# BladderUSG vs Sono

BladderUSG and Sono are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | BladderUSG | Sono |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 11 MB | 7 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [SonoStarMed](https://appshunter.io/developer/1113993886) | [N-Finders Company Limited](https://appshunter.io/developer/1806242547) |

## What reviewers say

### BladderUSG

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

**Features:** macOS Compatibility

**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 free?

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

### Is Sono free?

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

### Do BladderUSG or Sono have ads?

Neither BladderUSG nor Sono shows ads.

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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.*