# ComplexCore vs Felswerk

The clearest difference is in-app purchases: Felswerk at none against ComplexCore's 1. ComplexCore's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ComplexCore sells 1 one-off in-app purchase. Felswerk asks for nothing beyond the download.

ComplexCore ships an update every 7 months, Felswerk every 11 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ComplexCore | Felswerk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/complexcore/id705081467/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 124 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ComplexCore GmbH](https://appshunter.io/developer/705081470) | [Gym Realm Technology AD](https://appshunter.io/developer/1446254637) |

## What reviewers say

### ComplexCore

[App page](https://appshunter.io/ios/app/complexcore/id705081467)

Access short training programs for core, upper, and lower limbs at three performance levels. Connect with your physiotherapist or coach to receive personalized exercise plans with video and picture guidance. Manage multiple training codes for a comprehensive overview of your fitness journey.

**Highlights:** Short training programs, Multiple performance levels, Video and picture exercise guides, Connect with physiotherapists/coaches, Manage multiple training codes, Personalized training plans

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Therapy Access | $3.99 | one-time |


### Felswerk

[App page](https://appshunter.io/ios/app/felswerk/id6752891829)

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

**In-app purchases:** none


## Frequently asked questions

### Is ComplexCore free?

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

### Is Felswerk free?

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

### Do ComplexCore or Felswerk have ads?

Neither ComplexCore nor Felswerk shows ads.

### Which is updated more often, ComplexCore or Felswerk?

ComplexCore ships an update every 7 months, and Felswerk every 11 months. Most recently, ComplexCore was updated on October 4, 2026 and Felswerk on October 17, 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.*