# Muscle & Motion vs Posture Correction

The clearest difference is update cadence: Muscle & Motion at monthly against Posture Correction's every 6 months. Muscle & Motion also leads on rating (4.9 vs 4.6) and ratings volume (681 vs 69). Posture Correction's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Muscle & Motion sells 3 in-app purchases, starting at $15.00 per month and Posture Correction sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Muscle & Motion holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Muscle & Motion has 681 ratings behind it against 69, so its average is the more settled of the two. Written reviews point the same way: 77% of Muscle & Motion's written reviews are positive against 68% of Posture Correction's.

Muscle & Motion ships an update monthly, Posture Correction every 6 months. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Muscle & Motion | Posture Correction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (681 ratings)](https://appshunter.io/ios/app/muscle-and-motion-posture/id1199500066/reviews)** | [4.6 (69 ratings)](https://appshunter.io/ios/app/posture-correction-tech-neck/id1494771315/reviews) |
| Number of ratings | **681** | 69 |
| Positive reviews | **76.7% of reviews** | 68.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 183 MB | 35 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Muscle & Motion LTD](https://appshunter.io/developer/1110670112) | [AppsGO DOO](https://appshunter.io/developer/1494771314) |

## 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


### Posture Correction

[App page](https://appshunter.io/ios/app/posture-correction-tech-neck/id1494771315)

Improve your posture and relieve neck and back pain with guided exercises and stretches. This app helps correct forward head posture caused by prolonged screen time, offering simple workouts without equipment. Achieve better alignment for overall health and well-being.

**Highlights:** Guided posture correction exercises, Neck pain relief workouts, Back pain prevention exercises, Stretches for forward head posture, 5-minute guided workouts, No equipment required

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Silver | $2.99 | per month |
| 1 Month Subscription | $2.99 | per month |
| 1 Year Subscription | $14.99 | per year |
| Gold Subscription | $29.99 | per year |
| Platinum member | $40.99 | one-time |


## Frequently asked questions

### Is Muscle & Motion free?

Muscle & Motion is free to download, with in-app purchases available.

### Is Posture Correction free?

Posture Correction is free to download, with in-app purchases available.

### Which has better reviews, Muscle & Motion or Posture Correction?

Muscle & Motion is rated higher. Muscle & Motion averages 4.9 out of 5 from 681 ratings, while Posture Correction averages 4.6 from 69 ratings.

### Do Muscle & Motion or Posture Correction have ads?

Neither Muscle & Motion nor Posture Correction shows ads.

### Which is updated more often, Muscle & Motion or Posture Correction?

Muscle & Motion ships an update monthly, and Posture Correction every 6 months. Most recently, Muscle & Motion was updated on September 21, 2026 and Posture Correction on September 13, 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.*