# BladderUSG vs SonoMe Pro

BladderUSG and SonoMe Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

BladderUSG ships an update every 5 months, SonoMe Pro every 4 months. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | BladderUSG | SonoMe Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 11 MB | 7 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [SonoStarMed](https://appshunter.io/developer/1113993886) | [Bionet CO.,LTD](https://appshunter.io/developer/1526082887) |

## What reviewers say

### BladderUSG

[App page](https://appshunter.io/ios/app/bladderusg/id1508441442)

**Features:** macOS Compatibility

**In-app purchases:** none


### SonoMe Pro

[App page](https://appshunter.io/ios/app/sonome-pro/id1664321557)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BladderUSG free?

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

### Is SonoMe Pro free?

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

### Do BladderUSG or SonoMe Pro have ads?

Neither BladderUSG nor SonoMe Pro shows ads.

### Which is updated more often, BladderUSG or SonoMe Pro?

BladderUSG ships an update every 5 months, and SonoMe Pro every 4 months. Most recently, BladderUSG was updated on September 20, 2026 and SonoMe Pro on September 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*