# BladderUSG Pro vs SonicAid

The clearest difference is update cadence: BladderUSG Pro at monthly against SonicAid's every 6 months. BladderUSG Pro also leads on iOS requirement (12.0 vs 16.0). 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.

BladderUSG Pro ships an update monthly, SonicAid every 6 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BladderUSG Pro | SonicAid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Size | 47 MB | 265 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SonoStarMed](https://appshunter.io/developer/1113993886) | [徐州永康电子科技有限公司](https://appshunter.io/developer/1095223244) |

## What reviewers say

### BladderUSG Pro

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

**In-app purchases:** none


### SonicAid

[App page](https://appshunter.io/ios/app/sonicaid/id6740261036)

**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 SonicAid free?

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

### Do BladderUSG Pro or SonicAid have ads?

Neither BladderUSG Pro nor SonicAid shows ads.

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

BladderUSG Pro ships an update monthly, and SonicAid every 6 months. Most recently, BladderUSG Pro was updated on September 9, 2026 and SonicAid on September 8, 2026.

---

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