# Dynamic vs ETA Body Balance

The clearest difference is update cadence: ETA Body Balance at every 6 months against Dynamic's every 31 months. ETA Body Balance also leads on iOS requirement (12 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dynamic ships an update every 31 months, ETA Body Balance every 6 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Dynamic | ETA Body Balance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 6 months** |
| Size | 23 MB | 80 MB |
| Requires iOS | 15.0 | **12** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INSPIRE CZ](https://appshunter.io/developer/582633229) | [ETA a.s.](https://appshunter.io/developer/1480365526) |

## What reviewers say

### Dynamic

[App page](https://appshunter.io/ios/app/dynamic/id6478658095)

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

**In-app purchases:** none


### ETA Body Balance

[App page](https://appshunter.io/ios/app/eta-body-balance/id6744101268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic free?

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

### Is ETA Body Balance free?

ETA Body Balance is free to download, with no in-app purchases.

### Do Dynamic or ETA Body Balance have ads?

Neither Dynamic nor ETA Body Balance shows ads.

### Which is updated more often, Dynamic or ETA Body Balance?

Dynamic ships an update every 31 months, and ETA Body Balance every 6 months. Most recently, Dynamic was updated on October 13, 2026 and ETA Body Balance on October 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.*