# CADET VDC vs Muscles

The clearest difference is in-app purchases: CADET VDC at none against Muscles's 1. CADET VDC also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Muscles's advantage is update cadence (fortnightly vs every 18 months). On price and ads there is nothing between them.

Both are free to download. Muscles sells 1 one-off in-app purchase. CADET VDC asks for nothing beyond the download.

CADET VDC ships an update every 18 months, Muscles fortnightly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CADET VDC | Muscles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/muscles-workout-tracker/id6476836905/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [CAMBODIAN ASSOCIATION OF DIABETES AND ENDOCRINE TECHNOLOGY](https://appshunter.io/developer/1643449579) | [Nathan Armstrong](https://appshunter.io/developer/982863187) |

## What reviewers say

### CADET VDC

[App page](https://appshunter.io/ios/app/cadet-vdc/id1643449577)

**In-app purchases:** none


### Muscles

[App page](https://appshunter.io/ios/app/muscles-workout-tracker/id6476836905)

This app offers a streamlined and intuitive way to log your exercise sessions. Easily track your progress with visual analytics and motivational graphs. Its beautiful interface makes fitness tracking enjoyable for all levels.

**Highlights:** Effortless workout logging, Customizable exercise tracking, Progress visualization with graphs, Insightful analytics and statistics, Beautiful and minimalist interface, Dashboard widgets for quick insights

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is CADET VDC free?

CADET VDC is free to download, with no in-app purchases.

### Is Muscles free?

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

### Do CADET VDC or Muscles have ads?

Neither CADET VDC nor Muscles shows ads.

### Which is updated more often, CADET VDC or Muscles?

CADET VDC ships an update every 18 months, and Muscles fortnightly. Most recently, CADET VDC was updated on October 15, 2026 and Muscles on October 24, 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.*