# qalcha. vs Kernfit

The clearest difference is in-app purchases: Kernfit at none against qalcha.'s 10. qalcha.'s advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. qalcha. sells 10 in-app purchases, starting at $45.00 per month. Kernfit asks for nothing beyond the download.

qalcha. ships an update every 3 weeks, Kernfit every 5 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | qalcha. | Kernfit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 61 MB | 84 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ZPTW Sports GmbH](https://appshunter.io/developer/1765467488) | [Kernfit GmbH](https://appshunter.io/developer/1896480984) |

## What reviewers say

### qalcha.

[App page](https://appshunter.io/ios/app/qalcha/id6670239372)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hybrid Plan | $45.00 | per month |
| Triathlon Plan | $45.00 | per month |
| Running Plan | $49.99 | per month |
| Hyrox Pro Plan | $129.00 | per month |
| Hyrox Plan | $129.00 | per month |
| Running Advanced Plan | $129.00 | per month |
| Running Beginner Plan | $129.00 | per month |
| Tribrid Plan | $129.00 | per month |
| Triathlon Beginner Plan | $129.00 | per month |
| 8 weeks Hyrox preperation | $79.99 | one-time |


### Kernfit

[App page](https://appshunter.io/ios/app/kernfit/id6767495856)

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

**In-app purchases:** none


## Frequently asked questions

### Is qalcha. free?

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

### Is Kernfit free?

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

### Do qalcha. or Kernfit have ads?

Neither qalcha. nor Kernfit shows ads.

### Which is updated more often, qalcha. or Kernfit?

qalcha. ships an update every 3 weeks, and Kernfit every 5 months. Most recently, qalcha. was updated on November 4, 2026 and Kernfit on October 31, 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.*