# APECS vs Muscle & Motion

The clearest difference is rating: Muscle & Motion at 3.7 against APECS's 1.7. Muscle & Motion also leads on in-app purchases (none vs 10) and review sentiment (50% vs 18%). APECS's advantage is update cadence (monthly vs every 2 months) and iOS requirement (13.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. APECS sells 10 in-app purchases, starting at $2.49 per month. Muscle & Motion asks for nothing beyond the download.

Muscle & Motion holds the better App Store score, 3.7 against 1.7. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 18% of APECS's written reviews are positive against 50% of Muscle & Motion's.

APECS ships an update monthly, Muscle & Motion every 2 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | APECS | Muscle & Motion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (7 ratings)](https://appshunter.io/ios/app/apecs-ai-posture-evaluation/id1488264106/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/muscle-and-motion-workouts/id1559937963/reviews)** |
| Number of ratings | **7** | 6 |
| Positive reviews | 18.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 206 MB | 9 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Saneftec](https://appshunter.io/developer/1669915626) | [Muscle & Motion LTD](https://appshunter.io/developer/1110670112) |

## What reviewers say

### APECS

[App page](https://appshunter.io/ios/app/apecs-ai-posture-evaluation/id1488264106)

Analyze your posture using your device's camera for improved back health and body shape. It offers detailed assessments of various body parts, including specialized tests for symmetry and movement, with options for both automatic and manual tracking.

**Highlights:** Camera-based posture analysis, Specialized symmetry tests, Range of motion evaluation, Automatic and manual modes, Detailed PDF reports, Posture correction exercises

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| APECS Standard: 1-Month Sub | $2.49 | per month |
| APECS Pro: 1-Month Sub | $3.49 | per month |
| APECS Pro Plus: 1-Month | $5.99 | per month |
| APECS Standard: 3-Month Sub | $6.99 | per 3 months |
| APECS Pro: 3-Month Sub | $7.49 | per 3 months |
| APECS Pro Plus: 3-Month | $11.00 | per 3 months |
| APECS Pro: 6-Month Sub | $13.99 | per 6 months |
| APECS Pro: 1-Year Sub | $21.99 | per year |
| APECS Pro Plus: 6-Month | $21.99 | per 6 months |
| APECS Pro Plus: 1-Year | $35.00 | per year |

**What reviewers like**

- 💡 Good app proposal/idea
- 👍 Useful tool for professionals
- 👍 Well-designed app

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App freezes often
- 🐛 App closes unexpectedly
- 🐛 Manual marking mode doesn't work
- 🐛 Automatic marking is deficient

**Reported bugs**

- App crashes and closes unexpectedly
- Manual marking mode is not functional
- Automatic marking is inaccurate
- App freezes during analysis
- App does not open after purchase/update

**Requested features**

- Add clear instructions and tutorials
- Improve manual marking functionality
- Enhance automatic marking accuracy
- Provide a tutorial for app usage
- Allow recovery of analyses on iPad


### Muscle & Motion

[App page](https://appshunter.io/ios/app/muscle-and-motion-workouts/id1559937963)

This app provides detailed exercise guidance, including proper form, injury prevention, and muscle engagement. It's designed for clients of personal trainers who use the companion Strength Training app to create and share personalized workout plans.

**Highlights:** Detailed exercise videos, Injury risk and prevention guidance, Muscle engagement insights, Personalized workout plan delivery, 24/7 workout access, Workout scheduling

**In-app purchases:** none


## Frequently asked questions

### Is APECS free?

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

### Is Muscle & Motion free?

Muscle & Motion is free to download, with no in-app purchases.

### Which has better reviews, APECS or Muscle & Motion?

Muscle & Motion is rated higher. APECS averages 1.7 out of 5 from 7 ratings, while Muscle & Motion averages 3.7 from 6 ratings.

### Do APECS or Muscle & Motion have ads?

Neither APECS nor Muscle & Motion shows ads.

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

APECS ships an update monthly, and Muscle & Motion every 2 months. Most recently, APECS was updated on November 7, 2026 and Muscle & Motion on November 8, 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.*