# StetSAFE vs BladderVol

The clearest difference is ads: BladderVol at none against StetSAFE's shown. StetSAFE's advantage is update cadence (every 3 months vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

StetSAFE ships an update every 3 months, BladderVol every 9 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StetSAFE | BladderVol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stetsafe/id1557467813/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Ad-supported | — |
| Size | 49 MB | 3 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KuartisMed Ltd Sti](https://appshunter.io/developer/598946138) | [Edge Life Technologies LLC](https://appshunter.io/developer/1663450410) |

## What reviewers say

### StetSAFE

[App page](https://appshunter.io/ios/app/stetsafe/id1557467813)

This medical device uses UV-C light to disinfect stethoscope diaphragms, neutralizing harmful bacteria in minutes. Connect to a mobile app to monitor disinfection status and usage details.

**Highlights:** UV-C light disinfection, Neutralizes bacteria, Mobile app connectivity, Disinfection status monitoring, Usage details tracking

**In-app purchases:** none


### BladderVol

[App page](https://appshunter.io/ios/app/bladdervol/id6749077780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StetSAFE free?

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

### Is BladderVol free?

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

### Do StetSAFE or BladderVol have ads?

StetSAFE shows ads; BladderVol does not.

### Which is updated more often, StetSAFE or BladderVol?

StetSAFE ships an update every 3 months, and BladderVol every 9 months. Most recently, StetSAFE was updated on October 5, 2026 and BladderVol on October 12, 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.*