# StetSAFE vs NexusSphere

The clearest difference is ads: NexusSphere at none against StetSAFE's shown. NexusSphere also leads on update cadence (every 4 days vs every 3 months). StetSAFE's advantage is iOS requirement (13.0 vs 16.6). On price, 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.

StetSAFE ships an update every 3 months, NexusSphere every 4 days. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | StetSAFE | NexusSphere |
| --- | --- | --- |
| 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 4 days** |
| Monetization | Ad-supported | — |
| Size | 49 MB | 62 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [KuartisMed Ltd Sti](https://appshunter.io/developer/598946138) | [KCraft Studio Ltd](https://appshunter.io/developer/1863527320) |

## 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


### NexusSphere

[App page](https://appshunter.io/ios/app/nexussphere/id6759968916)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is StetSAFE free?

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

### Is NexusSphere free?

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

### Do StetSAFE or NexusSphere have ads?

StetSAFE shows ads; NexusSphere does not.

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

StetSAFE ships an update every 3 months, and NexusSphere every 4 days. Most recently, StetSAFE was updated on October 22, 2026 and NexusSphere on October 29, 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.*