# myoSonic Fit vs 3BA PostureLab

The clearest difference is in-app purchases: myoSonic Fit at none against 3BA PostureLab's 2. 3BA PostureLab's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 3BA PostureLab sells 2 in-app purchases, starting at $17.99 per month. myoSonic Fit asks for nothing beyond the download.

myoSonic Fit ships an update every 2 weeks, 3BA PostureLab every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | myoSonic Fit | 3BA PostureLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 97 MB | 107 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Thebodymap Inc.](https://appshunter.io/developer/1784420692) | [dakyoung woo](https://appshunter.io/developer/6782053848) |

## What reviewers say

### myoSonic Fit

[App page](https://appshunter.io/ios/app/myosonic-fit/id6739243952)

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

**In-app purchases:** none


### 3BA PostureLab

[App page](https://appshunter.io/ios/app/3ba-posturelab/id6782053846)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNLIMITED 월간 무제한 | $17.99 | per month |
| BASIC 자세 분석 | $2.99 | one-time |


## Frequently asked questions

### Is myoSonic Fit free?

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

### Is 3BA PostureLab free?

3BA PostureLab is free to download, with in-app purchases available.

### Do myoSonic Fit or 3BA PostureLab have ads?

Neither myoSonic Fit nor 3BA PostureLab shows ads.

### Which is updated more often, myoSonic Fit or 3BA PostureLab?

myoSonic Fit ships an update every 2 weeks, and 3BA PostureLab every 4 days. Most recently, myoSonic Fit was updated on October 30, 2026 and 3BA PostureLab on October 28, 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.*