# BladderUSG Pro vs Sono

The clearest difference is iOS requirement: Sono at 11.0 against BladderUSG Pro's 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.

## The numbers

| Metric | BladderUSG Pro | Sono |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 17 MB | 7 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SonoStarMed](https://appshunter.io/developer/1113993886) | [N-Finders Company Limited](https://appshunter.io/developer/1806242547) |

## What reviewers say

### BladderUSG Pro

[App page](https://appshunter.io/ios/app/bladderusg-pro/id6450775928)

**In-app purchases:** none


### Sono

[App page](https://appshunter.io/ios/app/sono-finder/id6744132826)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BladderUSG Pro free?

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

### Is Sono free?

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

### Do BladderUSG Pro or Sono have ads?

Neither BladderUSG Pro nor Sono shows ads.

---

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