# BOD Keeper vs Katjas kraftverk

The clearest difference is in-app purchases: Katjas kraftverk at none against BOD Keeper's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BOD Keeper sells 5 in-app purchases, starting at $4.99 per month. Katjas kraftverk asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BOD Keeper | Katjas kraftverk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | Freemium | — |
| Size | 10 MB | 80 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIFRED SOLUTIONS](https://appshunter.io/developer/592885771) | [Ellions AB](https://appshunter.io/developer/1168082082) |

## What reviewers say

### BOD Keeper

[App page](https://appshunter.io/ios/app/bod-keeper/id764504647)

This app helps you monitor your fitness journey by tracking body measurements, weight, and body fat percentage. Visualize your progress with clear logs and charts to stay motivated towards your weight loss or muscle-building goals.

**Highlights:** Track weight and body measurements, Calculate body fat percentage, View progress in charts and logs, Monitor fitness transformation, Stay motivated with progress tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $4.99 | per month |
| Pro Subscription | $49.99 | per year |
| Upgrade to Basic | $2.99 | one-time |
| Upgrade Basic to Pro | $2.99 | one-time |
| Upgrade to Pro | $4.99 | one-time |


### Katjas kraftverk

[App page](https://appshunter.io/ios/app/katjas-kraftverk/id6463830992)

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

**In-app purchases:** none


## Frequently asked questions

### Is BOD Keeper free?

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

### Is Katjas kraftverk free?

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

### Do BOD Keeper or Katjas kraftverk have ads?

Neither BOD Keeper nor Katjas kraftverk shows ads.

### Which is updated more often, BOD Keeper or Katjas kraftverk?

BOD Keeper ships an update every 7 months, and Katjas kraftverk every 7 months. Most recently, BOD Keeper was updated on October 23, 2026 and Katjas kraftverk on October 16, 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.*