# BOD Keeper vs JSK Gym

The clearest difference is in-app purchases: JSK Gym at none against BOD Keeper's 5. JSK Gym also leads on update cadence (every 3 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

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

BOD Keeper ships an update every 7 months, JSK Gym every 3 weeks. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | BOD Keeper | JSK Gym |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 10 MB | 74 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 |


### JSK Gym

[App page](https://appshunter.io/ios/app/jsk-gym/id6815845396)

**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 JSK Gym free?

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

### Do BOD Keeper or JSK Gym have ads?

Neither BOD Keeper nor JSK Gym shows ads.

### Which is updated more often, BOD Keeper or JSK Gym?

BOD Keeper ships an update every 7 months, and JSK Gym every 3 weeks. Most recently, BOD Keeper was updated on November 1, 2026 and JSK Gym on November 10, 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.*