# Muscle & Motion vs Quick Self Fixes

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.

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.

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.

Muscle & Motion ships an update monthly, Quick Self Fixes every 2 months. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Muscle & Motion | Quick Self Fixes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (681 ratings)](https://appshunter.io/ios/app/muscle-and-motion-posture/id1199500066/reviews) | **[4.9 (126 ratings)](https://appshunter.io/ios/app/quick-self-fixes/id1483824261/reviews)** |
| Number of ratings | **681** | 126 |
| Positive reviews | 76.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 183 MB | 98 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Muscle & Motion LTD](https://appshunter.io/developer/1110670112) | [Cassius Camden Clay](https://appshunter.io/developer/1483824260) |

## What reviewers say

### Muscle & Motion

[App page](https://appshunter.io/ios/app/muscle-and-motion-posture/id1199500066)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Full Access | $15.00 | per month |
| Yearly Full Access | $89.00 | per year |
| Yearly Subscription Bonus | $89.00 | per year |

**What reviewers like**

- 🚀 Animated anatomy magic
- 👍 Very educational
- 👍 Great body of work
- 👍 Brilliant and very helpful
- 👍 Fabulous and makes you better

**What reviewers complain about**

- 🐛 Doesn't work on iOS 18.3
- 💰 Very expensive

**Reported bugs**

- Paid subscription not working, only free version available
- Login issues

**Requested features**

- Add Russian language
- Add Spanish language


### Quick Self Fixes

[App page](https://appshunter.io/ios/app/quick-self-fixes/id1483824261)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Self Fixes Program | $29.99 | one-time |


## Frequently asked 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 22, 2026 and Quick Self Fixes on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*