screens
The Client Notebook3 screens

Verdict

The call

The clearest difference is review sentiment: Muscle & Motion at 91% against The Client Notebook's 17%. Muscle & Motion also leads on rating (4.9 vs 1.9) and ratings volume (7.8K vs 9). The Client Notebook's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support 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 9 in-app purchases, starting at $14.99 per month. The Client Notebook asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Muscle & Motion holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: Muscle & Motion has 7.8K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 91% of Muscle & Motion's written reviews are positive against 17% of The Client Notebook's.

UpkeepUpdate frequency

Muscle & Motion ships an update every 3 weeks, The Client Notebook every 2 weeks. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Muscle & Motion versus The Client Notebook: the parameters behind the verdict, then further details
ParameterMuscle & MotionThe Client Notebook
PriceFreeFree
Rating4.9 (7.8K ratings) — better1.9 (9 ratings)
Positive reviews90.7% of reviews — better16.7% of reviews
Number of ratings7.8K — better9
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size187 MB46 MB
Age rating4+4+
DeveloperMuscle & Motion LTDThe Training Notebook, Inc.

Customer experience

Muscle & Motion

All ratings7,787 ratings
Positive97.4%
Neutral1.5%
Negative1.2%
Written reviews994 reviews
Positive90.7%
Neutral2.9%
Negative6.3%

The Client Notebook

All ratings9 ratings
Positive22.2%
Neutral0.0%
Negative77.8%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Bugs and requests

Muscle & Motion

Reported bugs

3 issues
  • Exercises not loading properly
  • Inconsistent and slow loading
  • Incorrect muscle labeling

Requested features

4 requests
  • Ability to zoom and move 3D body model
  • Ability to create and save custom workouts
  • Offline access on Mac
  • Regular content updates

The Client Notebook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Muscle & Motion

Subscriptions9
  • Individual Monthly$14.991 Month
  • Professional Monthly$24.991 Month
  • Business Monthly$88.991 Month
Show 6 more
  • Individual Yearly2 variants$89.001 Year
  • Yearly Subscription Bonus1 Year trial$89.001 Year
  • Individual Yearly (Free Trial)7 Days trial$89.001 Year
  • Pro Yearly (Free Trial)7 Days trial$149.001 Year
  • Professional Yearly$149.001 Year
  • Business Yearly$499.001 Year
None

The Client Notebook

No in-app purchases

Questions

Is Muscle & Motion free?
Muscle & Motion is free to download, with in-app purchases available.
Is The Client Notebook free?
The Client Notebook is free to download, with no in-app purchases.
Which has better reviews, Muscle & Motion or The Client Notebook?
Muscle & Motion is rated higher. Muscle & Motion averages 4.9 out of 5 from 7.8K ratings, while The Client Notebook averages 1.9 from 9 ratings.
Do Muscle & Motion or The Client Notebook have ads?
Neither Muscle & Motion nor The Client Notebook shows ads.
Which is updated more often, Muscle & Motion or The Client Notebook?
Muscle & Motion ships an update every 3 weeks, and The Client Notebook every 2 weeks. Most recently, Muscle & Motion was updated on November 10, 2026 and The Client Notebook on November 3, 2026.

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